Datasheet
Table Of Contents
- Features
- Pin Configuration
- Description
- Architectural Overview
- General-purpose Register File
- ALU – Arithmetic Logic Unit
- Flash Program Memory
- Program and Data Addressing Modes
- Subroutine and Interrupt Hardware Stack
- EEPROM Data Memory
- Memory Access and Instruction Execution Timing
- I/O Memory
- Reset and Interrupt Handling
- ATtiny12 Internal Voltage Reference
- Interrupt Handling
- Sleep Modes for the ATtiny11
- Sleep Modes for the ATtiny12
- ATtiny12 Calibrated Internal RC Oscillator
- Timer/Counter0
- Watchdog Timer
- ATtiny12 EEPROM Read/Write Access
- Analog Comparator
- I/O Port B
- Memory Programming
- Program (and Data) Memory Lock Bits
- Fuse Bits in ATtiny11
- Fuse Bits in ATtiny12
- Signature Bytes
- Calibration Byte in ATtiny12
- Programming the Flash and EEPROM
- High-voltage Serial Programming
- High-voltage Serial Programming Algorithm
- High-voltage Serial Programming Characteristics
- Low-voltage Serial Downloading (ATtiny12 only)
- Low-voltage Serial Programming Characteristics
- Electrical Characteristics
- Register Summary ATtiny11
- Register Summary ATtiny12
- Instruction Set Summary
- Ordering Information
- Packaging Information
- Data Sheet Change Log for ATtiny11/12
- Table of Contents
ii
ATtiny11/12
1006D–AVR–07/03
High-voltage Serial Programming Algorithm....................................................... 49
High-voltage Serial Programming Characteristics .............................................. 52
Low-voltage Serial Downloading (ATtiny12 only) ............................................... 52
Low-voltage Serial Programming Characteristics............................................... 56
Electrical Characteristics................................................................... 57
Absolute Maximum Ratings ................................................................................ 57
DC Characteristics – Preliminary Data ............................................................... 57
External Clock Drive Waveforms ........................................................................ 59
External Clock Drive ATtiny11 ............................................................................ 59
External Clock Drive ATtiny12 ............................................................................ 59
ATtiny11 Typical Characteristics ........................................................................ 60
ATtiny12 Typical Characteristics ........................................................................ 72
Register Summary ATtiny11.............................................................. 81
Register Summary ATtiny12.............................................................. 82
Instruction Set Summary ................................................................... 83
Ordering Information.......................................................................... 85
Packaging Information....................................................................... 86
8P3 ..................................................................................................................... 86
8S2 ..................................................................................................................... 87
Data Sheet Change Log for Chip Number........................................ 88
Changes from Rev. 1006C-09/01 to Rev. 1006D-07/03..................................... 88
Table of Contents .................................................................................. i