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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 High Endurance, Non-Volatile Memory Segments - 2K/4K Bytes of In-System, Self-Programmable Flash Program Memory * Endurance: 10,000 Write/Erase Cycles - 128/256 Bytes of In-System Programmable EEPROM * Endurance: 100,000 Write/Erase Cycles - 128/256 Bytes of Internal SRAM - Data retention: 20 years at 85C / 100 years at 25C - Programming Lock for Self-Programming Flash & EEPROM Data Security Peripheral Features - One 8-Bit and One 16-Bit Timer/Counter with Two PWM Channels, Each - 10-bit ADC * 8 Single-Ended Channels * 12 Differential ADC Channel Pairs with Programmable Gain (1x / 20x) - Programmable Watchdog Timer with Separate On-chip Oscillator - On-Chip Analog Comparator - Universal Serial Interface Special Microcontroller Features - debugWIRE On-chip Debug System - In-System Programmable via SPI Port - Internal and External Interrupt Sources * Pin Change Interrupt on 12 Pins - Low Power Idle, ADC Noise Reduction, Standby and Power-Down Modes - Enhanced Power-on Reset Circuit - Programmable Brown-Out Detection Circuit with Software Disable Function - Internal Calibrated Oscillator - On-Chip Temperature Sensor I/O and Packages - Available in 20-Pin QFN/MLF/VQFN, 14-Pin SOIC, 14-pin PDIP and 15-ball UFBGA - Twelve Programmable I/O Lines Operating Voltage: - 1.8 - 5.5V Speed Grade: - 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: * 210 A at 1.8V and 1MHz - Idle Mode: * 33 A at 1.8V and 1MHz - Power-Down Mode: * 0.1 A at 1.8V and 25C
*
*
8-bit Microcontroller with 2K/4K Bytes In-System Programmable Flash ATtiny24A (Preliminary) ATtiny44A
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*
Summary
* *
* *
Rev. 8183BS-AVR-03/10
1. Pin Configurations
Figure 1-1. Pinout of ATtiny24A/44A
PDIP/SOIC
VCC (PCINT8/XTAL1/CLKI) PB0 (PCINT9/XTAL2) PB1 (PCINT11/RESET/dW) PB3 (PCINT10/INT0/OC0A/CKOUT) PB2 (PCINT7/ICP/OC0B/ADC7) PA7 (PCINT6/OC1A/SDA/MOSI/DI/ADC6) PA6 1 2 3 4 5 6 7 14 13 12 11 10 9 8 GND PA0 (ADC0/AREF/PCINT0) PA1 (ADC1/AIN0/PCINT1) PA2 (ADC2/AIN1/PCINT2) PA3 (ADC3/T0/PCINT3) PA4 (ADC4/USCK/SCL/T1/PCINT4) PA5 (ADC5/DO/MISO/OC1B/PCINT5)
QFN/MLF/VQFN
Pin 16: PA6 (PCINT6/OC1A/SDA/MOSI/DI/ADC6) Pin 20: PA5 (ADC5/DO/MISO/OC1B/PCINT5) PA7 (PCINT7/ICP/OC0B/ADC7) PB2 (PCINT10/INT0/OC0A/CKOUT) PB3 (PCINT11/RESET/dW) PB1 (PCINT9/XTAL2) PB0 (PCINT8/XTAL1/CLKI) PA5 DNC DNC DNC PA6 NOTE Bottom pad should be soldered to ground. DNC: Do Not Connect
Table 1-1.
A B C D
UFBGA - Pinout ATtiny24A/44A.
1 2 PA5 PA4 PA3 PA0 PA7 PA2 GND 3 PA6 PB1 PA1 GND 4 PB2 PB3 PB0 VCC
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8183BS-AVR-03/10
DNC DNC GND VCC DNC
6 7 8 9 10
(ADC4/USCK/SCL/T1/PCINT4) PA4 (ADC3/T0/PCINT3) PA3 (ADC2/AIN1/PCINT2) PA2 (ADC1/AIN0/PCINT1) PA1 (ADC0/AREF/PCINT0) PA0
1 2 3 4 5
20 19 18 17 16
15 14 13 12 11
ATtiny24A/44A
1.1
1.1.1
Pin Descriptions
VCC Supply voltage.
