Datasheet 搜索 > 8位微控制器 > ATMEL（爱特美尔） > ATMEGA8A-AU 数据手册 > ATMEGA8A-AU 用户编程技术手册 3/394 页
器件3D模型￥ 7.191
ATMEGA8A-AU 用户编程技术手册 - ATMEL（爱特美尔）
制造商:
ATMEL（爱特美尔）
分类:
8位微控制器
封装:
TQFP-32
描述:
ATMEL ATMEGA8A-AU 微控制器, 8位, 低功率高性能, ATmega, 16 MHz, 8 KB, 1 KB, 32 引脚, TQFP
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P13P15P79P101P111P112P147P170P173P181P243Hot
原理图在P12P25P77P101P102P112P116P118P120P122P147P149
封装尺寸在P387P388P389
型号编码规则在P11P393
封装信息在P11P387
技术参数、封装参数在P302P312
应用领域在P57P67P71P266P270P283P284P394
电气规格在P73P77P78P302P312
导航目录
ATMEGA8A-AU数据手册
Page:
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Table of Contents
Introduction......................................................................................................................1
Features.......................................................................................................................... 1
1. Description.................................................................................................................9
2. Configuration Summary...........................................................................................10
3. Ordering Information................................................................................................ 11
4. Block Diagram......................................................................................................... 12
5. Pin Configurations................................................................................................... 13
5.1. Pin Descriptions..........................................................................................................................15
5.2. Accessing 16-bit Registers.........................................................................................................17
6. I/O Multiplexing........................................................................................................20
7. Resources................................................................................................................21
8. Data Retention.........................................................................................................22
9. About Code Examples.............................................................................................23
10. Capacitive Touch Sensing....................................................................................... 24
11. AVR CPU Core........................................................................................................ 25
11.1. Overview.....................................................................................................................................25
11.2. ALU – Arithmetic Logic Unit........................................................................................................26
11.3. Status Register...........................................................................................................................26
11.4. General Purpose Register File................................................................................................... 28
11.5. Stack Pointer.............................................................................................................................. 29
11.6. Instruction Execution Timing...................................................................................................... 30
11.7. Reset and Interrupt Handling..................................................................................................... 31
12. AVR Memories.........................................................................................................33
12.1. Overview.....................................................................................................................................33
12.2. In-System Reprogrammable Flash Program Memory................................................................33
12.3. SRAM Data Memory...................................................................................................................34
12.4. EEPROM Data Memory............................................................................................................. 35
12.5. I/O Memory.................................................................................................................................36
12.6. Register Description................................................................................................................... 37
13. System Clock and Clock Options............................................................................ 44
13.1. Clock Systems and their Distribution..........................................................................................44
13.2. Clock Sources............................................................................................................................ 45
13.3. Crystal Oscillator........................................................................................................................ 46
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