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 4/394 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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13.4. Low-frequency Crystal Oscillator................................................................................................47
13.5. External RC Oscillator................................................................................................................ 48
13.6. Calibrated Internal RC Oscillator................................................................................................48
13.7. External Clock............................................................................................................................ 49
13.8. Timer/Counter Oscillator.............................................................................................................50
13.9. Register Description................................................................................................................... 50
14. Power Management and Sleep Modes................................................................... 52
14.1. Sleep Modes...............................................................................................................................52
14.2. Idle Mode....................................................................................................................................53
14.3. ADC Noise Reduction Mode.......................................................................................................53
14.4. Power-down Mode......................................................................................................................53
14.5. Power-save Mode.......................................................................................................................53
14.6. Standby Mode............................................................................................................................ 54
14.7. Minimizing Power Consumption................................................................................................. 54
14.8. Register Description................................................................................................................... 55
15. System Control and Reset.......................................................................................57
15.1. Resetting the AVR...................................................................................................................... 57
15.2. Reset Sources............................................................................................................................57
15.3. Internal Voltage Reference.........................................................................................................60
15.4. Watchdog Timer......................................................................................................................... 61
15.5. Timed Sequences for Changing the Configuration of the Watchdog Timer............................... 61
15.6. Register Description................................................................................................................... 62
16. Interrupts................................................................................................................. 66
16.1. Interrupt Vectors in ATmega8A...................................................................................................66
16.2. Register Description................................................................................................................... 70
17. External Interrupts................................................................................................... 73
17.1. Register Description................................................................................................................... 73
18. I/O Ports.................................................................................................................. 77
18.1. Overview.....................................................................................................................................77
18.2. Ports as General Digital I/O........................................................................................................78
18.3. Alternate Port Functions.............................................................................................................81
18.4. Register Description................................................................................................................... 90
19. 8-bit Timer/Counter0..............................................................................................101
19.1. Features................................................................................................................................... 101
19.2. Overview...................................................................................................................................101
19.3. Timer/Counter Clock Sources.................................................................................................. 102
19.4. Counter Unit............................................................................................................................. 102
19.5. Operation..................................................................................................................................103
19.6. Timer/Counter Timing Diagrams...............................................................................................103
19.7. Register Description................................................................................................................. 103
20. Timer/Counter0 and Timer/Counter1 Prescalers...................................................108
20.1. Overview...................................................................................................................................108
Atmel ATmega8A [DATASHEET]
Atmel-8159F-8-bit AVR Microcontroller_Datasheet_Complete-09/2015
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