目录

目录

1一般Description····························································································1

2 Features···············································································································1

2.1

2.2

中央处理器

········································································································································1

Applications·····························································································································2

3针Assignment···································································································3

4针Description····································································································3

4功能说明

··························································································5

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

4.9

功能块Diagram·······································································································5

工作寄存器

················································································································6

特殊用途Registers····································································································23

CPU运行模式

···········································································································27

AD转换器

························································································································29

时基定时器和如Keytone发电机

············································································31

UART（通用异步Receiver/Transmitter)························································33

SPI （串行外设接口）

···························································································36

定时器/计数器2

····················································································································40

4.10定时器/计数器3

····················································································································42

4.11定时器/计数器4

····················································································································44

4.12 TCC / WDT & Prescaler··········································································································46

4.13 I / O Ports································································································································47

4.14 RESET和Wake-up············································································································47

4.15 Interrupt·································································································································54

4.16振荡器

·······························································································································55

4.17代码选项寄存器

···········································································································58

4.18电源的注意事项

·····································································································59

4.19指令集

·······················································································································61

产品规格（ V1.0 ） 2005年7月26日

iii