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Features
* High Performance, Low Power AVR(R) 8-Bit Microcontroller * Advanced RISC Architecture
- 120 Powerful Instructions - Most Single Clock Cycle Execution - 32 x 8 General Purpose Working Registers - Fully Static Operation - Up to 20 MIPS Throughput at 20 MHz Data and Non-volatile Program and Data Memories - 2/4K Bytes of In-System Self Programmable Flash * Endurance 10,000 Write/Erase Cycles - 128/256 Bytes In-System Programmable EEPROM * Endurance: 100,000 Write/Erase Cycles - 128/256 Bytes Internal SRAM - Programming Lock for Flash Program and EEPROM Data Security Peripheral Features - One 8-bit Timer/Counter with Separate Prescaler and Compare Mode - One 16-bit Timer/Counter with Separate Prescaler, Compare and Capture Modes - Four PWM Channels - On-chip Analog Comparator - Programmable Watchdog Timer with On-chip Oscillator - USI - Universal Serial Interface - Full Duplex USART Special Microcontroller Features - debugWIRE On-chip Debugging - In-System Programmable via SPI Port - External and Internal Interrupt Sources - Low-power Idle, Power-down, and Standby Modes - Enhanced Power-on Reset Circuit - Programmable Brown-out Detection Circuit - Internal Calibrated Oscillator I/O and Packages - 18 Programmable I/O Lines - 20-pin PDIP, 20-pin SOIC, 20-pad MLF/VQFN Operating Voltage - 1.8 - 5.5V Speed Grades - 0 - 4 MHz @ 1.8 - 5.5V - 0 - 10 MHz @ 2.7 - 5.5V - 0 - 20 MHz @ 4.5 - 5.5V Industrial Temperature Range: -40C to +85C Low Power Consumption - Active Mode * 190 A at 1.8V and 1MHz - Idle Mode * 24 A at 1.8V and 1MHz - Power-down Mode * 0.1 A at 1.8V and +25C
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8-bit Microcontroller with 2/4K Bytes In-System Programmable Flash ATtiny2313A ATtiny4313 Preliminary Summary
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Rev. 8246AS-AVR-11/09
1. Pin Configurations
Figure 1-1. Pinout ATtiny2313A/4313
PDIP/SOIC
(PCINT10/RESET/dW) PA2 (PCINT11/RXD) PD0 (PCINT12/TXD) PD1 (PCINT9/XTAL2) PA1 (PCINT8/CLKI/XTAL1) PA0 (PCINT13/CKOUT/XCK/INT0) PD2 (PCINT14/INT1) PD3 (PCINT15/T0) PD4 (PCINT16/OC0B/T1) PD5 GND
1 2 3 4 5 6 7 8 9 10
20 19 18 17 16 15 14 13 12 11
VCC PB7 (USCK/SCL/SCK/PCINT7) PB6 (MISO/DO/PCINT6) PB5 (MOSI/DI/SDA/PCINT5) PB4 (OC1B/PCINT4) PB3 (OC1A/PCINT3) PB2 (OC0A/PCINT2) PB1 (AIN1/PCINT1) PB0 (AIN0/PCINT0) PD6 (ICPI/PCINT17)
MLF/VQFN
PB7 (USCK/SCL/SCK/PCINT7) 17 PA2 (RESET/dW/PCINT10) PB6 (MISO/DO/PCINT6) 16 15 14 13 12 11 10 6 7 8 9
PD0 (RXD/PCINT11) 20 (PCINT12/TXD) PD1 (PCINT9/XTAL2) PA1 (PCINT8/CLKI/XTAL1) PA0 (PCINT13/CKOUT/XCK/INT0) PD2 (PCINT14/INT1) PD3 1 2 3 4 5
19
18
VCC
PB5 (MOSI/DI/SDA/PCINT5) PB4 (OC1B/PCINT4) PB3 (OC1A/PCINT3) PB2 (OC0A/PCINT2) PB1 (AIN1/PCINT1)
(PCINT17/ICPI) PD6
NOTE: Bottom pad should be soldered to ground.
1.1
1.1.1
Pin Descriptions
VCC Digital supply voltage.
1.1.2
GND Ground.
