11.2.1 A口数据方向寄存器（ PADDR ） ....................................... ....................
11.2.2端口A数据寄存器（ PADR ） ........................................ ......................................
11.2.3端口B数据方向寄存器（ PBDDR ） ....................................... ....................
11.2.4端口B数据寄存器（ PBDR ） ........................................ ......................................
11.2.5下一页数据寄存器A（国家药品管理机构） ........................................ ....................................
11.2.6下一页数据寄存器B（ NDRB ） ........................................ .....................................
11.2.7下一页数据使能寄存器A（ NDERA ） ....................................... .......................
11.2.8下一页数据使能寄存器B（ NDERB ） ....................................... .......................
11.2.9 TPC输出控制寄存器（ TPCR ） ........................................ .........................
11.2.10 TPC输出模式寄存器（ TPMR ） ........................................ ...........................
11.3操作..........................................................................................................................
11.3.1 Overview..............................................................................................................
11.3.2输出Timing......................................................................................................
11.3.3正常TPC输出............................................ .................................................
11.3.4非重叠TPC输出.......................................... ...................................
11.3.5 TPC输出输入捕捉触发......................................... ...................
11.4使用注意事项......................................................................................................................
11.4.1操作的TPC输出引脚.......................................... ...................................
11.4.2注意非重叠输出......................................... ...............................
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第12看门狗定时器
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12.1 Overview...........................................................................................................................
12.1.1 Features................................................................................................................
12.1.2块Diagram.....................................................................................................
12.1.3引脚Configuration.................................................................................................
12.1.4注册Configuration.........................................................................................
12.2寄存器描述........................................................................................................
12.2.1定时器计数器（ TCNT ） .......................................... ..............................................
12.2.2定时器控制/状态寄存器（ TCSR ） ....................................... .........................
12.2.3复位控制/状态寄存器（ RSTCSR ） ....................................... .....................
对寄存器访问12.2.4注意事项........................................... ..........................................
12.3操作..........................................................................................................................
12.3.1看门狗定时器操作............................................ .....................................
12.3.2间隔定时器操作............................................ .........................................
12.3.3定时设置溢出标志的（ OVF ） ..................................... ...................
12.3.4定时设定的看门狗定时器的复位位（ WRST ） .................................
12.4中断...........................................................................................................................
12.5使用注意事项......................................................................................................................
12.6注意事项.................................................................................................................................
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牧师7.00 2005年9月21日第xxiv页的十八
