ATTINY48 View Datasheet(PDF) - Atmel Corporation
Part Name
Description
Manufacturer
ATTINY48 Datasheet PDF : 298 Pages
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ATtiny48/88
Table of Contents
Features ..................................................................................................... 1
1 Pin Configurations ................................................................................... 2
1.1 Pin Descriptions .................................................................................................3
2 Overview ................................................................................................... 5
2.1 Block Diagram ...................................................................................................5
2.2 Comparison Between ATtiny48 and ATtiny88 ...................................................6
3 General Information ................................................................................. 7
3.1 Resources .........................................................................................................7
3.2 About Code Examples .......................................................................................7
3.3 Data Retention ...................................................................................................7
3.4 Disclaimer ..........................................................................................................7
4 AVR CPU Core .......................................................................................... 8
4.1 Introduction ........................................................................................................8
4.2 Architectural Overview .......................................................................................8
4.3 ALU – Arithmetic Logic Unit ...............................................................................9
4.4 Status Register ..................................................................................................9
4.5 General Purpose Register File ........................................................................11
4.6 Stack Pointer ...................................................................................................12
4.7 Instruction Execution Timing ...........................................................................13
4.8 Reset and Interrupt Handling ...........................................................................13
5 Memories ................................................................................................ 16
5.1 In-System Reprogrammable Flash Program Memory .....................................16
5.2 SRAM Data Memory ........................................................................................17
5.3 EEPROM Data Memory ..................................................................................18
5.4 I/O Memory ......................................................................................................21
5.5 Register Description ........................................................................................22
6 System Clock and Clock Options ......................................................... 25
6.1 Clock Systems and their Distribution ...............................................................25
6.2 Clock Sources .................................................................................................26
6.3 Calibrated Internal Oscillator ...........................................................................27
6.4 128 kHz Internal Oscillator ..............................................................................28
6.5 External Clock .................................................................................................29
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8008F–AVR–06/10
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