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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
DESCRIPTION
The M37735S4BFP is a microcomputer using the 7700 Family core. This microcomputer has a CPU and a bus interface unit. The CPU is a 16-bit parallel processor that can be an 8-bit parallel processor, and the bus interface unit enhances the memory access efficiency to execute instructions fast. This microcomputer also includes a 32 kHz oscillation circuit, in addition to the RAM, multiple-function timers, serial I/O, A-D converter, and so on.
q10-bit A-D converter ..............................................8-channel inputs q12-bit watchdog timer qProgrammable input/output (ports P4, P5, P6, P7, P8) ..............................................................37 qClock generating circuit ........................................ 2 circuits built-in
APPLICATION
Control devices for general commercial equipment such as office automation, office equipment, and so on. Control devices for general industrial equipment such as communication equipment, and so on.
FEATURES
qNumber of basic instructions .................................................. 103 qMemory size RAM ................................................ 2048 bytes qInstruction execution time The fastest instruction at 25 MHz frequency ...................... 160 ns qSingle power supply ...................................................... 5 V 10% qLow power dissipation (at 25 MHz frequency) ............................................ 47.5 mW (Typ.) qInterrupts ............................................................ 19 types, 7 levels qMultiple-function 16-bit timer ................................................. 5 + 3 qSerial I/O (UART or clock synchronous)..........................................3
PIN CONFIGURATION (TOP VIEW)
P84/CTS1/RTS1 P85/CLK1 P86/RXD1 P87/TXD1 P00/CS0 P01/CS1 P02/CS2 P03/CS3 P04/CS4 P05/RSMP P06/A16 P07/A17 P10/A8/D8 P11/A9/D9 P12/A10/D10 P13/A11/D11 P14/A12/D12 P15/A13/D13 P16/A14/D14 P17/A15/D15 P20/A0/D0 P21/A1/D1 P22/A2/D2 P23/A3/D3
51 58
42
64
61
59
56
47
57
62
55
54
46
P83/TXD0 P82/RXD0/CLKS0 P81/CLK0 P80/CTS0/RTS0/CLKS1 VCC AVCC VREF AVSS VSS P77/AN7/XcIN P76/AN6/XcOUT P75/AN5/ADTRG/TXD2 P74/AN4/RXD2 P73/AN3/CLK2 P72/AN2/CTS2 P71/AN1
63
60
53
52
50
49
45
48
44
43
41
65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
M37735S4BFP
P24/A4/D4 P25/A5/D5 P26/A6/D6 P27/A7/D7 P30/WEL P31/WEH P32/ALE P33/HLDA Vss
RDE
XOUT XIN
RESET
CNVSS BYTE
HOLD
12
21
22
10
18 19
17
11
13
14
15
16
20
23
3
6
7
8
P70/AN0 P67/TB2IN/ SUB P66/TB1IN P65/TB0IN P64/INT2 P63/INT1 P62/INT0 P61/TA4IN P60/TA4OUT P57/TA3IN/KI3/RTP13 P56/TA3OUT/KI2/RTP12 P55/TA2IN/KI1/RTP11 P54/TA2OUT/KI0/RTP10 P53/TA1IN/RTP03 P52/TA1OUT/RTP02 P51/TA0IN/RTP01 P50/TA0OUT /RTP00 P47 P46 P45 P44 P43 P42/ 1
RDY
24
1
2
4
5
9
Outline 80P6N-A
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
Reference External data bus width voltage input selection input VREF BYTE
Data Bus(Even) Data Bus(Odd)
Data Buffer DBH(8) Data Buffer DBL(8)
Instruction Register(8)
Instruction Queue Buffer Q0(8)
Address (18)/Data (16)
Instruction Queue Buffer Q2(8)
Address Bus
Incrementer(24)
(0V) AVSS
Program Address Register PA(24) Data Address Register DA(24)
Incrementer/Decrementer(24)
Program Counter PC(16)
(0V) VSS
Program Bank Register PG(8) Data Bank Register DT(8)
UART2(9 )
UART1(9)
UART0(9)
1
RDY HOLD HLDA ALE WEH WEL RDE
CNVss
A-D Converter(10)
Input Butter Register IB(16)
Timer TB2(16)
Timer TB1(16)
Timer TB0(16)
Reset input
RESET
Direct Page Register DPR(16)
Stack Pointer S(16)
Timer TA4(16)
Timer TA3(16)
Timer TA2(16)
Timer TA1(16)
Timer TA0(16)
M37735S4BFP BLOCK DIAGRAM
Index Register X(16) Accumulatcr B(16) Accumulator A(16)
Clock Generating Circuit
2048 bytes
Clock input Clock output XIN XOUT
RAM
Arithmetic Logic Unit(16)
XCOUT XCIN
2
Input/Output port P8
P8(8)
Input/Output port P7
P7(8)
Input/Output port P6
Index Register Y(16)
XCOUT XCIN
P6(8)
Input/Output port P5
Processor Status Register PS(11)
Watchdog Timer
P5(8)
Input/Output port P4
P4(5)
VCC
Address bus/Data bus
Instruction Queue Buffer Q1(8)
AVCC
CS0
CS1 CS2 CS3 CS4 RSMP
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
FUNCTIONS OF M37735S4BFP
Parameter Number of basic instructions Instruction execution time Memory size Input/Output ports Multi-function timers Serial I/O A-D converter Watchdog timer Interrupts Clock generating circuit Supply voltage Power dissipation Input/Output characteristic Memory expansion Operating temperature range Device structure Package Input/Output voltage Output current Functions 103 160ns (the fastest instruction at external clock 25 MHz frequency) 2048 bytes 8-bit ! 4 5-bit ! 1 16-bit ! 5 16-bit ! 3 (UART or clock synchronous serial I/O) ! 3 10-bit ! 1 (8 channels) 12-bit ! 1 3 external types, 16 internal types Each interrupt can be set to the priority level (0 - 7.) 2 circuits built-in (externally connected to a ceramic resonator or a quartz-crystal oscillator) 5 V 10% 47.5 mW (at external clock 25 MHz frequency) 5V 5 mA Maximum 1 Mbytes -20 to 85 C CMOS high-performance silicon gate process 80-pin plastic molded QFP (80P6N-A)
RAM P5 - P8 P4 TA0, TA1, TA2, TA3, TA4 TB0, TB1, TB2
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
PIN DESCRIPTION
Pin Vcc, Vss CNVss _____
RESET
Name Input/Output Power source Apply 5 V 10% to Vcc and 0 V to Vss. CNVss input Reset input Clock input Clock output Read enable output Bus width selection input Input Input Input Output Output Input
Functions
XIN XOUT
____
RDE
BYTE
AVcc, AVss VREF
Analog power source input Reference voltage input ____ P00/CS0 - Chip selection ____ P04/CS4 output _____ P05/RSMP Ready sampling output P06/A16, Address output P07/A17 P10/A8/D8 - Address output P17/A15/D15 /data (high -order) I/O P20/A0/D0 - Address output P27/A7/D7 /data (low -order) I/O ____ P30/WEL Write enable output
____
Connect to Vcc. When "L" level is applied to this pin, the microcomputer enters the reset state. These are pins of main-clock generating circuit. Connect a ceramic resonator or a quartz-crystal oscillator between XIN and XOUT. When an external clock is used, the clock source should be connected to the XIN pin, and the XOUT pin should be left____ open. When data/instruction read is performed, output level of RDE signal is "L". This pin determines whether the external data bus has an 8-bit width or a 16-bit width. The data bus has a 16-bit width when "L" signal is input and an 8-bit width when "H" signal is input. Power source input pin for the A-D converter. Externally connect AVcc to Vcc and AVss to Vss. This is reference voltage input pin for the A-D converter.
____ ____
Input Output Output Output I/O
When the specified external memory area is accessed, CS0 - CS4 signals are "L".
____
The timing signal to be input to the RDY pin is output. An address (A16, A17) is output. When the BYTE pin is set to "L" and external data bus has a 16-bit width, high-order data (D8 - D15) is input/output or an address (A8 - A15) is output. When the BYTE pin is "H" and an external data bus has an 8-bit width, only address (A8 - A15) is output. Low-order data (D0 - D7) is input/output or an address (A0 - A7) is output.
I/O
____
Output
P31/WEH P32/ALE
_____
Write enable high output Address latch enable output
Hold acknowledge output Hold request input Ready input
Output Output Output Input Input Output I/O I/O I/O
P33/HLDA
_____
When the BYTE pin is "L" and writing to an even address is performed, output level of WEL signal is "L". When the BYTE pin is "H" and writing to an even address or an odd address is performed, ____ output level of WEL signal is "L". ____ When the BYTE pin is "L" and writing to an odd address is performed, output level of WEH signal ____ is "L". When the BYTE pin is "H", WEH signal is always "H". This is used to retrieve only the address from the multiplex signal which consists of address and data. This outputs "L" level when the microcomputer enters hold state after a hold request is accepted.