1.1.2
GND Ground.
1.1.3
Port B (PB3...PB0) Port B is a 4-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 except PB3 which has the RESET capability. To use pin PB3 as an I/O pin, instead of RESET pin, program (`0') RSTDISBL fuse. 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 ATtiny24A/44A as listed in Section 10.2 "Alternate Port Functions" on page 57.
1.1.4
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 the reset pin has not been disabled. The minimum pulse length is given in Table 20-4 on page 176. Shorter pulses are not guaranteed to generate a reset. The reset pin can also be used as a (weak) I/O pin.
1.1.5
Port A (PA7...PA0) Port A is a 8-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. As inputs, Port A pins that are externally pulled low 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 has alternate functions as analog inputs for the ADC, analog comparator, timer/counter, SPI and pin change interrupt as described in "Alternate Port Functions" on page 57.
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8183BS-AVR-03/10
2. Overview
ATtiny24A/44A are low-power CMOS 8-bit microcontrollers based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATtiny24A/44A achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed. Figure 2-1.
VCC 8-BIT DATABUS INTERNAL OSCILLATOR GND
PROGRAM COUNTER STACK POINTER
Block Diagram
INTERNAL CALIBRATED OSCILLATOR
WATCHDOG TIMER MCU CONTROL REGISTER
TIMING AND CONTROL
PROGRAM FLASH
SRAM
INSTRUCTION REGISTER
GENERAL PURPOSE REGISTERS
X Y Z
MCU STATUS REGISTER TIMER/ COUNTER0 TIMER/ COUNTER1
INSTRUCTION DECODER
CONTROL LINES
ALU
STATUS REGISTER
INTERRUPT UNIT
PROGRAMMING LOGIC
ISP INTERFACE
EEPROM
OSCILLATORS
ANALOG COMPARATOR
DATA REGISTER PORT A
DATA DIR. REG.PORT A
ADC
DATA REGISTER PORT B
DATA DIR. REG.PORT B
+ -
PORT A DRIVERS
PORT B DRIVERS
PA7-PA0
PB3-PB0
The AVR core combines a rich instruction set with 32 general purpose working registers. All 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.
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ATtiny24A/44A
8183BS-AVR-03/10
ATtiny24A/44A
The ATtiny24A/44A provides the following features: 2K/4K byte of In-System Programmable Flash, 128/256 bytes EEPROM, 128/256 bytes SRAM, 12 general purpose I/O lines, 32 general purpose working registers, an 8-bit Timer/Counter with two PWM channels, a 16-bit timer/counter with two PWM channels, Internal and External Interrupts, a 8-channel 10-bit ADC, programmable gain stage (1x, 20x) for 12 differential ADC channel pairs, a programmable Watchdog Timer with internal oscillator, internal calibrated oscillator, and four software selectable power saving modes. Idle mode stops the CPU while allowing the SRAM, Timer/Counter, ADC, Analog Comparator, and Interrupt system to continue functioning. ADC Noise Reduction mode minimizes switching noise during ADC conversions by stopping the CPU and all I/O modules except the ADC. In Power-down mode registers keep their contents and all chip functions are disbaled until the next interrupt or hardware reset. In Standby mode, the crystal/resonator oscillator is running while the rest of the device is sleeping, allowing very fast start-up combined with low power consumption. The device is manufactured using Atmel's high density non-volatile memory technology. The onchip ISP Flash allows the Program memory to be re-programmed in-system through an SPI serial interface, by a conventional non-volatile memory programmer or by an on-chip boot code running on the AVR core. The ATtiny24A/44A AVR is supported with a full suite of program and system development tools including: C Compilers, Macro Assemblers, Program Debugger/Simulators and Evaluation kits.
