ATTIny13-12PI ATMEL Corporation, ATTIny13-12PI Datasheet - Page 165

• Manufacturer Part Number: ATTIny13-12PI
• Description: 8-bit AVR Microcontroller with 1K Bytes In-System Programmable Flash
• Manufacturer: ATMEL Corporation

Table of Contents
2535B–AVR–01/04
Features................................................................................................ 1
Pin Configurations............................................................................... 1
Overview ............................................................................................... 2
About Code Examples......................................................................... 3
AVR CPU Core ..................................................................................... 4
AVR ATtiny13 Memories ................................................................... 12
System Clock and Clock Options .................................................... 20
Power Management and Sleep Modes............................................. 26
System Control and Reset ................................................................ 29
Block Diagram ...................................................................................................... 2
Pin Descriptions.................................................................................................... 3
Introduction ........................................................................................................... 4
Architectural Overview.......................................................................................... 4
ALU – Arithmetic Logic Unit.................................................................................. 5
Status Register ..................................................................................................... 6
General Purpose Register File ............................................................................. 7
Stack Pointer ........................................................................................................ 8
Instruction Execution Timing................................................................................. 9
Reset and Interrupt Handling................................................................................ 9
In-System Re-programmable Flash Program Memory ....................................... 12
SRAM Data Memory........................................................................................... 13
EEPROM Data Memory...................................................................................... 14
I/O Memory ......................................................................................................... 19
Clock Systems and their Distribution .................................................................. 20
Clock Sources..................................................................................................... 21
Default Clock Source .......................................................................................... 21
Calibrated Internal RC Oscillator ........................................................................ 22
External Clock..................................................................................................... 23
128 kHz Internal Oscillator.................................................................................. 24
System Clock Prescaler...................................................................................... 24
Idle Mode ............................................................................................................ 27
ADC Noise Reduction Mode............................................................................... 27
Power-down Mode.............................................................................................. 27
Minimizing Power Consumption ......................................................................... 28
Internal Voltage Reference ................................................................................. 34
Watchdog Timer ................................................................................................. 35
ATtiny13
i