_____
HOLD
____
RDY
This is an input pin for HOLD request signal. The microcomputer enters hold state while this signal is "L". ____ This is an input pin for RDY signal. The microcomputer enters ready state while this signal is "L". This pin outputs the clock 1. These pins become a 5-bit I/O port. An I/O direction register is available so that each pin can be programmed for input or output. These ports are in the input mode when reset. In addition to having the same functions as port P4, ___ ___ also function as I/O pins for timers these pins A0 to A3 and input pins for key input interrupt input (KI0 - KI3). In addition to having the same functions as port ____ these pins also function as I/O pins for timer P4, ____ A4, input pins for external interrupt input (INT0 - INT2) and input pins for timers B0 to B2. P67 also functions as sub-clock SUB output pin. In addition to having the same functions as port P4, these pins function as input pins for A-D converter. P72 to P75 also function as I/O pins for UART2. Additionally, P76 and P77 have the function as the output pin (XCOUT) and the input pin (XCIN) of the sub-clock (32 kHz) oscillation circuit, respectively. When P76 and P77 are used as the XCOUT and XCIN pins, connect a resonator or an oscillator between the both. In addition to having the same functions as port P4, these pins also function as I/O pins for UART 0 and UART 1.
P42/ 1 P43 - P47 P50 - P57 P60 - P67
Clock output I/O port P4 I/O port P5 I/O port P6
P70 - P77
I/O port P7
I/O
P80 - P87
I/O port P8
I/O
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
BASIC FUNCTION BLOCKS
The M37735S4BFP has the same functions as the M37735MHBXXXFP except for the following: (1) The memory map is different. (2) The processor mode is different. (3) The reset circuit is different. (4) Pulse output port mode of timer A is available. (5) The function of ROM area modification is not available. Refer to the section on the M37735MHBXXXFP, except for above (1)-(5).
MEMORY
The memory map is shown in Figure 1. The address space has a capacity of 16 Mbytes and is allocated to addresses from 016 to FFFFFF16. The address space is divided by 64-Kbyte unit called bank. The banks are numbered from 016 to FF16. However, banks 1016-FF16 of the M37735S4BFP cannot be accessed.
Built-in RAM and control registers for internal peripheral devices are assigned to bank 016. Addresses FFD616 to FFFF16 are the RESET and interrupt vector addresses and contain the interrupt vectors. Use ROM for memory of this address. The 2048-byte area allocated to addresses from 8016 to 87F16 is the built-in RAM. In addition to storing data, the RAM is used as stack during a subroutine call or interrupts. Peripheral devices such as I/O ports, A-D converter, serial I/O, timer, and interrupt control registers are allocated to addresses from 016 to 7F16. A 256-byte direct page area can be allocated anywhere in bank 016 by using the direct page register (DPR). In the direct page addressing mode, the memory in the direct page area can be accessed with two words. Hence program steps can be reduced.
00000016 Bank 016 00FFFF16 01000016
00000016 00007F16 00008016
00000016 Internal peripheral devices control registers
refer to Fig. 2 for detail information
Internal RAM 2048 bytes
00007F16
Bank 116 00FFD616 01FFFF16
*******************
Interrupt vector table
A-D/UART2 trans./rece. UART1 transmission UART1 receive UART0 transmission UART0 receive Timer B2 Timer B1 Timer B0 Timer A4 Timer A3 Timer A2
00087F16
FE000016 Bank FE16 FEFFFF16 FF000016 Bank FF16 FFFFFF16 00FFD616 00FFFF16 00FFFE16
Timer A1 Timer A0
INT2/Key input INT1 INT0
Watchdog timer
DBC
BRK instruction Zero divide
RESET
: Internal : External Note. Banks 1016-FF16 cannot be accessed in the M37735S4BFP.
Fig. 1 Memory map
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
Address (Hexadecimal notation) 000000 000001 000002 Port P0 register 000003 Port P1 register 000004 Port P0 direction register 000005 Port P1 direction register 000006 Port P2 register 000007 Port P3 register 000008 Port P2 direction register 000009 Port P3 direction register 00000A Port P4 register 00000B Port P5 register 00000C Port P4 direction register 00000D Port P5 direction register 00000E Port P6 register 00000F Port P7 register 000010 Port P6 direction register 000011 Port P7 direction register 000012 Port P8 register 000013 000014 Port P8 direction register 000015 000016 000017 000018 000019 00001A 00001B 00001C Pulse output data register 1 00001D Pulse output data register 0 00001E A-D control register 0 00001F A-D control register 1 000020 A-D register 0 000021 000022 A-D register 1 000023 000024 A-D register 2 000025 000026 A-D register 3 000027 000028 A-D register 4 000029 00002A A-D register 5 00002B 00002C A-D register 6 00002D 00002E A-D register 7 00002F 000030 UART 0 transmit/receive mode register 000031 UART 0 baud rate register (BRG0) 000032 UART 0 transmission buffer register 000033 000034 UART 0 transmit/receive control register 0 000035 UART 0 transmit/receive control register 1 000036 UART 0 receive buffer register 000037 000038 UART 1 transmit/receive mode register 000039 UART 1 baud rate register (BRG1) 00003A UART 1 transmission buffer register 00003B 00003C UART 1 transmit/receive control register 0 00003D UART 1 transmit/receive control register 1 00003E UART 1 receive buffer register 00003F
Address (Hexadecimal notation) 000040 000041 000042 000043 000044 000045 000046 000047 000048 000049 00004A 00004B 00004C 00004D 00004E 00004F 000050 000051 000052 000053 000054 000055 000056 000057 000058 000059 00005A 00005B 00005C 00005D 00005E 00005F 000060 000061 000062 000063 000064 000065 000066 000067 000068 000069 00006A 00006B 00006C 00006D 00006E 00006F 000070 000071 000072 000073 000074 000075 000076 000077 000078 000079 00007A 00007B 00007C 00007D 00007E 00007F
Count start flag One-shot start flag Up-down flag
Timer A0 register Timer A1 register Timer A2 register Timer A3 register Timer A4 register Timer B0 register Timer B1 register Timer B2 register Timer A0 mode register Timer A1 mode register Timer A2 mode register Timer A3 mode register Timer A4 mode register Timer B0 mode register Timer B1 mode register Timer B2 mode register Processor mode register 0 Processor mode register 1 Watchdog timer register Watchdog timer frequency selection flag Waveform output mode register Reserved area (Note) UART2 transmit/receive mode register UART2 baud rate register (BRG2) UART2 transmission buffer register UART2 transmit/receive control register 0 UART2 transmit/receive control register 1 UART2 receive buffer register Oscillation circuit control register 0 Port function control register Serial transmit control register Oscillation circuit control register 1 A-D/UART2 trans./rece. interrupt control register UART 0 transmission interrupt control register UART 0 receive interrupt control register UART 1 transmission interrupt control register UART 1 receive interrupt control register Timer A0 interrupt control register Timer A1 interrupt control register Timer A2 interrupt control register Timer A3 interrupt control register Timer A4 interrupt control register Timer B0 interrupt control register Timer B1 interrupt control register Timer B2 interrupt control register INT0 interrupt control register INT1 interrupt control register
INT2/Key input interrupt control register
Note. Writing to reserved area is disabled.
Fig. 2 Location of internal peripheral devices and interrupt control registers
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
Pulse output port mode
The pulse motor drive waveform can be output by using plural internal timer A. Figure 3 shows a block diagram for pulse output port mode. In the pulse output port mode, two pairs of four-bit pulse output ports are used. Whether using pulse output port or not can be selected by waveform output selection bit (bit 0, bit 1) of waveform output mode register (6216 address) shown in Figure 4. When bit 0 of waveform output selection bit is set to "1", RTP10, RTP11, RTP12, and RTP13 are used as pulse output ports, and when bit 1 of waveform output selection bit is set to "1", RTP00, RTP01, RTP02, and RTP03 are used as pulse output ports. When bits 1 and 0 of waveform output selection bit are set to"1", RTP10, RTP11, RTP12, and RTP13, and RTP00, RTP01, RTP02, and RTP03 are used as pulse output ports. The ports not used as pulse output ports can be used as normal parallel ports, timer input/output or key input interruput input. In the pulse output port mode, set timers A0 and A2 to timer mode as timers A0 and A2 are used. Figure 5 shows the bit configuration of timer A0, A2 mode registers in pulse output port mode. Data can be set in each bit of the pulse output data register corresponding to four ports selected as pulse output ports. Figure 6
shows the bit configuration of the pulse output data register. The contents of the pulse output data register 1 (low-order four bits of 1C16 address) corresponding to RTP10, RTP11, RTP12, and RTP13 is output to the ports each time the counter of timer A2 becomes 000016. The contents of the pulse output data register 0 (low-order four bits of 1D16 address) corresponding to RTP00, RTP01, RTP02, and RTP03 is output to the ports each time the counter of timer A0 becomes 000016. Figure 7 shows example of waveforms in pulse output port mode. When "0" is written to a specified bit of the pulse output data register,"L" level is output to the corresponding pulse output port when the counter of corresponding timer becomes 000016, and when "1" is written, "H" level is output to the pulse output port. Pulse width modulation can be applied to each pulse output port. Since pulse width modulation involves the use of timers A1 and A3, activate these timers in pulse width modulation mode.