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3. Additional Information
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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ATtiny24A/44A
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 (0x42) 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 SPH SPL OCR0B GIMSK GIFR TIMSK0 TIFR0 SPMCSR OCR0A MCUCR MCUSR TCCR0B TCNT0 OSCCAL TCCR0A TCCR1A TCCR1B TCNT1H TCNT1L OCR1AH OCR1AL OCR1BH OCR1BL DWDR CLKPR ICR1H ICR1L GTCCR TCCR1C WDTCSR PCMSK1 Reserved EEARL EEDR EECR PORTA DDRA PINA PORTB DDRB PINB GPIOR2 GPIOR1 GPIOR0 PCMSK0 Reserved USIBR USIDR USISR USICR TIMSK1 TIFR1 Reserved Reserved ACSR ADMUX ADCSRA ADCH ADCL ADCSRB Reserved DIDR0 PRR
Bit 7
I - SP7 - - - - BODS - FOC0A CAL7 COM0A1 COM1A1 ICNC1
Bit 6
T - SP6 INT0 INTF0 - - - PUD - FOC0B CAL6 COM0A0 COM1A0 ICES1
Bit 5
H -
Bit 4
S -
Bit 3
V -
Bit 2
N -
Bit 1
Z SP9 SP1 - - OCIE0A OCF0A PGERS ISC01 EXTRF CS01 CAL1 WGM01 WGM11
Bit 0
C SP8 SP0 - - TOIE0 TOV0 SPMEN ISC00 PORF CS00 CAL0 WGM00 WGM10 CS10
Page
Page 14 Page 13 Page 13 Page 83 Page 49 Page 50 Page 83 Page 83 Page 156 Page 82 Pages 35, 49, 65 Page 43 Page 81 Page 82 Page 29 Page 78 Page 106 Page 108 Page 110 Page 110 Page 110 Page 110 Page 110 Page 110 Page 151
SP5 SP4 SP3 SP2 Timer/Counter0 - Output Compare Register B PCIE1 PCIF1 - - PCIE0 PCIF0 - - - - - - - - OCIE0B OCF0B
RSIG CTPB RFLB PGWRT Timer/Counter0 - Output Compare Register A SE - - CAL5 COM0B1 COM1B1 - SM1 - - CAL4 COM0B0 COM1B0 WGM13 SM0 WDRF WGM02 CAL3 - - WGM12 CS12 BODSE BORF CS02 CAL2
Timer/Counter0
CS11
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 DWDR[7:0] CLKPCE - - - CLKPS3 CLKPS2 CLKPS1 CLKPS0 Timer/Counter1 - Input Capture Register High Byte Timer/Counter1 - Input Capture Register Low Byte TSM FOC1A WDIF - - EEAR7 - PORTA7 DDA7 PINA7 - - - - FOC1B WDIE - - EEAR6 - PORTA6 DDA6 PINA6 - - - - - WDP3 - - EEAR5 EEPM1 PORTA5 DDA5 PINA5 - - - - - WDCE - - EEAR4 EEPM0 PORTA4 DDA4 PINA4 - - - - - WDE PCINT11 - EEAR3 EERIE PORTA3 DDA3 PINA3 PORTB3 DDB3 PINB3 - - WDP2 PCINT10 - EEAR2 EEMPE PORTA2 DDA2 PINA2 PORTB2 DDB2 PINB2 - - WDP1 PCINT9 - EEAR1 EEPE PORTA1 DDA1 PINA1 PORTB1 DDB1 PINB1 PSR10 - WDP0 PCINT8 - EEAR0 EERE PORTA0 DDA0 PINA0 PORTB0 DDB0 PINB0
Page 30 Page 111 Page 111 Page 114 Page 109 Page 43 Page 50 Page 20 Page 21 Page 22 Page 65 Page 65 Page 66 Page 66 Page 66 Page 66 Page 22 Page 22 Page 22
EEPROM Data Register
General Purpose I/O Register 2 General Purpose I/O Register 1 General Purpose I/O Register 0 PCINT7 PCINT6 PCINT5 PCINT4 - USI Buffer Register USI Data Register USISIF USISIE - - USIOIF USIOIE - - USIPF USIWM1 ICIE1 ICF1 USIDC USIWM0 - - - - ACD REFS1 ADEN ACBG REFS0 ADSC ACO MUX5 ADATE ACI MUX4 ADIF ACIE MUX3 ADIE ACIC MUX2 ADPS2 ACIS1 MUX1 ADPS1 ACIS0 MUX0 ADPS0 USICNT3 USICS1 - - USICNT2 USICS0 OCIE1B OCF1B USICNT1 USICLK OCIE1A OCF1A USICNT0 USITC TOIE1 TOV1 PCINT3 PCINT2 PCINT1 PCINT0
Page 51 Page 127 Page 126 Page 125 Page 123 Page 111 Page 112
Page 129 Page 144 Page 146 Page 148 Page 148
ADC Data Register High Byte ADC Data Register Low Byte BIN ADC7D - ACME ADC6D - - ADC5D - ADLAR - ADC4D - ADC3D PRTIM1 ADC2D PRTIM0 ADC1D PRUSI ADC0D PRADC - ADTS2 ADTS1 ADTS0
Pages 130, 148 Pages 131, 149 Page 36
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8183BS-AVR-03/10
Note:
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 operation 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.