1.1.3
Port A (PA2..PA0) Port A is a 3-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The Port A output buffers have symmetrical drive characteristics with both high sink and source capability, except PA2 which has the RESET capability. To use pin PA2 as I/O pin, instead of RESET pin, program ("0") RSTDISBL fuse. As inputs, Port A pins that are externally pulled low
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(PCINT16/OC0B/T1) PD5
(AIN0/PCINT0) PB0
(PCINT15/T0) PD4
GND
ATtiny2313A/4313
will source current if the pull-up resistors are activated. The Port A pins are tri-stated when a reset condition becomes active, even if the clock is not running. Port A also serves the functions of various special features of the ATtiny2313A/4313 as listed on page 61. 1.1.4 Port B (PB7..PB0) Port B is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The Port B output buffers have symmetrical drive characteristics with both high sink and source capability. As inputs, Port B pins that are externally pulled low will source current if the pull-up resistors are activated. The Port B pins are tri-stated when a reset condition becomes active, even if the clock is not running. Port B also serves the functions of various special features of the ATtiny2313A/4313 as listed on page 62. 1.1.5 Port D (PD6..PD0) Port D is a 7-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The Port D output buffers have symmetrical drive characteristics with both high sink and source capability. As inputs, Port D pins that are externally pulled low will source current if the pull-up resistors are activated. The Port D pins are tri-stated when a reset condition becomes active, even if the clock is not running. Port D also serves the functions of various special features of the ATtiny2313A/4313 as listed on page 66. 1.1.6 RESET Reset input. A low level on this pin for longer than the minimum pulse length will generate a reset, even if the clock is not running and provided that the reset pin has not been disabled. The minimum pulse length is given in Table 21-3 on page 198. Shorter pulses are not guaranteed to generate a reset. The Reset Input is an alternate function for PA2 and dW. The reset pin can also be used as a (weak) I/O pin. 1.1.7 XTAL1 Input to the inverting Oscillator amplifier and input to the internal clock operating circuit. XTAL1 is an alternate function for PA0. 1.1.8 XTAL2 Output from the inverting Oscillator amplifier. XTAL2 is an alternate function for PA1.
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2. Overview
The ATtiny2313A/4313 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATtiny2313A/4313 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.
2.1
Block Diagram
Figure 2-1. Block Diagram
XTAL1 PA0 - PA2
XTAL2
PORTA DRIVERS
VCC
DATA REGISTER PORTA
DATA DIR. REG. PORTA
INTERNAL CALIBRATED OSCILLATOR
8-BIT DATA BUS GND PROGRAM COUNTER STACK POINTER
INTERNAL OSCILLATOR
OSCILLATOR
WATCHDOG TIMER MCU CONTROL REGISTER MCU STATUS REGISTER
TIMING AND CONTROL
RESET
PROGRAM FLASH
SRAM
ON-CHIP DEBUGGER
INSTRUCTION REGISTER
GENERAL PURPOSE REGISTER
TIMER/ COUNTERS INTERRUPT UNIT
INSTRUCTION DECODER
EEPROM CONTROL LINES ALU USI STATUS REGISTER
PROGRAMMING LOGIC
SPI
USART
ANALOG COMPARATOR
DATA REGISTER PORTB
DATA DIR. REG. PORTB
DATA REGISTER PORTD
DATA DIR. REG. PORTD
PORTB DRIVERS
PORTD DRIVERS
PB0 - PB7
PD0 - PD6
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The AVR core combines a rich instruction set with 32 general purpose working registers. All the 32 registers are directly connected to the Arithmetic Logic Unit (ALU), allowing two independent registers to be accessed in one single instruction executed in one clock cycle. The resulting architecture is more code efficient while achieving throughputs up to ten times faster than conventional CISC microcontrollers. The ATtiny2313A/4313 provides the following features: 2/4K bytes of In-System Programmable Flash, 128/256 bytes EEPROM, 128/256 bytes SRAM, 18 general purpose I/O lines, 32 general purpose working registers, a single-wire Interface for On-chip Debugging, two flexible Timer/Counters with compare modes, internal and external interrupts, a serial programmable USART, Universal Serial Interface with Start Condition Detector, a programmable Watchdog Timer with internal Oscillator, and three software selectable power saving modes. The Idle mode stops the CPU while allowing the SRAM, Timer/Counters, and interrupt system to continue functioning. The Power-down mode saves the register contents but freezes the Oscillator, disabling all other chip functions until the next interrupt or hardware reset. In Standby mode, the crystal/resonator Oscillator is running while the rest of the device is sleeping. This allows very fast start-up combined with low-power consumption. The device is manufactured using Atmel's high density non-volatile memory technology. The On-chip ISP Flash allows the program memory to be reprogrammed In-System through an SPI serial interface, or by a conventional non-volatile memory programmer. By combining an 8-bit RISC CPU with In-System Self-Programmable Flash on a monolithic chip, the Atmel ATtiny2313A/4313 is a powerful microcontroller that provides a highly flexible and cost effective solution to many embedded control applications. The ATtiny2313A/4313 AVR is supported with a full suite of program and system development tools including: C Compilers, Macro Assemblers, Program Debugger/Simulators, In-Circuit Emulators, and Evaluation kits.
2.2
Comparison Between ATtiny2313A and ATtiny4313
The ATtiny2313A and ATtiny4313 differ only in memory sizes. Table 2-1 summarizes the different memory sizes for the two devices. Table 2-1.
