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ATtiny102/ATtiny104 Complete 8-bit AVR Microcontroller
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ATtiny102
ATtiny104
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8
AVR CPU Core
8.12
Register Description
8-bit AVR Microcontroller
Introduction
Feature
1
Description
2
Configuration Summary
3
Ordering Information
4
Block Diagram
5
Pin Configurations
6
I/O Multiplexing
7
General Information
8
AVR CPU Core
8.1
Overview
8.2
Features
8.3
Block Diagram
8.4
ALU – Arithmetic Logic Unit
8.5
Status Register
8.6
General Purpose Register File
8.7
The X-register, Y-register, and Z-register
8.8
Stack Pointer
8.9
Accessing 16-bit Registers
8.10
Instruction Execution Timing
8.11
Reset and Interrupt Handling
8.12
Register Description
8.12.1
Configuration Change Protection Register
Configuration Change Protection Register
8.12.2
Stack Pointer Register Low and High byte
Stack Pointer Register Low and High byte
8.12.3
Status Register
Status Register
9
AVR Memories
10
Clock System
11
Power Management and Sleep Modes
12
SCRST - System Control and Reset
13
Interrupts
14
I/O-Ports
15
USART - Universal Synchronous Asynchronous Receiver Transceiver
16
USARTSPI - USART in SPI Mode
17
TC
0
- 16-bit Timer/Counter
0
with PWM
18
AC - Analog Comparator
19
ADC - Analog to Digital Converter
20
MEMPROG- Memory Programming
21
TPI-Tiny Programming Interface
22
Electrical Characteristics
23
Typical Characteristics
24
Register Summary
25
Instruction Set Summary
26
Packaging Information
27
Errata
28
Datasheet Revision History
Legal Disclaimer
8.12 Register Description