4 Pulse width modulation selection bit (Bit 4, 5 of 6216 address)
5
Pulse width modulation output by timer A3 Pulse width modulation output by timer A1
Timer A2 Pulse output data register 1 (1C16 address) D3 D2 D1 DTQ D D D Q Q Q RTP13 (P57) RTP12 (P56) RTP11 (P55) RTP10 (P54)
Data bus (even)
Data bus (odd)
D0
D11 D10 D9 D8 Pulse output data register 0 (1D16 address) Timer A0
D D D D T
Q Q Q Q
RTP03 (P53) RTP02 (P52) RTP01 (P51) RTP00 (P50)
Polarity selection bit (Bit 3 of 6216 address)
Fig. 3 Block diagram for pulse output port mode
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
RTP10, RTP11, RTP12, and RTP13 are applied pulse width modulation by timer A3 by setting the pulse width modulation selection bit by timer A3 (bit 5) of the waveform output mode register to "1". RTP00, RTP01, RTP02, and RTP03 are applied pulse width modulation by timer A1 by setting the pulse width modulation selection bit by timer A1 (bit 4) of the waveform output mode register to "1". The contents of the pulse output data register 0 can be reversed and output to pulse output ports RTP00, RTP01, RTP02, and RTP03 by the polarity selection bit (bit 3) of the waveform output mode register. When the polarity selection bit is "0", the contents of the pulse output data register 0 is output unchangeably, and when "1", the contents of the pulse output data register 0 is reversed and output. When pulse width modulation is applied, likewise the polarity reverse to pulse width modulation can be selected by the polarity selection bit.
76543210 00X1 00
Address Timer A0 mode register 5616 Timer A2 mode register 5816 Always "100" in pulse output port mode Not used in pulse output port mode Always "00" in pulse output port mode Clock source selection bit 0 0 : Select f2 0 1 : Select f16 1 0 : Select f64 1 1 : Select f512
76543210 0
Fig. 5 Timer A0, A2 mode register bit configuration in pulse output port mode
Address Weveform output mode register 6216 Weveform output selection bit 0 0 : Parallel port 0 1 : RTP1 selected 1 0 : RTP0 selected 1 1 : RTP1 and RTP0 selected Polarity selection bit 0 : Positive polarity 1 : Negative polarity Pulse width modulation selection bit by timer A1 0 : Not modulated 1 : Modulated Pulse width modulation selection bit by timer A3 0 : Not modulated 1 : Modulated Always "0"
76543210
Address Pulse output data register 0 1D16 RTP00 output data RTP01 output data RTP02 output data RTP03 output data
76543210
Address Pulse output data register 1 1C16 RTP10 output data
Fig. 4 Waveform output mode register bit configuration
RTP11 output data RTP12 output data RTP13 output data
Fig. 6 Pulse output data register bit configuration
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
Example of pulse output port (RTP10 - RTP13) Output signal at each time when timer A2 becomes 000016 RTP13(P57)
RTP12(P56)
RTP11(P55)
RTP10(P54)
Example of pulse output port (RTP10 - RTP13) when pulse width modulation is applied by timer A3. Output signal at each time when timer A2 becomes 000016 RTP13(P57)
RTP12(P56)
RTP11(P55)
RTP10(P54)
Example of pulse output port (RTP00 - RTP03) when pulse width modulation is applied by timer A1 with polarity selection bit = "1". Output signal at each time when timer A0 becomes 000016 RTP03(P53)
RTP02(P52)
RTP01(P51)
RTP00(P50)
Fig. 7 Example of waveforms in pulse output port mode
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
PROCESSOR MODE
Only the microprocessor mode can be selected. ___ Figure 9 shows the functions of pins P00/CS 0 -- P47 in the microprocessor mode. Figure 10 shows external memory area for the microprocessor mode. Access to the external memory is affected by the BYTE pin, the wait bit (bit 2 of the processor mode register 0 at address 5E16), and the wait selection bit (bit 0 of the processor mode register 1 at address 5F16) .
* BYTE pin
When accessing the external memory, the level of the BYTE pin is used to determine whether to use the data bus as 8-bit width or 16bit width. The data bus has a width of 8 bits when level of the BYTE pin is "H", and pins P20/A0/D0 -- P27/A7/D7 are the data I/O pins. The data bus has a width of 16 bits when the level of the BYTE pin is "L", and pins P20/A0/D0 -- P27/A7/D7 and pins P10/A8/D8 -- P17/A15/ D15 are the data I/O pins. When accessing the internal memory, the data bus always has a width of 16 bits regardless of the BYTE pin level.
76543210 0 10 Processor mode register 0
Address 5E16
76543210 Processor mode register 1 Wait selection bit 0 : Wait 0 1 : Wait 1
Address 5F16
Must be "10" ("10" after reset) Wait bit 0 : Wait 1 : No wait
Software reset bit Reset occurs when this bit is set to "1"
Interrupt priority detection time selection bit 0 0 : Internal clock ! 7 (cycle) ! 4 (cycle) 0 1 : Internal clock 1 0 : Internal clock ! 2 (cycle)
Must be "0"
Not used
Fig. 8 Processor mode register bit configuration
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
PM1 PM0
Mode
1 0 Microprocessor mode
Pin
RDE RDE
(Note)
RDE, WEL, WEH CS0 to CS4 RSMP, A16, A17
P00/CS0 to P04/CS4 P05/RSMP P06/A16 P07/A17
RDE, WEL, WEH P10/A8/D8 to P17/A15 /D15 RDE, WEL, WEH P10/A8/D8 to P17/A15/D15 RDE, WEL, WEH P20/A0/D0 to P27/A7/D7 RDE, WEL, WEH
CS0 -- CS4 RSMP
Address A16, A17
A8 to A15
Address Data(odd)
BYTE = "L" P10/A8/D8 to P17/A15/D15 BYTE = "H"
Address A8 - A15
BYTE = "L" P20/A0/D0 to P27/A7/D7 BYTE = "H"
A0 to A7
Address Data(even)
P20/A0/D0 to P27/A7/D7
A0 to A7
Address Data (odd,even)
P30/WEL P30/WEL, P31/WEH, P32/ALE, P33/HLDA P31/WEH P32/ALE P33/HLDA
RDE, WEL, WEH
ALE HLDA
WEL WEH
(Note) (Note)
HOLD HOLD, RDY, RDY
HOLD RDY
P42/ 1, Ports P43 to P47
P42/ P43 to P47
___
1
(Note) I/O Port
Fig. 9 Functions of pins P00/CS0 to P47 in microprocessor mode Note. The signal output disable selection bit (bit 6 of the oscillation circuit control register 0) can stop the 1 output in the microprocessor ___ ___ ___ mode. In this mode, signals RDE, WEL, WEH can also be fixed to "H" when the internal memory area is accessed.
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
* Wait bit
As shown in Figure 11, when the external memory area is accessed with the wait bit (bit 2 of the processor mode register 0 at address 5E16) cleared to "0", the access time can be extended compared with no wait (the wait bit is "1"). The access time is extended in two ways and this is selected with the wait selection bit (bit 0 of the processor mode register 1 at address 5F16). When this bit is "1", the access time is 1.5 times compared to that for no wait. When this bit is "0", the access time is twice compared to that for no wait. At reset, the wait bit and the wait selection bit are "0". Access to internal memory area is always performed in the no wait mode regardless of the wait bit. The processor modes are described below. Internal clock
Ai/Di
Address
Data Address Data
Wait bit "1" (No wait)
RDE or WEL, WEH
ALE Access time Ai/Di
Address
Data
Address
Data
Wait bit "0" (Wait 1)
RDE or WEL, WEH
ALE Access time Ai/Di
Address Data Address
Microprocessor mode 0016 SFR 8016 RAM 87F16
Wait bit "0" (Wait 0)
RDE or WEL, WEH
ALE Access time
Fig. 11 Relationship between wait bit, wait selection bit, and access time
(1) Microprocessor mode [10]
The microcomputer enters the microprocessor mode after connecting the CNVss pin to Vcc and starting from reset. ___ ___ Pin RDE is the output pin for the read enable signal (RDE). ___ RDE is "L" during the data read term in the read cycle. When the ___ internal memory area is read, RDE can be fixed to "H" by setting the signal output disabe selection bit (bit 6 of the oscillation circuit control register 0) to "1".