Device ATtiny2313A ATtiny4313
Memory Size Summary
Flash 2K Bytes 4K Bytes EEPROM 128 Bytes 256 Bytes RAM 128 Bytes 256 Bytes
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3. About
3.1 Resources
A comprehensive set of drivers, application notes, data sheets and descriptions on development tools are available for download at http://www.atmel.com/avr.
3.2
Code Examples
This documentation contains simple code examples that briefly show how to use various parts of the device. These code examples assume that the part specific header file is included before compilation. Be aware that not all C compiler vendors include bit definitions in the header files and interrupt handling in C is compiler dependent. Please confirm with the C compiler documentation for more details. For I/O Registers located in the extended I/O map, "IN", "OUT", "SBIS", "SBIC", "CBI", and "SBI" instructions must be replaced with instructions that allow access to extended I/O. Typically, this means "LDS" and "STS" combined with "SBRS", "SBRC", "SBR", and "CBR". Note that not all AVR devices include an extended I/O map.
3.3
Data Retention
Reliability Qualification results show that the projected data retention failure rate is much less than 1 PPM over 20 years at 85C or 100 years at 25C.
3.4
Disclaimer
Typical values contained in this datasheet are based on simulations and characterization of other AVR microcontrollers manufactured on the same process technology. Min and Max values will be available after the device has been characterized.
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4. Register Summary
Address
0x3F (0x5F) 0x3E (0x5E) 0x3D (0x5D) 0x3C (0x5C) 0x3B (0x5B) 0x3A (0x5A) 0x39 (0x59) 0x38 (0x58) 0x37 (0x57) 0x36 (0x56) 0x35 (0x55) 0x34 (0x54) 0x33 (0x53) 0x32 (0x52) 0x31 (0x51) 0x30 (0x50) 0x2F (0x4F) 0x2E (0x4E) 0x2D (0x4D) 0x2C (0x4C) 0x2B (0x4B) 0x2A (0x4A) 0x29 (0x49) 0x28 (0x48) 0x27 (0x47) 0x26 (0x46) 0x25 (0x45) 0x24 (0x44) 0x23 (0x43) 0x22 (ox42) 0x21 (0x41) 0x20 (0x40) 0x1F (0x3F) 0x1E (0x3E) 0x1D (0x3D) 0x1C (0x3C) 0x1B (0x3B) 0x1A (0x3A) 0x19 (0x39) 0x18 (0x38) 0x17 (0x37) 0x16 (0x36) 0x15 (0x35) 0x14 (0x34) 0x13 (0x33) 0x12 (0x32) 0x11 (0x31) 0x10 (0x30) 0x0F (0x2F) 0x0E (0x2E) 0x0D (0x2D) 0x0C (0x2C) 0x0B (0x2B) 0x0A (0x2A) 0x09 (0x29) 0x08 (0x28) 0x07 (0x27) 0x06 (0x26) 0x05 (0x25) 0x04 (0x24) 0x03 (0x23) 0x02 (0x22) 0x01 (0x21) 0x00 (0x20)
Name
SREG Reserved SPL OCR0B GIMSK GIFR TIMSK TIFR SPMCSR OCR0A MCUCR MCUSR TCCR0B TCNT0 OSCCAL TCCR0A TCCR1A TCCR1B TCNT1H TCNT1L OCR1AH OCR1AL OCR1BH OCR1BL Reserved CLKPR ICR1H ICR1L GTCCR TCCR1C WDTCSR PCMSK0 Reserved EEAR EEDR EECR PORTA DDRA PINA PORTB DDRB PINB GPIOR2 GPIOR1 GPIOR0 PORTD DDRD PIND USIDR USISR USICR UDR UCSRA UCSRB UBRRL ACSR BODCR PRR PCMSK2 PCMSK1 UCSRC UBRRH DIDR USIBR
Bit 7
I - SP7 INT1 INTF1 TOIE1 TOV1 - PUD - FOC0A - COM0A1 COM1A1 ICNC1
Bit 6
T - SP6 INT0 INTF0 OCIE1A OCF1A - SM1 - FOC0B CAL6 COM0A0 COM1A0 ICES1
Bit 5
H - SP5 PCIE0 PCIF0 OCIE1B OCF1B RSIG SE - - CAL5 COM0B1 COM1B1 -
Bit 4
S - SP4 PCIE2 PCIF2 - - CTPB SM0 - - CAL4 COM0B0 COM1B0 WGM13
Bit 3
V - SP3 PCIE1 PCIF1 ICIE1 ICF1 RFLB ISC11 WDRF WGM02 CAL3 - - WGM12
Bit 2
