ATTINY12-8SU Atmel, ATTINY12-8SU Datasheet - Page 92

• Manufacturer Part Number: ATTINY12-8SU
• Description: Microcontrollers (MCU) AVR 1K FLASH 64B EE 5V 8MHZ
• Manufacturer: Atmel

Specifications of ATTINY12-8SU

• Processor Series: ATTINY1x
• Core: AVR8
• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 1 KB
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 6
• Number Of Timers: 1
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500
• Minimum Operating Temperature: - 40 C
• Cpu Family: ATtiny
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 8MHz
• Interface Type: SPI
• # I/os (max): 6
• Number Of Timers - General Purpose: 1
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 8
• Package Type: SOIC EIAJ
• Lead Free Status / Rohs Status: Details

Table of Contents
1006F–AVR–06/07
Features................................................................................................. 1
Pin Configuration.................................................................................. 1
Description ............................................................................................ 2
Architectural Overview......................................................................... 8
Timer/Counter0 ................................................................................... 33
Watchdog Timer.................................................................................. 36
ATtiny12 EEPROM Read/Write Access............................................. 38
Analog Comparator ............................................................................ 41
I/O Port B ............................................................................................. 43
Memory Programming........................................................................ 46
ATtiny11 Block Diagram ....................................................................................... 2
ATtiny12 Block Diagram ....................................................................................... 4
Pin Descriptions.................................................................................................... 5
Clock Options ....................................................................................................... 5
General-purpose Register File.............................................................................. 9
ALU – Arithmetic Logic Unit................................................................................ 10
Flash Program Memory ...................................................................................... 10
Program and Data Addressing Modes................................................................ 10
Subroutine and Interrupt Hardware Stack .......................................................... 12
EEPROM Data Memory...................................................................................... 13
Memory Access and Instruction Execution Timing ............................................. 13
I/O Memory ......................................................................................................... 14
Reset and Interrupt Handling.............................................................................. 15
ATtiny12 Internal Voltage Reference.................................................................. 24
Interrupt Handling ............................................................................................... 25
Sleep Modes for the ATtiny11 ............................................................................ 31
Sleep Modes for the ATtiny12 ............................................................................ 31
ATtiny12 Calibrated Internal RC Oscillator ......................................................... 32
Timer/Counter Prescaler..................................................................................... 33
Prevent EEPROM Corruption ............................................................................. 40
Program (and Data) Memory Lock Bits .............................................................. 46
Fuse Bits in ATtiny11.......................................................................................... 46
Fuse Bits in ATtiny12.......................................................................................... 46
Signature Bytes .................................................................................................. 47
Calibration Byte in ATtiny12 ............................................................................... 47
Programming the Flash and EEPROM............................................................... 47
High-voltage Serial Programming....................................................................... 48
ATtiny11/12
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