第16章等待控制器

16.1纲要等待控制器............................................ .......................... 16-2

16.2等待控制器相关的寄存器............................................. .................. 16-4

16.2.1等待周期控制寄存器（ WTCCR ） ...................................... 16五

等待控制器16.3典型操作........................................... ......... 16-6

第17章RAM备份模式

17.1纲要的RAM备份模式............................................ .......................... 17-2

当电源下......................................... RAM备份17.2例17-2

17.2.1正常运行状态............................................ ................... 17-3

17.2.2 RAM备份状态............................................ .......................... 17-4

RAM备份节约电力消耗....................... 17-5的17.3例

17.3.1正常运行状态............................................ ................... 17-6

17.3.2 RAM备份状态............................................ .......................... 17-7

17.3.3注意事项将在上电................................... 17-8观察

17.4退出RAM备份模式（唤醒） .......................................... ............... 17-9

第18章振荡电路

18.1振荡器电路............................................... ............................................ 18-2

一个振荡器电路18.1.1示例.......................................... ......... 18-2

18.1.2系统时钟输出功能........................................... ......... 18-3

18.1.3振荡稳定时间在上电.................................. 18-4

18.2时钟发生器电路.............................................. .................................. 18-5

第19章JTAG

19.1纲要JTAG的.............................................. ............................................... 19-2

19.2配置的JTAG电路............................................ ................... 19-3

19.3 JTAG寄存器............................................... .............................................. 19-4

19.3.1指令寄存器（ JTAGIR ） .......................................... ............ 19-4

19.3.2数据寄存器............................................. ................................ 19-5

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