N - SP2 - - OCIE0B OCF0B PGWRT ISC10 BORF CS02 CAL2 - - CS12
Bit 1
Z - SP1 - - TOIE0 TOV0 PGERS ISC01 EXTRF CS01 CAL1 WGM01 WGM11 CS11
Bit 0
C - SP0 - - OCIE0A OCF0A SPMEN ISC00 PORF CS00 CAL0 WGM00 WGM10 CS10
Page
8 11 85 50 51 86, 115 86, 115 176 85 36, 50, 68 44 84 85 30 81 110 112 114 114 114 114 114 114
Timer/Counter0 - Compare Register B
Timer/Counter0 - Compare Register A
Timer/Counter0 (8-bit)
Timer/Counter1 - Counter Register High Byte Timer/Counter1 - Counter Register Low Byte Timer/Counter1 - Compare Register A High Byte Timer/Counter1 - Compare Register A Low Byte Timer/Counter1 - Compare Register B High Byte Timer/Counter1 - Compare Register B Low Byte - CLKPCE - - - - - - - CLKPS3 - CLKPS2 - CLKPS1 - CLKPS0
30 114 114
Timer/Counter1 - Input Capture Register High Byte Timer/Counter1 - Input Capture Register Low Byte - FOC1A WDIF PCINT7 - - - - - - PORTB7 DDB7 PINB7 - - - - PORTB6 DDB6 PINB6 EEPM1 - - - PORTB5 DDB5 PINB5 EEPM0 - - - PORTB4 DDB4 PINB4 - FOC1B WDIE PCINT6 - - - WDP3 PCINT5 - - - WDCE PCINT4 - - - WDE PCINT3 - EEPROM Address Register EEPROM Data Register EERIE - - - PORTB3 DDB3 PINB3 EEMPE PORTA2 DDA2 PINA2 PORTB2 DDB2 PINB2 EEPE PORTA1 DDA1 PINA1 PORTB1 DDB1 PINB1 EERE PORTA0 DDA0 PINA0 PORTB0 DDB0 PINB0 - - WDP2 PCINT2 - - - WDP1 PCINT1 - PSR10 - WDP0 PCINT0 -
118 113 44 53 22 22 22 68 68 69 69 69 69 23 23 23
General Purpose I/O Register 2 General Purpose I/O Register 1 General Purpose I/O Register 0 - - - USISIF USISIE RXC RXCIE ACD - - - - UMSEL1 - - PORTD6 DDD6 PIND6 USIOIF USIOIE TXC TXCIE ACBG - - PCINT17 - UMSEL0 - - PORTD5 DDD5 PIND5 USIPF USIWM1 UDRE UDRIE ACO - - PCINT16 - UPM1 - - PORTD4 DDD4 PIND4 USIDC USIWM0 FE RXEN ACI - - PCINT15 - UPM0 - - - USI Buffer Register PORTD3 DDD3 PIND3 USICNT3 USICS1 DOR TXEN UBRRH[7:0] ACIE - PRTIM1 PCINT14 - USBS PORTD2 DDD2 PIND2 USICNT2 USICS0 UPE UCSZ2 ACIC - PRTIM0 PCINT13 PCINT10 PORTD1 DDD1 PIND1 USICNT1 USICLK U2X RXB8 ACIS1 BODS PRUSI PCINT12 PCINT9 PORTD0 DDD0 PIND0 USICNT0 USITC MPCM TXB8 ACIS0 BODSE PRUSART PCINT11 PCINT8 UCPOL AIN0D
69 69 69 165 164 162 136 137 138 140 167 37 36 52 52 139 140 168 166
USI Data Register
UART Data Register (8-bit)
UCSZ1 UCSZ0 UBRRH[11:8] - AIN1D
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Notes:
1. For compatibility with future devices, reserved bits should be written to zero if accessed. Reserved I/O memory addresses should never be written. 2. I/O Registers within the address range 0x00 - 0x1F are directly bit-accessible using the SBI and CBI instructions. In these registers, the value of single bits can be checked by using the SBIS and SBIC instructions. 3. Some of the status flags are cleared by writing a logical one to them. Note that, unlike most other AVRs, the CBI and SBI instructions will only operate on the specified bit, and can therefore be used on registers containing such status flags. The CBI and SBI instructions work with registers 0x00 to 0x1F only. 4. When using the I/O specific commands IN and OUT, the I/O addresses 0x00 - 0x3F must be used. When addressing I/O Registers as data space using LD and ST instructions, 0x20 must be added to these addresses.