The shaded area is the external memory area. Note that banks 1016 to FF16 cannot be accessed. Fig. 10 External memory area for microprocessor mode
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
___
___
___
CS0 to CS4 are the chip select signals and are "L" when the address
____
RDY is a ready signal. If this signal goes "L", the internal clock
___
shown in Table 2 is accessed. RSMP is the ready-sampling signal ___ which is output for the RDY input described later when the external ____ memory area is accessed. By inputting logical AND of RSMP and ___ ____ CSn (n = 0 to 4) to the RDY pin, read/write term for any address areas can be extended by 1 cycle of clock 1. In addition, the read/write term can also be extended by 2 cycles of clock 1 if the above function and wait 0/1 function specified with the wait bit are used together. Pins P10/A8/D8 -- P17/A15/D15 have two functions depending on the level of the BYTE pin. When the BYTE pin level is "L", pins P10/A8/D8 -- P17/A15/D15 function ___ ___ ___ as address (A8 to A15) output pins while RDE or WEL, WEH are "H" and as odd address data I/O pins while these signals are "L". However, ___ if an internal memory is read, external data is ignored while RDE is "L". When the BYTE pin level is "H", pins P10/A8/D8 -- P17/A15/D15 function as address (A8 to A15) output pins. Pins P20/A0/D0 -- P27/A7/D7 have two functions depending on the level of the BYTE pin. When the BYTE pin level is "L", pins P20/A0/D0 -- P27/A7/D7 function ___ ___ ___ as address (A0 to A7) output pins while RDE or WEL, WEH are "H" and as even address data I/O pins while these signals are "L". However, ___ if an internal memory is read, external data is ignored while RDE is "L". When the BYTE pin level is "H", pins P20/A0/D0 -- P27/A7/D7 function ___ ___ ___ as address (A0 to A7) output pins while RDE or WEL, WEH are "H" and as even and odd address data I/O pins while these signals are "L". However, if an internal memory is read, external data is ignored while ___ RDE is "L". ___ ___ WEL, WEH are the write-enable low signal and the write-enable high signal, respectively. These signals are "L" during the data write term of the write cycle, but their operations differ depending on the BYTE pin level. ___ In the case the BYTE pin level is "L", WEL is "L" when writing to ___ an even address, WEH is "L" when writing to an odd address, and ___ ___ both WEL and WEH are "L" when writing to even and odd addresses. In the case the BYTE pin level is "H", regardless of address, only ___ ___ ___ ___ WEL is "L", and WEH retains "H". WEL and WEH can also be fixed to ___ "H" when the internal memory is accessed, same as RDE, by writing "1" to the signal output disable selection bit. ALE is an address latch enable signal used to latch the address signal from a multiplexed signal of address and data. The latch is transparent while ALE is "H" to let the address signal pass through and held while ALE is "L". ____ HLDA is a hold acknowledge signal and is used to notify externally ____ when the microcomputer receives HOLD input and enters into hold state. ____ HOLD is a hold request signal. It is an input signal used to put the ____ microcomputer in hold state. HOLD input is accepted when the internal clock falls from "H" level to "L" level while the bus is not used. ___ ____ ___ Pins P00/CS0 -- P31/WEH and RDE are floating while the microcomputer ____ stays in hold state. After HLDA signal changes to "L" level and one cycle of internal clock passed, these ports become floating. After ____ HLDA signal changes to "H" level and one cycle of internal clock passed, these ports are released from floating state.
stops at "L". RDY is used when slow external memory is attached. P42/ 1 pin is an output pin for clock 1. The 1 output is ___ independent of RDY and does not stop even when internal clock ___ stops because of "L" input to the RDY pin.
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
As shown in Table 3, 1 output can be stopped with the signal output disable selection bit = "1". In this case, write "1" to the port P42 direction register. Table 1 shows the relationship between the CNVss pin input level and the processor mode.
Table 1. Relationship between CNVss pin input levels and processor mode CNVss Mode Description * Microprocessor Microprocessor mode upon Vcc starting after reset.
Table 2. Relationship between access addresses and chip-select signals CS0 to CS4 Chip-select signal
____
Area The first half of bank 0016 except internal memory area The latter half of bank 0016 except internal memory area and banks 0116 to 0316. Banks 0416 to 0716
Access address Microprocessor mode 00 088016 to 00 7FFF16 00 800016 to 03 FFFF16 04 000016 to 07 FFFF16 08 000016 to 0B FFFF16 0C 000016 to 0F FFFF16
CS0
____
CS1
____
CS2
____
CS3
Banks 0816 to 0B16
____
CS4
Banks 0C16 to 0F16
Table 3. Function of signal output disable selection bit CM6 (bit 6 of oscillation circuit control register 0) Processor mode
___ ___
Pin
___ ___ ___
Function CM6 = "0"
RDE, WEL, WEH are output when the
___ ___ ___
CM6 = "1"
external memory area is accessed. "L" is output after WIT/STP instruction is ___ executed After WIT/STP instruction is executed, RDE Standby state selection bit (bit 0 of port "H" is output. Microprocessor mode function control register) must be set to "1". "H" or "L" is output. (Contents of P42 port latch is output.) Clock 1 is output independent of 1 1 Port P42 direction register must be set to output selection bit. "1". Note. Functions shown in Table 3 cannot be emulated with a debugger. For the oscillation circuit control register 0 and port function control register, refer to Figures 64 and 11 in data sheet "M37735MHBXXXFP", respectively. internal/external memory area is accessed.
RDE, WEL, WEH
RDE, WEL, WEH are output only when the
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
RESET CIRCUIT
_____
The microcomputer is released from the reset state when the RESET pin is returned to "H" level after holding it at "L" level with the power source voltage at 5 V 10%. Program execution starts at the address formed by setting address A23 - A16 to 0016, A15 - A8 to the contents of address FFFF16, and A7 - A0 to the contents of address FFFE16. Figure 13 shows an example of a reset circuit. If the stabilized clock is input from the external to the main-clock oscillation circuit, the reset
input voltage must be 0.9 V or less when the power source voltage reaches 4.5 V. If a resonator/oscillator is connected to the main-clock oscillation circuit, change the reset input voltage from "L" to "H" after the main-clock oscillation is fully stabilized. Figure 12 shows the status of the internal registers during reset.
Address Port P0 direction register Port P1 direction register Port P2 direction register Port P3 direction register Port P4 direction register Port P5 direction register Port P6 direction register Port P7 direction register Port P8 direction register A-D control register 0 A-D control register 1 UART 0 transmit/receive mode register UART 1 transmit/receive mode register UART 0 transmit/receive control register 0 UART 1 transmit/receive control register 0 UART 0 transmit/receive control register 1 UART 1 transmit/receive control register 1 Count start flag One- shot start flag Up-down flag Timer A0 mode register Timer A1 mode register Timer A2 mode register Timer A3 mode register Timer A4 mode register Timer B0 mode register Timer B1 mode register Timer B2 mode register Processor mode register 0 Processor mode register 1 Watchdog timer register
Address
(0416)*** (0516)*** (0816)*** (0916)*** (0C16)*** (0D16)*** (1016)*** (1116)*** (1416)***
0016 0016 0016 0000 0016 0016 0016 0016 0016
Watchdog timer frequency selection flag Waveform output mode register UART2 transmit/receive mode register UART2 transmit/receive control register 0 UART2 transmit/receive control register 1 Oscillation circuit control register 0 Port function control register Serial transmit control register Oscillation circuit control register 1
(6116)*** (6216)*** 0 (6416)*** (6816)*** 000
0 00
00 00000 1000
(6916)*** 0 0 0 0 0 0 1 0 (6C16)*** (6D16)*** (6E16)*** (6F16)*** 0 00000 0016 00 00000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 000000 000000 0000 00 1
(1E16)*** 0 0 0 0 0 ? ? ? (1F16)*** (3016)*** (3816)*** 000 0016 0016 11
A-D/UART2 trans./rece. interrupt control register (7016)*** UART 0 transmission interrupt control register UART 0 receive interruupt control register UART 1 transmission interrupt control register UART 1 receive interruupt control register Timer A0 interrupt control register Timer A1 interrupt control register Timer A2 interrupt control register Timer A3 interrupt control register Timer A4 interrupt control register Timer B0 interrupt control register Timer B1 interrupt control register Timer B2 interrupt control register INT0 interrupt control register INT1 interrupt control register INT2/key input interrupt control register Processor status register (PS) Program bank register (PG) Program counter (PCH) Program counter (PCL)
(7116)*** (7216)*** (7316)*** (7416)*** (7516)*** (7616)*** (7716)*** (7816)*** (7916)*** (7A16)*** (7B16)*** (7C16)*** (7D16)*** (7E16)*** (7F16)***
(3416)*** 0 0 0 0 1 0 0 0 (3C16)*** 0 0 0 0 1 0 0 0 (3516)*** 0 0 0 0 0 0 1 0 (3D16)*** 0 0 0 0 0 0 1 0 (4016)*** (4216)*** (4416)*** (5616)*** (5716)*** (5816)*** (5916)*** (5A16)*** 0016 00000 0016 0016 0016 0016 0016 0016
(5B16)*** 0 0 1 0 0 0 0 0 (5C16)*** 0 0 1 (5D16)*** 0 0 1 (5E16)*** (5F16)*** (6016)*** FFF16 0000 0000 0016 0
0 00??000 1?? 0016 Content of FFFF16 Content of FFFE16 000016 0016
Direct page register (DPR) Data bank register (DT)
Contents of other registers and RAM are undefined during reset. Initialize them by software.
