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 5/394 页
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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
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20.2. Internal Clock Source............................................................................................................... 108
20.3. Prescaler Reset........................................................................................................................108
20.4. External Clock Source..............................................................................................................108
20.5. Register Description................................................................................................................. 109
21. 16-bit Timer/Counter1............................................................................................ 111
21.1. Features....................................................................................................................................111
21.2. Overview...................................................................................................................................111
21.3. Accessing 16-bit Registers....................................................................................................... 113
21.4. Timer/Counter Clock Sources...................................................................................................116
21.5. Counter Unit..............................................................................................................................116
21.6. Input Capture Unit.....................................................................................................................117
21.7. Output Compare Units..............................................................................................................119
21.8. Compare Match Output Unit.....................................................................................................121
21.9. Modes of Operation..................................................................................................................122
21.10. Timer/Counter Timing Diagrams.............................................................................................. 130
21.11. Register Description................................................................................................................. 131
22. 8-bit Timer/Counter2 with PWM and Asynchronous Operation............................. 147
22.1. Features................................................................................................................................... 147
22.2. Overview...................................................................................................................................147
22.3. Timer/Counter Clock Sources.................................................................................................. 148
22.4. Counter Unit............................................................................................................................. 148
22.5. Output Compare Unit................................................................................................................149
22.6. Compare Match Output Unit.....................................................................................................151
22.7. Modes of Operation..................................................................................................................152
22.8. Timer/Counter Timing Diagrams...............................................................................................156
22.9. Asynchronous Operation of the Timer/Counter........................................................................ 158
22.10. Timer/Counter Prescaler.......................................................................................................... 159
22.11. Register Description................................................................................................................. 160
23. SPI – Serial Peripheral Interface........................................................................... 170
23.1. Features................................................................................................................................... 170
23.2. Overview...................................................................................................................................170
23.3. SS Pin Functionality................................................................................................................. 173
23.4. Data Modes.............................................................................................................................. 174
23.5. Register Description................................................................................................................. 175
24. USART - Universal Synchronous and Asynchronous serial Receiver and
Transmitter.............................................................................................................180
24.1. Features................................................................................................................................... 180
24.2. Overview...................................................................................................................................180
24.3. Clock Generation......................................................................................................................182
24.4. Frame Formats.........................................................................................................................185
24.5. USART Initialization..................................................................................................................186
24.6. Data Transmission – The USART Transmitter......................................................................... 187
24.7. Data Reception – The USART Receiver.................................................................................. 190
24.8. Asynchronous Data Reception.................................................................................................193
24.9. Multi-Processor Communication Mode.....................................................................................196
Atmel ATmega8A [DATASHEET]
Atmel-8159F-8-bit AVR Microcontroller_Datasheet_Complete-09/2015
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