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5. Instruction Set Summary
Mnemonics
ADD ADC ADIW SUB SUBI SBC SBCI SBIW AND ANDI OR ORI EOR COM NEG SBR CBR INC DEC TST CLR SER RJMP IJMP RCALL ICALL RET RETI CPSE CP CPC CPI SBRC SBRS SBIC SBIS BRBS BRBC BREQ BRNE BRCS BRCC BRSH BRLO BRMI BRPL BRGE BRLT BRHS BRHC BRTS BRTC BRVS BRVC BRIE BRID SBI CBI LSL LSR ROL Rd,Rr Rd,Rr Rd,Rr Rd,K Rr, b Rr, b P, b P, b s, k s, k k k k k k k k k k k k k k k k k k k P,b P,b Rd Rd Rd k
Operands
Rd, Rr Rd, Rr Rdl,K Rd, Rr Rd, K Rd, Rr Rd, K Rdl,K Rd, Rr Rd, K Rd, Rr Rd, K Rd, Rr Rd Rd Rd,K Rd,K Rd Rd Rd Rd Rd k Add two Registers
Description
Rd Rd + Rr
Operation
Flags
Z,C,N,V,H Z,C,N,V,H Z,C,N,V,S Z,C,N,V,H Z,C,N,V,H Z,C,N,V,H Z,C,N,V,H Z,C,N,V,S Z,N,V Z,N,V Z,N,V Z,N,V Z,N,V Z,C,N,V Z,C,N,V,H Z,N,V Z,N,V Z,N,V Z,N,V Z,N,V Z,N,V None None None None None None I None Z, N,V,C,H Z, N,V,C,H Z, N,V,C,H None None None None None None None None None None None None None None None None None None None None None None None None None None Z,C,N,V Z,C,N,V Z,C,N,V
#Clocks
1 1 2 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 3 3 4 4 1/2/3 1 1 1 1/2/3 1/2/3 1/2/3 1/2/3 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 2 2 1 1 1
ARITHMETIC AND LOGIC INSTRUCTIONS Add with Carry two Registers Add Immediate to Word Subtract two Registers Subtract Constant from Register Subtract with Carry two Registers Subtract with Carry Constant from Reg. Subtract Immediate from Word Logical AND Registers Logical AND Register and Constant Logical OR Registers Logical OR Register and Constant Exclusive OR Registers One's Complement Two's Complement Set Bit(s) in Register Clear Bit(s) in Register Increment Decrement Test for Zero or Minus Clear Register Set Register Relative Jump Indirect Jump to (Z) Relative Subroutine Call Indirect Call to (Z) Subroutine Return Interrupt Return Compare, Skip if Equal Compare Compare with Carry Compare Register with Immediate Skip if Bit in Register Cleared Skip if Bit in Register is Set Skip if Bit in I/O Register Cleared Skip if Bit in I/O Register is Set Branch if Status Flag Set Branch if Status Flag Cleared Branch if Equal Branch if Not Equal Branch if Carry Set Branch if Carry Cleared Branch if Same or Higher Branch if Lower Branch if Minus Branch if Plus Branch if Greater or Equal, Signed Branch if Less Than Zero, Signed Branch if Half Carry Flag Set Branch if Half Carry Flag Cleared Branch if T Flag Set Branch if T Flag Cleared Branch if Overflow Flag is Set Branch if Overflow Flag is Cleared Branch if Interrupt Enabled Branch if Interrupt Disabled Set Bit in I/O Register Clear Bit in I/O Register Logical Shift Left Logical Shift Right Rotate Left Through Carry Rd Rd + Rr + C Rdh:Rdl Rdh:Rdl + K Rd Rd - Rr Rd Rd - K Rd Rd - Rr - C Rd Rd - K - C Rdh:Rdl Rdh:Rdl - K Rd Rd * Rr Rd Rd * K Rd Rd v Rr Rd Rd v K Rd Rd Rr Rd 0xFF - Rd Rd 0x00 - Rd Rd Rd v K Rd Rd * (0xFF - K) Rd Rd + 1 Rd Rd - 1 Rd Rd * Rd Rd Rd Rd Rd 0xFF PC PC + k + 1 PC Z PC PC + k + 1 PC Z PC STACK PC STACK if (Rd = Rr) PC PC + 2 or 3 Rd - Rr Rd - Rr - C Rd - K if (Rr(b)=0) PC PC + 2 or 3 if (Rr(b)=1) PC PC + 2 or 3 if (P(b)=0) PC PC + 2 or 3 if (P(b)=1) PC PC + 2 or 3 if (SREG(s) = 1) then PCPC+k + 1 if (SREG(s) = 0) then PCPC+k + 1 if (Z = 1) then PC PC + k + 1 if (Z = 0) then PC PC + k + 1 if (C = 1) then PC PC + k + 1 if (C = 0) then PC PC + k + 1 if (C = 0) then PC PC + k + 1 if (C = 1) then PC PC + k + 1 if (N = 1) then PC PC + k + 1 if (N = 0) then PC PC + k + 1 if (N V= 0) then PC PC + k + 1 if (N V= 1) then PC PC + k + 1 if (H = 1) then PC PC + k + 1 if (H = 0) then PC PC + k + 1 if (T = 1) then PC PC + k + 1 if (T = 0) then PC PC + k + 1 if (V = 1) then PC PC + k + 1 if (V = 0) then PC PC + k + 1 if ( I = 1) then PC PC + k + 1 if ( I = 0) then PC PC + k + 1 I/O(P,b) 1 I/O(P,b) 0 Rd(n+1) Rd(n), Rd(0) 0 Rd(n) Rd(n+1), Rd(7) 0 Rd(0)C,Rd(n+1) Rd(n),CRd(7)