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ATtiny24A/44A
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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8183BS-AVR-03/10
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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ATtiny24A/44A
6. Ordering Information
6.1 ATtiny24A
Speed (MHz) Power Supply Ordering Code(1) ATtiny24A-SSU ATtiny24A-SSUR ATtiny24A-PU ATtiny24A-CCU ATtiny24A-CCUR ATtiny24A-MU ATtiny24A-MUR ATtiny24A-MMH(3) ATtiny24A-MMHR(3) Package(2) 14S1 14S1 14P3 15CC1 15CC1 20M1 20M1 20M2 20M2 Operational Range
20
1.8 - 5.5V
Industrial (-40C to 85C)(4)
Notes:
1. Code indicators: - H: NiPdAu lead finish - U: matte tin - R: tape & reel 2. All packages are Pb-free, halide-free and fully green and they comply with the European directive for Restriction of Hazardous Substances (RoHS). 3. Topside marking for ATtiny24A: - 1st Line: T24 - 2nd Line: Axx - 3rd Line: xxx 4. These devices can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities.
Package Type 14S1 14P3 15CC1 20M1 20M2 14-lead, 0.150" Wide Body, Plastic Gull Wing Small Outline Package (SOIC) 14-lead, 0.300" Wide, Plastic Dual Inline Package (PDIP) 15-ball (4 x 4 Array), 0.65 mm Pitch, 3.0 x 3.0 x 0.6 mm, Ultra Thin, Fine-Pitch Ball Grid Array Package (UFBGA) 20-pad, 4 x 4 x 0.8 mm Body, Quad Flat No Lead / Micro Lead Frame Package (QFN/MLF) 20-pad, 3 x 3 x 0.85 mm Body, Very Thin Quad Flat No Lead Package (VQFN)
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8183BS-AVR-03/10
6.2
ATtiny44A
Speed (MHz) Power Supply Ordering Code(1) ATTINY44A-SSU ATTINY44A-SSUR ATtiny44A-PU ATtiny44A-CCU ATtiny44A-CCUR ATtiny44A-MU ATtiny44A-MUR ATtiny44A-MMH(3) ATtiny44A-MMHR(3) Package(2) 14S1 14S1 14P3 15CC1 15CC1 20M1 20M1 20M2 20M2 Operational Range
20
1.8 - 5.5V
Industrial (-40C to 85C)(4)
Notes:
1. Code indicators: - H: NiPdAu lead finish - U: matte tin - R: tape & reel 2. All packages are Pb-free, halide-free and fully green and they comply with the European directive for Restriction of Hazardous Substances (RoHS). 3. Topside marking for ATtiny44A: - 1st Line: T44 - 2nd Line: Axx - 3rd Line: xxx 4. These devices can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities.