Fig. 12 Microcomputer internal status during reset
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
ADDRESSING MODES
Power on
The M37735S4BFP has 28 powerful addressing modes.Refer to the MITSUBISHI SEMICONDUCTORS DATA BOOK SINGLE-CHIP 16BIT MICROCOMPUTERS for the details of each addressing mode.
VCC
RESET
4.5 V 0V
VCC
MACHINE INSTRUCTION LIST
0.9 V
RESET
0V
The M37735S4BFP has 103 machine instructions. Refer to the MITSUBISHI SEMICONDUCTORS DATA BOOK SINGLE-CHIP 16BIT MICROCOMPUTERS for details.
Note. In this case, stabilized clock is input from the external to the main-clock oscillation circuit. Perform careful evaluation at the system design level before using.
Fig. 13 Example of a reset circuit
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
ABSOLUTE MAXIMUM RATINGS
Symbol Vcc AVcc VI VI Parameter Conditions Power source voltage Analog power_____ voltage source Input voltage RESET, CNVss, BYTE Input voltage P10/A8/D8 - P17/A15/D15, P20/A0/D0 - P27/A7/D7, P43 - P47, P50 - P57,_____ ____ P70 - P77, P60 - P67, P80 - P87, VREF, XIN, HOLD, RDY ___ Output voltage P00/CS0 - P07/A17, P10/A8/D8 - P17/A15/D15, ____ _____ P20/A0/D0 - P27/A7/D7, P30/WEL - P33/HLDA ,P42/ 1, P43 - ____ P50 - P57, P60 - P67, P70 - P77, P80 - P87, P47, XOUT, RDE Power dissipation Ta = 25 C Operating temperature Storage temperature Ratings -0.3 to +7 -0.3 to +7 -0.3 to +12 -0.3 to Vcc + 0.3 Unit V V V V
VO Pd Topr Tstg
-0.3 to Vcc + 0.3 300 -20 to +85 -40 to +150
V mW C C
RECOMMENDED OPERATING CONDITIONS (Vcc = 5 V 10%, Ta = -20 to +85 C, unless otherwise noted)
Symbol Vcc AVcc Vss AVss VIH VIH VIL VIL IOH(peak) Power source voltage Parameter f(XIN) : Operating f(XIN) : Stopped, f(XCIN) = 32.768 kHz Analog power source voltage Power source voltage Analog power source voltage ___ ____ High-level input voltage HOLD, RDY, P43_____ P50 - P57, P60 - P67, P70 - P77, - P47, P80 - P87, XIN, RESET, CNVss, BYTE, XCIN (Note 3) High-level input voltage____ ___ - P17/A15/D15, P20/A0/D0 - P27/A7/D7 P10/A8/D8 Low-level input voltage HOLD, RDY, P43_____ P50 - P57, P60 - P67, P70 - P77, - P47, P80 - P87, XIN, RESET, CNVss, BYTE, XCIN (Note 3) Low-level input voltage P10/A8/D8 -___ P17/A15/D15, P20/A0/D0 - P27/A7/D7 High-level peak output current P00/CS0 - P07/A17, P10/A8/D8 - P17/A15/D15, ____ _____ P20/A0/D0 - P27/A7/D7, P30/WEL - P33/HLDA, P42/ 1, P43 - P47, P50 - P57, P60 - P67, P70 - P77, P80 - P87 ___ High-level average output current P00/CS0 - P07/A17, P10/A8/D8 - P17/A15/D15, ____ _____ P20/A0/D0 - P27/A7/D7, P30/WEL - P33/HLDA, P42/ 1, P43 - P47, P50 - P57, P60 - P67, P70 - P77, P80 - P87 ___ Low-level peak output current P00/CS0 - P07/A17, P10/A8/D8 - P17/A15/D15, ____ _____ P20/A0/D0 - P27/A7/D7, P30/WEL - P33/HLDA, P42/ 1, P43, P54 - P57, P60 - P67, P70 - P77, P80 - P87 Low-level peak output current P44 - P47, P50 - P53 ___ Low-level average output current P00/CS0 - P07/A17, P10/A8/D8 - P17/A15/D15, ____ _____ P20/A0/D0 - P27/A7/D7, P30/WEL - P33/HLDA, P42/ 1, P43, P54 - P57,P60 - P67, P70 - P77, P80 - P87 Low-level average output current P44 - P47, P50 - P53 Main-clock oscillation frequency (Note 4) Sub-clock oscillation frequency Min. 4.5 2.7 Limits Typ. 5.0 Vcc 0 0 0.8 Vcc 0.5 Vcc 0 0 Vcc Vcc 0.2Vcc 0.16Vcc -10 Max. 5.5 5.5 Unit V V V V V V V V mA
IOH(avg)
-5
mA
IOL(peak)
10 20 5
mA mA mA
IOL(peak) IOL(avg) IOL(avg) f(XIN) f(XCIN)
32.768
15 25 50
mA MHz kHz
Notes 1. Average output current is the average value of a 100 ms interval. ___ ____ _____ 2. The sum of IOL(peak) for ports P00/CS0 - P07/A17, P10/A8/D8 - P17/A15/D15, P20/A0/D0 - P27/A7/D7, P30/WEL - P33/HLDA and P8 must ___ ____ be 80 mA or less, the sum of IOH(peak) for ports P00/CS0 - P07/A17, P10/A8/D8 - P17/A15/D15, P20/A0/D0 - P27/A7/D7, P30/WEL - P33/ _____ HLDA and P8 must be 80 mA or less, the sum of IOL(peak) for ports P4, P5, P6, and P7 must be 100 mA or less, and the sum of IOH(peak) for ports P4, P5, P6, and P7 must be 80 mA or less. 3. Limits VIH and VIL for XCIN are applied when the sub clock external input selection bit = "1". 4. The maximum value of f(XIN) = 12.5 MHz when the main clock division selection bit = "1".
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
ELECTRICAL CHARACTERISTICS (Vcc = 5 V, Vss = 0 V, Ta = -20 to +85 C, f(XIN) = 25 MHz, unless otherwise noted)
Symbol Parameter
___
Test conditions
Min. 3
Limits Typ.
Max.