BRANCH INSTRUCTIONS
BIT AND BIT-TEST INSTRUCTIONS
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Mnemonics
ROR ASR SWAP BSET BCLR BST BLD SEC CLC SEN CLN SEZ CLZ SEI CLI SES CLS SEV CLV SET CLT SEH CLH
Operands
Rd Rd Rd s s Rr, b Rd, b Arithmetic Shift Right Swap Nibbles Flag Set Flag Clear
Description
Rotate Right Through Carry
Operation
Rd(7)C,Rd(n) Rd(n+1),CRd(0) Rd(n) Rd(n+1), n=0..6 Rd(3..0)Rd(7..4),Rd(7..4)Rd(3..0) SREG(s) 1 SREG(s) 0 T Rr(b) Rd(b) T C1 C0 N1 N0 Z1 Z0 I1 I0 S1 S0 V1 V0 T1 T0 H1 H0 Rd Rr Rd+1:Rd Rr+1:Rr Rd K Rd (X) Rd (X), X X + 1 X X - 1, Rd (X) Rd (Y) Rd (Y), Y Y + 1 Y Y - 1, Rd (Y) Rd (Y + q) Rd (Z) Rd (Z), Z Z+1 Z Z - 1, Rd (Z) Rd (Z + q) Rd (k) (X) Rr (X) Rr, X X + 1 X X - 1, (X) Rr (Y) Rr (Y) Rr, Y Y + 1 Y Y - 1, (Y) Rr (Y + q) Rr (Z) Rr (Z) Rr, Z Z + 1 Z Z - 1, (Z) Rr (Z + q) Rr (k) Rr R0 (Z) Rd (Z) Rd (Z), Z Z+1 (Z) R1:R0 Rd P P Rr STACK Rr Rd STACK
Flags
Z,C,N,V Z,C,N,V None SREG(s) SREG(s) T None C C N N Z Z I I S S V V T T H H None None None None None None None None None None None None None None None None None None None None None None None None None None None None None None None None None None None None
#Clocks
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 1 1 2 2 1 1 1 N/A
Bit Store from Register to T Bit load from T to Register Set Carry Clear Carry Set Negative Flag Clear Negative Flag Set Zero Flag Clear Zero Flag Global Interrupt Enable Global Interrupt Disable Set Signed Test Flag Clear Signed Test Flag Set Twos Complement Overflow. Clear Twos Complement Overflow Set T in SREG Clear T in SREG Set Half Carry Flag in SREG Clear Half Carry Flag in SREG
DATA TRANSFER INSTRUCTIONS MOV MOVW LDI LD LD LD LD LD LD LDD LD LD LD LDD LDS ST ST ST ST ST ST STD ST ST ST STD STS LPM LPM LPM SPM IN OUT PUSH POP NOP SLEEP WDR BREAK Rd, P P, Rr Rr Rd Rd, Z Rd, Z+ Rd, Rr Rd, Rr Rd, K Rd, X Rd, X+ Rd, - X Rd, Y Rd, Y+ Rd, - Y Rd,Y+q Rd, Z Rd, Z+ Rd, -Z Rd, Z+q Rd, k X, Rr X+, Rr - X, Rr Y, Rr Y+, Rr - Y, Rr Y+q,Rr Z, Rr Z+, Rr -Z, Rr Z+q,Rr k, Rr Move Between Registers Copy Register Word Load Immediate Load Indirect Load Indirect and Post-Inc. Load Indirect and Pre-Dec. Load Indirect Load Indirect and Post-Inc. Load Indirect and Pre-Dec. Load Indirect with Displacement Load Indirect Load Indirect and Post-Inc. Load Indirect and Pre-Dec. Load Indirect with Displacement Load Direct from SRAM Store Indirect Store Indirect and Post-Inc. Store Indirect and Pre-Dec. Store Indirect Store Indirect and Post-Inc. Store Indirect and Pre-Dec. Store Indirect with Displacement Store Indirect Store Indirect and Post-Inc. Store Indirect and Pre-Dec. Store Indirect with Displacement Store Direct to SRAM Load Program Memory Load Program Memory Load Program Memory and Post-Inc Store Program Memory In Port Out Port Push Register on Stack Pop Register from Stack No Operation Sleep Watchdog Reset Break (see specific descr. for Sleep function) (see specific descr. for WDR/timer) For On-chip Debug Only
MCU CONTROL INSTRUCTIONS None None None
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6. Ordering Information
6.1 ATtiny2313A
Speed (MHz) 20(3) Power Supply 1.8 - 5.5V Ordering Code(2) ATtiny2313A-PU ATtiny2313A-SU ATtiny2313A-MU ATtiny2313A-MMH(4)(5) Package(1) 20P3 20S 20M1 20M2 Operation Range Industrial (-40C to 85C)
Notes:
1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities. 2. Pb-free packaging, complies to the European Directive for Restriction of Hazardous Substances (RoHS directive). Also Halide free and fully Green. 3. For Speed vs. VCC, see "Speed Grades" on page 196. 4. NiPdAu finish 5. Topside marking for ATtiny2313A: - 1st Line: T2313 - 2nd Line: Axx - 3rd Line: xxx