Package Type 14S1 14P3 15CC1 20M1 20M2 14-lead, 0.150" Wide Body, Plastic Gull Wing Small Outline Package (SOIC) 14-lead, 0.300" Wide, Plastic Dual Inline Package (PDIP) 15-ball (4 x 4 Array), 0.65 mm Pitch, 3.0 x 3.0 x 0.6 mm, Ultra Thin, Fine-Pitch Ball Grid Array Package (UFBGA) 20-pad, 4 x 4 x 0.8 mm Body, Quad Flat No-Lead / Micro Lead Frame Package (QFN/MLF) 20-pad, 3 x 3 x 0.85 mm Body, Very Thin Quad Flat No Lead Package (VQFN)
12
ATtiny24A/44A
8183BS-AVR-03/10
ATtiny24A/44A
7. Packaging Information
7.1 14S1
1
E E H
N
L
Top View
End View
e A1
b
SYMBOL
COMMON DIMENSIONS (Unit of Measure = mm/inches) MIN NOM MAX NOTE
A
1.35/0.0532 0.1/.0040 0.33/0.0130 8.55/0.3367 3.8/0.1497 5.8/0.2284 0.41/0.0160
- - - - - - - 1.27/0.050 BSC
1.75/0.0688 0.25/0.0098 0.5/0.0200 5 8.74/0.3444 3.99/0.1574 6.19/0.2440 1.27/0.0500 4 2 3
A
A1 b
D
D E
Side View
H L e
Notes:
1. This drawing is for general information only; refer to JEDEC Drawing MS-012, Variation AB for additional information. 2. Dimension D does not include mold Flash, protrusions or gate burrs. Mold Flash, protrusion and gate burrs shall not exceed 0.15 mm (0.006") per side. 3. Dimension E does not include inter-lead Flash or protrusion. Inter-lead flash and protrusions shall not exceed 0.25 mm (0.010") per side. 4. L is the length of the terminal for soldering to a substrate. 5. The lead width B, as measured 0.36 mm (0.014") or greater above the seating plane, shall not exceed a maximum value of 0.61 mm (0.024") per side.
2/5/02 TITLE
R
DRAWING NO. 14S1, 14-lead, 0.150" Wide Body, Plastic Gull Wing Small Outline Package (SOIC) 14S1
2325 Orchard Parkway San Jose, CA 95131
REV. A
13
8183BS-AVR-03/10
7.2
14P3
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 AA. 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 18.669 7.620 6.096 0.356 1.143 2.921 0.203 - 0.000 NOM - - - - - - - - - - - MAX 5.334 - 19.685 8.255 7.112 0.559 1.778 3.810 0.356 10.922 1.524 Note 2 Note 2 NOTE
2.540 TYP
11/02/05 2325 Orchard Parkway San Jose, CA 95131 TITLE 14P3, 14-lead (0.300"/7.62 mm Wide) Plastic Dual Inline Package (PDIP) DRAWING NO. 14P3 REV. A
R
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ATtiny24A/44A
8183BS-AVR-03/10
ATtiny24A/44A
7.3 15CC1
1
2
3
4 0.08
A Pin#1 ID B D C D b1 SIDE VIEW
A1 E TOP VIEW A A2
E1 e 15-Ob
D C D1 B A
SYMBOL
COMMON DIMENSIONS (Unit of Measure = mm)
MIN NOM MAX NOTE
A A1 A2
- 0.05 0.25 0.25 2.90 2.90
- 0.010 0.43 REF 0.30 - 3.00 1.95 BSC 3.00 1.95 BSC 0.65 BSC
0.6 0.015 0.35 - 3.10 3.10 1 2
1 A1 Ball Corner
2
3
4
b b1 D D1 E E1
BOTTOM VIEW
e to the seating plane. Note2: Dimention "b1" is the solderable surface defined by the opening of the solder resist layer.
Note1: Dimention "b" is measured at the maximum ball dia. in a plane parallel
27/07/09 GPC CBC DRAWING NO. REV. B
TITLE Package Drawing Contact: 15CC1, 15-ball (4 x 4 Array), 3.0 x 3.0 x 0.6mm packagedrawings@atmel.com package, ball pitch 0.65mm,
Ultra thin, Fine-Pitch Ball Grid Array Package (UFBGA)
15CC1
15
8183BS-AVR-03/10
7.4
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
16
ATtiny24A/44A
8183BS-AVR-03/10
ATtiny24A/44A
7.5 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
17
8183BS-AVR-03/10
8. Errata
The revision letters in this section refer to the revision of the corresponding ATtiny24A/44A device.