Unit
VOH
VOH VOH VOH
High-level output voltage P00/CS0 - P07/A17, P10/A8/D8 - P17/A15/D15, _____ P20/A0/D0 - P27/A7/D7, P33/HLDA, P42/ 1, P43 - P47, P50 - P57, P60 - P67, P70 - P77, P80 - P87 ___ High-level output voltage P00/CS0 - P07/A17, P10/A8/D8 - P17/A15/D15, _____ P20/A0/D0 - P27/A7/D7, P33/HLDA, P42/ 1
____ ____
IOH = -10 mA
V
IOH = -400
A
4.7 3.1 4.8 3.4 4.8 2
V V V
High-level output voltage P30/WEL, P31/WEH, P32/ALE
____
High-level output voltage RDE
___
IOH = -10 mA IOH = -400 A IOH = -10 mA IOH = -400 A IOL = 10 mA
VOL
VOL VOL VOL VOL VT+ - VT- VT+ - VT- VT+ - VT- VT+ - VT- IIH
Low-level output voltage P00/CS0 - P07/A17, P10/A8/D8 - P17/A15/D15, _____ P20/A0/D0 - P27/A7/D7, P33/HLDA, P42/ 1, P43, P54 - P57, P60 - P67, P70 - P77, P80 - P87 Low-level output voltage P44 - P47, P50 - P53 ___ Low-level output voltage P00/CS0 - P07/A17, P10/A8/D8 - P17/A15/D15, _____ P20/A0/D0 - P27/A7/D7, P33/HLDA, P42/ 1
____ ____
V V V V V V V V V A
IOL = 20 mA IOL = 2 mA IOL = 10 mA IOL = 2 mA IOL = 10 mA IOL = 2 mA 0.4 0.2 0.1 0.1 VI = 5 V
2 0.45 1.9 0.43 1.6 0.4 1 0.5 0.4 0.4 5
Low-level output voltage P30/WEL, P31/WEH, P32/ALE
____
Low-level output voltage RDE
____ ___
IIL
Hysteresis ____ ____ _____ - TA4IN, TB0IN - TB2IN, HOLD, RDY, TA0IN ____ ____ ____ INT0 - INT2, ADTRG,___ CTS0, CTS1, CTS2, CLK0, ___ CLK1, CLK2, KI0 - KI3 _____ Hysteresis RESET Hysteresis XIN Hysteresis XCIN (When external clock is input) High-level input current P10/A8/D8 - P17/A15/D15, P20/A0/D0 - P27/A7/D7, P43 - P47, P50 - P57, P60 _____P70 - P77, - P67, P80 - P87, XIN, RESET, CNVss, BYTE Low-level input current P10/A8/D8 - P17/A15/D15, P20/A0/D0 - P27/A7/D7, P43 - P47, P50 - P53, P60,_____ - P67, P70 - P77, P61, P65 P80 - P87, XIN, RESET, CNVss, BYTE
VI = 0 V
-5
A
IIL
Low-level input current P54 - P57, P62 - P64
VRAM
RAM hold voltage
VI = 0 V, without a pull-up transistor VI = 0 V, with a pull-up transistor When clock is stopped.
-5
A
-0.25 2
-0.5
-1.0
mA V
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
ELECTRICAL CHARACTERISTICS (Vcc = 5 V, Vss = 0 V, Ta = -20 to +85 C, unless otherwise noted)
Symbol Parameter Test conditions VCC = 5 V, f(XIN) = 25 MHz (square waveform), (f(f2) = 12.5 MHz), f(XCIN) = 32.768 kHz, in operating (Note 1) VCC = 5 V, f(XIN) = 25 MHz (square waveform), (f(f2) = 1.5625 MHz), f(XCIN): Stopped in operating (Note 1) When external bus VCC = 5 V, f(XIN) = 25 MHz (square waveform), is in use, output pins are open, and f(XCIN) = 32.768 kHz, other pins are VSS. when a WIT instruction is executed (Note 2) VCC = 5 V, f(XIN) : Stopped, f(XCIN) = 32.768 kHz, in operating (Note 3) VCC = 5 V, f(XIN) : Stopped, f(XCIN) = 32.768 kHz, when a WIT instruction is executed (Note 4) Ta = 25 C, when clock is stopped Ta = 85 C, when clock is stopped Min. Limits Typ. Max. Unit
11.4
22.8
mA
1.6
3.2
mA
ICC
Power source current
10
20
A
60
120
A
5
10
A
1 20
A A
Notes 1. This applies when the main clock external input selection bit = "1", the main clock division selection bit = "0", and the signal output stop bit = "1". 2. This applies when the main clock external input selection bit = "1" and the system clock stop bit at wait state = "1". 3. This applies when CPU and the clock timer are operating with the sub clock (32.768 kHz) selected as the system clock. 4. This applies when the XCOUT drivability selection bit = "0" and the system clock stop bit at wait state = "1".
A-D CONVERTER CHARACTERISTICS
(VCC = AVCC = 5 V, VSS = AVSS = 0 V, Ta = -20 to +85 C, f(XIN) = 25 MHz, unless otherwise noted (Note)) Symbol -- -- RLADDER tCONV VREF VIA Parameter Resolution Absolute accuracy Ladder resistance Conversion time Reference voltage Analog input voltage Test conditions VREF = VCC VREF = VCC VREF = VCC Min. Limits Typ. Max. 10 3 25 VCC VREF Unit Bits LSB k s V V
10 9.44 2 0
Note. This applies when the main clock division selection bit = "0" and f(f2) = 12.5 MHz.
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
TIMING REQUIREMENTS (VCC = 5 V 10%, VSS = 0 V, Ta = -20 to +85 C, f(XIN) = 25 MHz, unless otherwise noted (Note 1))
Notes 1. This applies when the main clock division selection bit = "0" and f(f2) = 12.5 MHZ. 2. Input signal's rise/fall time must be 100 ns or less, unless otherwise noted.
External clock input
Symbol tc tw(H) tw(L) tr tf Parameter External clock input cycle time (Note 1) External clock input high-level pulse width (Note 2) External clock input low-level pulse width (Note 2) External clock rise time External clock fall time Limits Min. 40 15 15 Max. Unit ns ns ns ns ns
8 8
Notes 1. When the main clock division selection bit = "1", the minimum value of tc = 80 ns. 2. When the main clock division selection bit = "1", values of tw(H) / tc and tw(L) / tc must be set to values from 0.45 through 0.55.
Microprocessor mode
Symbol tsu(P4D-RDE) tsu(P5D-RDE) tsu(P6D-RDE) tsu(P7D-RDE) tsu(P8D-RDE) th(RDE-P4D) th(RDE-P5D) th(RDE-P6D) th(RDE-P7D) th(RDE-P8D) Port P4 input setup time Port P5 input setup time Port P6 input setup time Port P7 input setup time Port P8 input setup time Port P4 input hold time Port P5 input hold time Port P6 input hold time Port P7 input hold time Port P8 input hold time Parameter Limits Min. 60 60 60 60 60 0 0 0 0 0 Max. Unit ns ns ns ns ns ns ns ns ns ns
Microprocessor mode
Symbol tsu(D-RDE) tsu(RDY- 1) tsu(HOLD- 1) th(RDE-D) th( 1-RDY) th( 1-HOLD) Data input setup time ___ RDY input setup time ____ HOLD input setup time Data input hold time ___ RDY input hold time ____ HOLD input hold time Parameter Limits Min. 32 55 55 0 0 0 Max. Unit ns ns ns ns ns ns
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
Timer A input
Symbol tc(TA) tw(TAH) tw(TAL)
(Count input in event counter mode) Parameter Limits Min. 80 40 40 Max. Unit ns ns ns
TAiIN input cycle time TAiIN input high-level pulse width TAiIN input low-level pulse width
Timer A input (Gating input in timer mode)
Symbol tc(TA) tw(TAH) tw(TAL) TAiIN input cycle time (Note) TAiIN input high-level pulse width (Note) TAiIN input low-level pulse width (Note) Parameter Limits Min. 320 160 160 Max. Unit ns ns ns
Note. Limits change depending on f(XIN). Refer to "DATA FORMULAS".
Timer A input (External trigger input in one-shot pulse mode)
Symbol tc(TA) tw(TAH) tw(TAL) TAiIN input cycle time (Note) TAiIN input high-level pulse width TAiIN input low-level pulse width Parameter Limits Min. 320 80 80 Max. Unit ns ns ns
Note. Limits change depending on f(XIN). Refer to "DATA FORMULAS".
Timer A input (External trigger input in pulse width modulation mode)
Symbol tw(TAH) tw(TAL) TAiIN input high-level pulse width TAiIN input low-level pulse width Parameter Limits Min. 80 80 Max. Unit ns ns
Timer A input (Up-down input in event counter mode)
Symbol tc(UP) tw(UPH) tw(UPL) tsu(UP-TIN) th(TIN-UP) TAiOUT input cycle time TAiOUT input high-level pulse width TAiOUT input low-level pulse width TAiOUT input setup time TAiOUT input hold time Parameter Limits Min. 2000 1000 1000 400 400 Max. Unit ns ns ns ns ns
Timer A input (Two-phase pulse input in event counter mode)
Symbol tc(TA) tsu(TAjIN-TAjOUT) tsu(TAjOUT-TAjIN) TAjIN input cycle time TAjIN input setup time TAjOUT input setup time Parameter Limits Min. 800 200 200 Max. Unit ns ns ns
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IM REL
I
Y NAR
MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
Timer B input (Count input in event counter mode)
Symbol tc(TB) tw(TBH) tw(TBL) tc(TB) tw(TBH) tw(TBL) Parameter TBiIN input cycle time (one edge count) TBiIN input high-level pulse width (one edge count) TBiIN input low-level pulse width (one edge count) TBiIN input cycle time (both edges count) TBiIN input high-level pulse width (both edges count) TBiIN input low-level pulse width (both edges count) Limits Min. 80 40 40 160 80 80 Max. Unit ns ns ns ns ns ns
Timer B input (Pulse period measurement mode)
Symbol tc(TB) tw(TBH) tw(TBL) TBiIN input cycle time (Note) TBiIN input high-level pulse width (Note) TBiIN input low-level pulse width (Note) Parameter Limits Min. 320 160 160 Max. Unit ns ns ns
Note. Limits change depending on f(XIN). Refer to "DATA FORMULAS".