Package Type 20P3 20S 20M1 20M2 20-lead, 0.300" Wide, Plastic Dual Inline Package (PDIP) 20-lead, 0.300" Wide, Plastic Gull Wing Small Outline Package (SOIC) 20-pad, 4 x 4 x 0.8 mm Body, Quad Flat No-Lead / Micro Lead Frame Package (MLF) 20-pad, 3 x 3 x 0.85 mm Body, Very Thin Quad Flat No Lead Package (VQFN)
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8246AS-AVR-11/09
6.2
ATtiny4313
Speed (MHz) 20
(3)
Power Supply 1.8 - 5.5V
Ordering Code(2) ATtiny4313-PU ATtiny4313-SU ATtiny4313-MU ATTINY4313-MMH(4)(5)
Package(1) 20P3 20S 20M1 20M2
Operation Range Industrial (-40C to 85C)
Notes:
1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities. 2. Pb-free packaging, complies to the European Directive for Restriction of Hazardous Substances (RoHS directive). Also Halide free and fully Green. 3. For Speed vs. VCC, see "Speed Grades" on page 196. 4. NiPdAu finish 5. Topside marking for ATtiny4313: - 1st Line: T4313 - 2nd Line: xx - 3rd Line: xxx
Package Type 20P3 20S 20M1 20M2 20-lead, 0.300" Wide, Plastic Dual Inline Package (PDIP) 20-lead, 0.300" Wide, Plastic Gull Wing Small Outline Package (SOIC) 20-pad, 4 x 4 x 0.8 mm Body, Quad Flat No-Lead/Micro Lead Frame Package (MLF) 20-pad, 3 x 3 x 0.85 mm Body, Very Thin Quad Flat No Lead Package (VQFN)
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7. Packaging Information
7.1 20P3
D
PIN 1
E1
A
SEATING PLANE
L B1 e E B
A1
C eC eB
SYMBOL A A1 D E E1 B Notes: 1. This package conforms to JEDEC reference MS-001, Variation AD. 2. Dimensions D and E1 do not include mold Flash or Protrusion. Mold Flash or Protrusion shall not exceed 0.25 mm (0.010"). B1 L C eB eC e
COMMON DIMENSIONS (Unit of Measure = mm) MIN - 0.381 25.493 7.620 6.096 0.356 1.270 2.921 0.203 - 0.000 NOM - - - - - - - - - - - MAX 5.334 - 25.984 8.255 7.112 0.559 1.551 3.810 0.356 10.922 1.524 Note 2 Note 2 NOTE
2.540 TYP
1/12/04 2325 Orchard Parkway San Jose, CA 95131 TITLE 20P3, 20-lead (0.300"/7.62 mm Wide) Plastic Dual Inline Package (PDIP) DRAWING NO. 20P3 REV. C
R
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7.2
20S
14
ATtiny2313A/4313
8246AS-AVR-11/09
ATtiny2313A/4313
7.3 20M1
D
1 Pin 1 ID 2 3
E
SIDE VIEW
TOP VIEW A2 D2 A1 A
1 Pin #1 Notch (0.20 R) 2 3
0.08
C
E2
SYMBOL A A1
COMMON DIMENSIONS (Unit of Measure = mm) MIN 0.70 - NOM 0.75 0.01 0.20 REF 0.18 0.23 4.00 BSC 2.45 2.60 4.00 BSC 2.45 2.60 0.50 BSC 0.35 0.40 0.55 2.75 2.75 0.30 MAX 0.80 0.05 NOTE
b
L e BOTTOM VIEW
A2 b D D2 E E2 e
Note:
Reference JEDEC Standard MO-220, Fig. 1 (SAW Singulation) WGGD-5.
L
10/27/04 2325 Orchard Parkway San Jose, CA 95131 TITLE 20M1, 20-pad, 4 x 4 x 0.8 mm Body, Lead Pitch 0.50 mm, 2.6 mm Exposed Pad, Micro Lead Frame Package (MLF) DRAWING NO. 20M1 REV. A
R
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7.4
20M2
D
C y
Pin 1 ID
E
SIDE VIEW
TOP VIEW A1 A D2
16 17 18 19 20 COMMON DIMENSIONS (Unit of Measure = mm) SYMBOL A 2 MIN 0.75 0.00 0.17 NOM 0.80 0.02 0.22 0.152 2.90 1.40 2.90 1.40 - 0.35 0.20 0.00 3.00 1.55 3.00 1.55 0.45 0.40 - - 3.10 1.70 3.10 1.70 - 0.45 - 0.08 MAX 0.85 0.05 0.27 NOTE
C0.18 (8X)
15 14
Pin #1 Chamfer (C 0.3)
1
e E2 13
12 11 3 4 5
A1 b C D D2 E
b
10 9 8 7 6
E2 e
L BOTTOM VIEW
K
0.3 Ref (4x)
L K y
10/24/08 Package Drawing Contact: packagedrawings@atmel.com GPC TITLE 20M2, 20-pad, 3 x 3 x 0.85 mm Body, Lead Pitch 0.45 mm, ZFC 1.55 x 1.55 mm Exposed Pad, Thermally Enhanced Plastic Very Thin Quad Flat No Lead Package (VQFN) DRAWING NO. 20M2 REV. B
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ATtiny2313A/4313
8. Errata
The revision letters in this section refer to the revision of the corresponding ATtiny2313A/4313 device.
