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RDC(R)
R8830I
RISC DSP Communication
16-BIT RISC MICROCONTROLLER
16-BIT RISC MICROCONTROLLER
R8830I Brief Sheet
Specifications subject to change without notice, contact your sales representatives for the most update information. Page 1 of 5 REV 1.0 Mar. 23 2007
RDC(R)
1. Features
l CPU Core
R8830I
RISC DSP Communication
16-BIT RISC MICROCONTROLLER
- RDC's proprietary RISC architecture - Five-stage pipeline - CPU Clock speed: 20/25/33 MHz - Supports CPU ID - Supports 32 PIO pins l Bus interface - Multiplexed address and data bus which is compatible with the 80C188 microprocessor - Supports a non-multiplexed address bus A[19:0] l ROM/RAM Controller and Addressing Space - 1M-byte memory address space - 64K-byte I/O space l PSRAM Interface - PSRAM (Pseudo Static RAM) interface with auto-refresh control l Compatible UART Channels - UART speed : maximum baud rate up to 115.2Kbps l Two Independent DMA Channels - Supports serial ports with DMA transfers l Asynchronous Serial Channels - Supports two asynchronous serial channels with hardware handshaking signals
l
Interrupt Controller - The Interrupt controller with seven maskable external interrupts and one non-maskable external interrupt
l
Programmable Chip-select Logic - Programmable chip-select logic for memory or I/O bus cycle decoder
l l
Programmable Wait-state Generator Counter/Timers - Three independent 16-bit timers and one independent watchdog timer
l
Software Compatible with the 80C186 Microprocessor
l
Operating Voltage Range - Core voltage: 5V 10% - I/O voltage: 5V 10%
l l l
Ambient temperature: - 40 ~ +85C Power Save and Power Down Mode Support Package Type -100 Pin PQFP & 100 Pin LQFP
Specifications subject to change without notice, contact your sales representatives for the most update information. Page 2 of 5 REV 1.0 Mar. 23 2007
RDC(R)
R8830I
RISC DSP Communication
16-BIT RISC MICROCONTROLLER
2. Block Diagram
INT2/INTA0_n INT1/SELECT_n CLKOUTA INT3/INTA1_n/IRQ CLKOUTB INT6~4 INT0 NMI TMROUT0 TMROUT1 TMRIN0 TMRIN1 DRQ0 DRQ1
X1
VCC GND
X2 Clock and Power Management
Interrupt Control Unit
Timer Control Unit
DMA Unit
RST_n
LCS_n/ONCE0_n MCS3_n/RFSH_n MCS[2:0] UCS_n/ONCE1_n PCS3_n~PCS0_n PCS5_n/A1 PCS6_n/A2
Chip Select Unit PSRAM Control Unit
Instruction Queue (64bits) Instruction Decoder
Control Signal
Micro ROM
PIO Unit
PIO[31:0]
ARDY SRDY S2_n~S0_n DT/R_n DEN_n
Refresh Control Unit
Register File General, Segment, Eflag Register
EA / LA Address Asynchronous Serial Port0
RTS0_n/RTR0_n CTS0_n/ENRX0_n TXD0 RXD0 RTS1_n/RTR1_n
HOLD HLDA S6/CLKDIV2_n UZI_n
Bus Interface Unit
ALU
(Special, Logic, Adder, BSF)
Execution Unit
Asynchronous Serial Port1
CTS1_n/ENRX1_n TXD1 RXD1
A[19:0] AD[7:0]
RD_n WB_n WR_n
ALE AO[15:8] RFSH2_n/ADEN_n
Specifications subject to change without notice, contact your sales representatives for the most update information. Page 3 of 5 REV 1.0 Mar. 23 2007
RDC(R)
3.
R8830I
RISC DSP Communication
16-BIT RISC MICROCONTROLLER
Package Information
D 23.20 0.20 0.10
PQFP 100 pins
D1 20.00 "A"
0.10 E1 14.00 SEATING PLANE "A" 0.65 BSC
E
17.20
0.20
0.10
c 0.25~0.38
3.40 Max.
DETAIL A
1.60 REF L1 A2 2.85 0.12 L 0.88 0.15 0.25 DETAIL A
15 TYP
7 TYP
UNIT:mm
Specifications subject to change without notice, contact your sales representatives for the most update information. Page 4 of 5 REV 1.0 Mar. 23 2007
0.25 MIN A1
RDC(R)
R8830I
RISC DSP Communication
16-BIT RISC MICROCONTROLLER
LQFP 100 pins
16.00 14.00 0.15 0.10
100
76
1
75
0.10 14.00
25 51 26 50
0.127(TYP)
0.50(TYP) Sealing Plane
0.22
0.05
"A"
0.08(MAX)
1.60(MAX)
0.05
0~7
0.05
0.60 1.00(REF)
0.10
Specifications subject to change without notice, contact your sales representatives for the most update information. Page 5 of 5 REV 1.0 Mar. 23 2007
0.2S(TYP) GAUGE PLANE
1.40
0.15
UNIT:mm
16.00
0.15

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