Timer B input (Pulse width measurement mode)
Symbol tc(TB) tw(TBH) tw(TBL) Parameter Limits Min. 320 160 160 Max. Unit ns ns ns TBiIN input cycle time (Note) TBiIN input high-level pulse width (Note) TBiIN input low-level pulse width (Note) Note. Limits change depending on f(XIN). Refer to "DATA FORMULAS".
A-D trigger input
Symbol
_____
Parameter
ADTRG input cycle time (minimum allowable trigger) _____ ADTRG input low-level pulse width
Limits Min. 1000 125 Max.
Unit ns ns
tc(AD) tw(ADL)
Serial I/O
Symbol tc(CK) tw(CKH) tw(CKL) td(C-Q) th(C-Q) tsu(D-C) th(C-D) CLKi input cycle time CLKi input high-level pulse width CLKi input low-level pulse width TXDi output delay time TXDi hold time RXDi input setup time RXDi input hold time
____ ___
Parameter
Limits Min. 200 100 100 0 30 90 Max.
Unit ns ns ns ns ns ns ns
80
External interrupt INTi input, key input interrupt KIi input
Symbol
____
Parameter
____ ___
Limits Min. 250 250 250 Max.
Unit ns ns ns
tw(INH) tw(INL) tw(KIL)
INTi input high-level pulse width INTi input low-level pulse width KIi input low-level pulse width
22
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I LIM E
Y NAR
MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
DATA FORMULAS Timer A input (Gating input in timer mode)
Symbol tc(TA) tw(TAH) tw(TAL) TAiIN input cycle time TAiIN input high-level pulse width TAiIN input low-level pulse width Parameter Limits Min. 8 ! 109 2 * f(f2) 4 ! 109 2 * f(f2) 4 ! 109 2 * f(f2) Max. Unit ns ns ns
Timer A input (External trigger input in one-shot pulse mode)
Symbol tc(TA) TAiIN input cycle time Parameter Limits Min. 8 ! 109 2 * f(f2) Max. Unit ns
Timer B input (In pulse period measurement mode or pulse width measurement mode)
Symbol tc(TB) tw(TBH) tw(TBL) TBiIN input cycle time TBiIN input high-level pulse width TBiIN input low-level pulse width Parameter Limits Min. 8 ! 109 2 * f(f2) 4 ! 109 2 * f(f2) 4 ! 109 2 * f(f2) Max. Unit ns ns ns
Note. f(f2) represents the clock f2 frequency. For the relation to the main clock and sub clock, refer to Table 10 in data sheet "M37735MHBXXXFP".
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Y NAR
MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
SWITCHING CHARACTERISTICS
(VCC = 5 V 10%, VSS = 0 V, Ta = -20 to +85C, f(XIN) = 25 MHz, unless otherwise noted (Note))
Microprocessor mode
Symbol td(WE-P4Q) td(WE-P5Q) td(WE-P6Q) td(WE-P7Q) td(WE-P8Q) Parameter Port P4 data output delay time Port P5 data output delay time Port P6 data output delay time Port P7 data output delay time Port P8 data output delay time Test conditions Limits Min. Max. 80 80 80 80 80 Unit ns ns ns ns ns
Fig. 14
Note. This applies when the main clock division selection bit = "0" and f(f2) = 12.5 MHz.
CS0 - CS4 RSMP
A16, A17 A0/D0 - A15/D15
WEL WEH
50 pF
ALE
HLDA
P4 P5 P6 P7 P8
1 RDE
Fig. 14 Measuring circuit for each pin
24
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Y NAR
MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
Microprocessor mode
(VCC = 5 V 10%, VSS = 0 V, Ta = -20 to +85 C, f(XIN) = 25 MHz, unless otherwise noted (Note 1)) Symbol td(CS-WE) td(CS-RDE) th(WE-CS) th(RDE-CS) td(An-WE) td(An-RDE) td(A-WE) td(A-RDE) th(WE-An) th(RDE-An) tw(ALE) Chip-select output delay time Parameter Test (Note 2) Wait mode conditions No wait Wait 1 Wait 0 Limits Min. 12 87 4 No wait Wait 1 Wait 0 No wait Wait 1 Wait 0 12 87 12 75 18 No wait Wait 1 Wait 0 No wait Wait 1 Wait 0 No wait Wait 1 Wait 0 No wait Wait 1 Wait 0 22 57 Fig. 14 5 45 9 15 4 10 45 No wait Wait 1 Wait 0 18 50 130 5 No wait Wait 1 Wait 0 20 48 128 10 0 0 18 50 Max. Unit ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns
Chip-select hold time Address output delay time
Address output delay time Address hold time ALE pulse width
tsu(A-ALE)
Address output setup time
th(ALE-A)
Address hold time
td(ALE-WE) td(ALE-RDE) td(WE-DQ) th(WE-DQ) tw(WE) tpxz(RDE-DZ) tpzx(RDE-DZ) tw(RDE) td(RSMP-WE) td(RSMP-RDE) th( 1-RSMP) td(WE- 1) td(RDE- 1) td( 1-HLDA)
ALE output delay time Data output delay time Data hold time
___ ___
WEL/WEH pulse width
Floating start delay time Floating release delay time
___
RDE pulse width
____
RSMP output delay time
____
RSMP hold time
1
output delay time
____
HLDA output delay time
Notes 1. This applies when the main clock division selection bit = "0" and f(f2) = 12.5 MHz. 2. No wait : Wait bit = "1". Wait 1 : The external memory area is accessed with wait bit = "0" and wait selection bit = "1". Wait 0 : The external memory area is accessed with wait bit = "0" and wait selection bit = "0".
25
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I LIM E
Y NAR
MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
Microprocessor mode Bus timing data formulas (VCC = 5 V 10%, VSS = 0 V, Ta = -20 to +85 C, f(XIN) = 25 MHz (Max.), unless otherwise noted (Note1))
Symbol td(CS-WE) td(CS-RDE) th(WE-CS) th(RDE-CS) td(An-WE) td(An-RDE) Parameter Wait mode No wait Wait 1 Wait 0 Chip-select hold time No wait Wait 1 Wait 0 No wait Wait 1 Wait 0 Address hold time No wait Wait 1 Wait 0 No wait Wait 1 Wait 0 No wait Wait 1 Wait 0 td(ALE-WE) td(ALE-RDE) td(WE-DQ) th(WE-DQ) No wait Wait 1 Wait 0 Data output delay time Data hold time
___ ___
Chip-select output delay time
Limits Min. 1 ! 109 -28 2 * f(f2) 9 3 ! 10 - 33 2 * f(f2) 4 1 ! 109 2 * f(f2) 3 ! 109 2 * f(f2) 1 ! 109 2 * f(f2) 3 ! 109 2 * f(f2) 1 ! 109 2 * f(f2) 1 ! 109 2 * f(f2) 2 ! 109 2 * f(f2) 1 ! 109 2 * f(f2) 2 ! 109 2* f(f2) 9 1 ! 10 2 * f(f2)
9
Max.
Unit ns ns ns
- 28 - 33 - 28 - 45 - 22 - 18 - 23 - 35 - 35
ns ns ns ns ns ns ns ns ns ns
Address output delay time
td(A-WE) td(A-RDE) th(WE-An) th(RDE-An) tw(ALE)
Address output delay time
ALE pulse width
tsu(A-ALE)
Address output setup time
th(ALE-A)
Address hold time
- 25
ns ns
4 1 ! 10 2 * f(f2)
9
ALE output delay time
- 30 45
ns ns ns ns ns 5 ns ns ns ns ns ns 18 ns
No wait Wait 1 Wait 0
tw(WE) tpxz(RDE-DZ) tpzx(RDE-DZ)
WEL/WEH pulse width
1 ! 109 2 * f(f2) 2 ! 109 2 * f(f2) 4 ! 109 2 * f(f2) 1 ! 109 2 * f(f2) 2 ! 109 2 * f(f2) 4 ! 109 2 * f(f2) 1 ! 109 2 * f(f2) 0 0
- 22 - 30 - 30
Floating start delay time Floating release delay time
___
- 20 - 32 - 32 - 30
No wait Wait 1 Wait 0
tw(RDE) td(RSMP-WE) td(RSMP-RDE) th( 1-RSMP) td(WE- 1) td(RDE- 1)
RDE pulse width
____
RSMP output delay time
____
RSMP hold time
1
output delay time
Notes 1. This applies when the main clock division selection bit = "0". 2. f(f2) represents the clock f2 frequency. For the relation to the main clock and sub clock, refer to Table 10 in data sheet "M37735MHBXXXFP".