8.1
8.1.1
ATtiny2313A
Rev. D No known errata.
8.1.2
Rev. A - C These device revisions were referred to as ATtiny2313/ATtiny2313V.
8.2
8.2.1
ATtiny4313
Rev. A No known errata.
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8246AS-AVR-11/09
9. Datasheet Revision History
9.1 Rev. 8246A - 11/09
1. Initial revision. Created from document 2543_t2313. 2. Updated datasheet template. 3. Added VQFN in the Pinout Figure 1-1 on page 2. 4. Added Section 7.2 "Software BOD Disable" on page 34. 5. Added Section 7.3 "Power Reduction Register" on page 34. 6. Updated Table 7-2, "Sleep Mode Select," on page 36. 7. Added Section 7.5.3 "BODCR - Brown-Out Detector Control Register" on page 37. 8. Added reset disable function in Figure 8-1 on page 38. 9. Added pin change interrupts PCINT1 and PCINT2 in Table 9-1 on page 47. 10. Added PCINT17..8 and PCMSK2..1 in Section 9.2 "External Interrupts" on page 48. 11. Added Section 9.3.4 "PCMSK2 - Pin Change Mask Register 2" on page 52. 12. Added Section 9.3.5 "PCMSK1 - Pin Change Mask Register 1" on page 52. 13. Updated Section 10.2.1 "Alternate Functions of Port A" on page 61. 14. Updated Section 10.2.2 "Alternate Functions of Port B" on page 62. 15. Updated Section 10.2.3 "Alternate Functions of Port D" on page 66. 16. Added UMSEL1 and UMSEL0 in Section 14.10.4 "UCSRC - USART Control and Status Register C" on page 139. 17. Added Section 15. "USART in SPI Mode" on page 145. 18. Added USI Buffer Register (USIBR) in Section 16.2 "Overview" on page 155 and in Figure 16-1 on page 155. 19. Added Section 16.5.4 "USIBR - USI Buffer Register" on page 166. 20. Updated Section 19.6.3 "Reading Device Signature Imprint Table from Firmware" on page 175. 21. Updated Section 19.9.1 "SPMCSR - Store Program Memory Control and Status Register" on page 176. 22. Added Section 20.3 "Device Signature Imprint Table" on page 180. 23. Updated Section 20.3.1 "Calibration Byte" on page 181. 24. Changed BS to BS1 in Section 20.6.13 "Reading the Signature Bytes" on page 189. 25. Updated Section 21.2 "DC Characteristics" on page 195. 26. Added Section 22.1 "Effect of Power Reduction" on page 203. 27. Updated characteristic plots in Section 22. "Typical Characteristics" for ATtiny2313A (pages 204 - 227), and added plots for ATtiny4313 (pages 228 - 251). 28. Updated Section 4. "Register Summary" on page 7 . 29. Updated Section 6. "Ordering Information" on page 11, added the package type 20M2 and the ordering code -MMH (VQFN), and added the topside marking note.
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ATtiny2313A/4313
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8246AS-AVR-11/09
Headquarters
Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131 USA Tel: 1(408) 441-0311 Fax: 1(408) 487-2600
International
Atmel Asia Unit 1-5 & 16, 19/F BEA Tower, Millennium City 5 418 Kwun Tong Road Kwun Tong, Kowloon Hong Kong Tel: (852) 2245-6100 Fax: (852) 2722-1369 Atmel Europe Le Krebs 8, Rue Jean-Pierre Timbaud BP 309 78054 Saint-Quentin-enYvelines Cedex France Tel: (33) 1-30-60-70-00 Fax: (33) 1-30-60-71-11 Atmel Japan 9F, Tonetsu Shinkawa Bldg. 1-24-8 Shinkawa Chuo-ku, Tokyo 104-0033 Japan Tel: (81) 3-3523-3551 Fax: (81) 3-3523-7581
Product Contact
Web Site www.atmel.com Technical Support avr@atmel.com Sales Contact www.atmel.com/contacts
Literature Requests www.atmel.com/literature
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8246AS-AVR-11/09

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