XMEGA A3

10.2Overview ................................................................................................................17

10.3Clock选项........................................................................................................18

11电源管理及睡眠模式............................................ ..... 20

11.1Features ................................................................................................................20

11.2Overview ................................................................................................................20

11.3Sleep模式..........................................................................................................20

12系统控制和复位............................................. ....................... 22

12.1Features ................................................................................................................22

12.2Resetting的AVR .............................................. .................................................. 0.22

12.3Reset来源.......................................................................................................22

12.4WDT -

看门狗

定时器................................................. ........................................ 23

13 PMIC - 可编程多级中断控制器....................... 24

13.1Features ................................................................................................................24

13.2Overview ................................................................................................................24

13.3Interrupt载体.....................................................................................................24

14个I / O端口............................................. .................................................. ... 26

14.1Features ................................................................................................................26

14.2Overview ................................................................................................................26

14.3I / O配置....................................................................................................26

14.4Input传感.........................................................................................................29

14.5Port中断..........................................................................................................29

14.6Alternate端口功能.............................................. .......................................... 29

15 T / C - 16位定时器/计数器， PWM ..................................... ............ 30

15.1Features ................................................................................................................30

15.2Overview ................................................................................................................30

16 AWEX - 高级波形扩展............................................ 32

16.1Features ................................................................................................................32

16.2Overview ................................................................................................................32

17高分辨率 - 高分辨率扩展.......................................... ........... 33

17.1Features ................................................................................................................33

17.2Overview ................................................................................................................33

18 RTC - 实时计数器........................................... ............................ 34

18.1Features ................................................................................................................34

ii

8068E–AVR–08/08