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
TIMING DIAGRAM
tr tf tc tw(H) tw(L)
XIN
RDE, WEL, WEH
td(WE-P4Q)
Port P4 output
tsu(P4D-RDE)
Port P4 input
th(RDE-P4D)
td(WE-P5Q)
Port P5 output
tsu(P5D-RDE)
Port P5 input
th(RDE-P5D)
td(WE-P6Q)
Port P6 output
tsu(P6D-RDE)
Port P6 input
th(RDE-P6D)
td(WE-P7Q)
Port P7 output
tsu(P7D-RDE)
Port P7 input
th(RDE-P7D) td(WE-P8Q)
Port P8 output
tsu(P8D-RDE)
Port P8 input
th(RDE-P8D)
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Y NAR
MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
tc(TA) tw(TAH) TAiIN input
tw(TAL)
tc(UP) tw(UPH) TAiOUT input tw(UPL)
In event count mode
TAiOUT input (Up-down input) TAiIN input (when count by falling) TAiIN input (when count by rising)
th(TIN-UP)
tsu(UP-TIN)
In event counter mode (When two-phase pulse input is selected) TAjIN input
tsu(TAjIN-TAjOUT)
tc(TA)
tsu(TAjIN-TAjOUT) tsu(TAjOUT-TAjIN)
TAjOUT input
tsu(TAjOUT-TAjIN)
tc(TB) tw(TBH) TBiIN input tw(TBL)
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Y NAR
MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
tc(AD) tw(ADL)
ADTRG input
tc(CK) tw(CKH) CLKi
tw(CKL)
th(C-Q) TxDi td(C-Q) RxDi tsu(D-C) th(C-D)
tw(INL)
INTi input Kli input
tw(INH) tw(KNL)
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IM REL
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
Microprocessor mode (When wait bit = "1")
1
WEL WEH RDE
RDY input
tsu(RDY-
1)
th(
1-RDY)
(When wait bit = "0")
1
WEL WEH RDE
RDY input
tsu(RDY-
1)
th(
1-RDY)
(When wait bit = "1" or "0" in common)
1
tsu(HOLD-
HOLD input
1)
th(
1-HOLD)
td(
HLDA output
1-HLDA)
td(
1-HLDA)
Test conditions * VCC = 5 V 10% * Input timing voltage : VIL = 1.0 V, VIH = 4.0 V * Output timing voltage : VOL = 0.8 V, VOH = 2.0 V
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Y NAR
MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
Microprocessor mode (No wait : When wait bit = "1")
tw(L)
tw(H)
tf
tr
tc
XIN
1
td(WE-
1)
td(WE-
1)
td(RDE-
1)
td(RDE-
1)
CS0 - CS4 td(CS-WE) th(WE-CS) td(CS-RDE) th(RDE-CS)
An
td(An-WE) tw(ALE)
Address
td(An-RDE) td(ALE-WE) th(WE-An)
Address
Address
th(RDE-An)
ALE
th(ALE-A) tsu(A-ALE) th(WE-DQ) tpxz(RDE-DZ) tpzx(RDE-DZ) td(ALE-RDE)
Am/Dm
Address
Data
Address
td(A-RDE)
Address
td(WE-DQ) td(A-WE) tw(WE) WEL, WEH
th(RDE-D) tsu(D-RDE)
DmIN
Data
tw(RDE)
RDE th( td(RSMP-WE)
1-RSMP)
td(RSMP-RDE)
RSMP
Test condition * Vcc = 5 V 10% * Output timing voltage : VOL = 0.8 V, VOH = 2.0 V * Data input DmIN : VIL = 0.8 V, VIH = 2.5 V
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I LIM E
Y NAR
MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
Microprocessor mode (Wait 1 : The external area is accessed when wait bit = "0" and wait selection bit = "1".)
tw(L) XIN
tw(H)
tf tr
tc
1
td(WE-
CS0 - CS4
1)
td(WE-
1)
td(RDE- td(RDE1)
1)
th(WE-CS) td(CS-RDE) td(CS-WE) An td(An-WE) tw(ALE) ALE th(ALE-A) tsu(A-ALE) Am/Dm Address Data td(ALE-RDE) th(WE-DQ) tpxz(RDE-DZ) tpzx(RDE-DZ) Address Address Address td(An-RDE) td(ALE-WE) th(WE-An) Address th(RDE-An) th(RDE-CS)
Address
td(A-WE)
td(WE-DQ) tw(WE)
td(A-RDE)
WEL, WEH
th(RDE-D) tsu(D-RDE) Data
DmIN
tw(RDE)
RDE
th(
RSMP
1-RSMP)
td(RSMP-WE)
td(RSMP-RDE)
Test condition * Vcc = 5 V 10% * Output timing voltage : VOL = 0.8 V, VOH = 2.0 V * Data input DmIN : VIL = 0.8 V, VIH = 2.5 V
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I LIM E
Y NAR
MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
Microprocessor mode (Wait 0 : The external memory are is accessed when wait bit = "0" and wait selection bit = "0".)
tw(L) XIN
tw(H)
tf tr
tc
1
td(WE-
1)
td(WE-
1)
td(RDE-
1)
td(RDE-
1)
CS0 - CS4
td(CS-WE)
th(WE-CS)
td(CS-RDE) th(RDE-CS)
An td(An-WE) tw(ALE) ALE
Address td(An-RDE) td(ALE-WE) th(WE-An)
Address
Address
th(RDE-An)
td(ALE-RDE) tsu(A-ALE)
th(ALE-A)
th(WE-DQ) Address td(A-RDE)
tpxz(RDE-DZ)
tpzx(RDE-DZ) Address
Am/Dm
Address td(A-WE)
Data td(WE-DQ)
tw(WE)
WEL, WEH
tsu(D-RDE) Data
th(RDE-D)
DmIN
tw(RDE)
RDE
td(RSMP-WE)
RSMP
th(
1-RSMP)
td(RSMP-RDE)
Test conditions * Vcc = 5 V 10% * Output timing voltage : VOL = 0.8 V, VOH = 2.0 V * Data input DmIN : VIL = 0.8 V, VIH = 2.5 V
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IM REL
I
Y NAR
MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
PACKAGE OUTLINE
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IM REL
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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
MEMO
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I LIM E
Y NAR
MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
Keep safety first in your circuit designs!
* Mitsubishi Electric Corporation puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. Trouble with semiconductors may lead to personal injury, fire or property damage. Remember to give due consideration to safety when making your circuit designs, with appropriate measures such as (i) placement of substitutive, auxiliary circuits, (ii) use of non-flammable material or (iii) prevention against any malfunction or mishap.
Notes regarding these materials
* * * These materials are intended as a reference to assist our customers in the selection of the Mitsubishi semiconductor product best suited to the customer's application; they do not convey any license under any intellectual property rights, or any other rights, belonging to Mitsubishi Electric Corporation or a third party. Mitsubishi Electric Corporation assumes no responsibility for any damage, or infringement of any third-party's rights, originating in the use of any product data, diagrams, charts or circuit application examples contained in these materials. All information contained in these materials, including product data, diagrams and charts, represent information on products at the time of publication of these materials, and are subject to change by Mitsubishi Electric Corporation without notice due to product improvements or other reasons. It is therefore recommended that customers contact Mitsubishi Electric Corporation or an authorized Mitsubishi Semiconductor product distributor for the latest product information before purchasing a product listed herein. Mitsubishi Electric Corporation semiconductors are not designed or manufactured for use in a device or system that is used under circumstances in which human life is potentially at stake. Please contact Mitsubishi Electric Corporation or an authorized Mitsubishi Semiconductor product distributor when considering the use of a product contained herein for any specific purposes, such as apparatus or systems for transportation, vehicular, medical, aerospace, nuclear, or undersea repeater use. The prior written approval of Mitsubishi Electric Corporation is necessary to reprint or reproduce in whole or in part these materials. If these products or technologies are subject to the Japanese export control restrictions, they must be exported under a license from the Japanese government and cannot be imported into a country other than the approved destination. Any diversion or reexport contrary to the export control laws and regulations of Japan and/or the country of destination is prohibited. Please contact Mitsubishi Electric Corporation or an authorized Mitsubishi Semiconductor product distributor for further details on these materials or the products contained therein.
*
* *
*
(c) 1996 MITSUBISHI ELECTRIC CORP. H-LF426-A KI-9606 Printed in Japan (ROD) New publication, effective Jun. 1996. Specifications subject to change without notice.

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