8.1
8.1.1
ATtiny24A
Rev. H No known errata.
8.1.2
Rev. G Not sampled.
8.1.3
Rev. F Not sampled.
8.2
8.2.1
ATtiny44A
Rev. F No known errata.
8.2.2
Rev. E Not sampled.
18
ATtiny24A/44A
8183BS-AVR-03/10
ATtiny24A/44A
9. Datasheet Revision History
9.1 Rev. 8183B - 03/10
1. Updated template. 2. Added UFBGA package (15CC1) in: "Features" on page 1, "Pin Configurations" on page 2, Section 6. "Ordering Information" on page 11, and Section 7.3 "15CC1" on page 15. 3. Separated typical characteristic plots, added Section 21.2 "ATtiny24A" on page 183. 4. Updated sections: - Section 14.5.4 "USIBR - USI Buffer Register" on page 127, header updated - Section 6. "Ordering Information" on page 11, added tape & reel and topside marking, updated notes 5. Updated Figures: - Figure 4-1 "Block Diagram of the AVR Architecture" on page 7 - Figure 8-1 "Reset Logic" on page 37 - Figure 14-1 "Universal Serial Interface, Block Diagram" on page 116, USIDB -> USIBR - Figure 19-5 "High-voltage Serial Programming Waveforms" on page 169 6. Updated Tables: - Table 19-11, "Minimum Wait Delay Before Writing the Next Flash or EEPROM Location," on page 164, updated value for tWD_ERASE
9.2
Rev. 8183A - 12/08
1. Initial revision. Created from document 8006H. 2. Updated "Ordering Information" on page 18 and page 18. Pb-plated packages are no longer offered and there are no separate ordering codes for commercial operation range, the only available option now is industrial. Also, updated some order codes to reflect changes in leadframe composition and added VQFN package option. 3. Updated data sheet template. 4. Removed all references to 8K device. 5. Updated characteristic plots of section "Typical Characteristics", starting on page 182. 6. Added characteristic plots: - "Internal Bandgap Voltage vs. Supply Voltage" on page 233 - "Internal Bandgap Voltage vs. Temperature" on page 233 7. Updated sections: - "Features" on page 1 - "Power Reduction Register" on page 34 - "Analog Comparator" on page 128 - "Features" on page 132 - "Operation" on page 133 - "Starting a Conversion" on page 134 - "ADC Voltage Reference" on page 139
19
8183BS-AVR-03/10
- "Speed Grades" on page 174 8. Updated Figures: - "Program Memory Map" on page 15 - "Data Memory Map" on page 16 9. Update Tables: - "Device Signature Bytes" on page 161 - "DC Characteristics. TA = -40C to +85C" on page 173 - "Additional Current Consumption for the different I/O modules (absolute values)" on page 182 - "Additional Current Consumption (percentage) in Active and Idle mode" on page 183
20
ATtiny24A/44A
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21
8183BS-AVR-03/10
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
Disclaimer: The information in this document is provided in connection with Atmel products. No license, express or implied, by estoppel or otherwise, to any intellectual property right is granted by this document or in connection with the sale of Atmel products. EXCEPT AS SET FORTH IN ATMEL'S TERMS AND CONDITIONS OF SALE LOCATED ON ATMEL'S WEB SITE, ATMEL ASSUMES NO LIABILITY WHATSOEVER AND DISCLAIMS ANY EXPRESS, IMPLIED OR STATUTORY WARRANTY RELATING TO ITS PRODUCTS INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, CONSEQUENTIAL, PUNITIVE, SPECIAL OR INCIDENTAL DAMAGES (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF THE USE OR INABILITY TO USE THIS DOCUMENT, EVEN IF ATMEL HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Atmel makes no representations or warranties with respect to the accuracy or completeness of the contents of this document and reserves the right to make changes to specifications and product descriptions at any time without notice. Atmel does not make any commitment to update the information contained herein. Unless specifically provided otherwise, Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel's products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life.
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8183BS-AVR-03/10

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