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位置:首页 > IC型号导航 > 首字符U型号页 > 首字符U的型号第255页 > UPD78F0471 > UPD78F0471 PDF资料 > UPD78F0471 PDF资料1第12页
5.4.1 X1 oscillator....................................................................................................................................161
5.4.2 XT1振荡器.................................................................................................................................161
5.4.3当子系统时钟没有使用......................................... .................................................. ..... 164
5.4.4内部高速振荡器.........................................................................................................164
5.4.5内部低速oscillator...........................................................................................................164
5.4.6 Prescaler........................................................................................................................................164
5.5时钟发生器操作....................................................................................................... 165
5.6控制Clock........................................................................................................................ 168
控制高速系统时钟5.6.1为例....................................... ..................................... 168
控制内部高速振荡时钟5.6.2示例...................................... ..................... 170
控制子系统时钟5.6.3为例.......................................... ............................................... 172
控制内部低速振荡时钟5.6.4示例...................................... ...................... 174
5.6.5时钟提供给CPU和外围硬件........................................ .................................. 174
5.6.6 CPU时钟状态转换图.......................................... .................................................. ..175
改变CPU时钟和加工改变CPU时钟前后5.6.7条件......................... 180
5.6.8所需的时间为CPU时钟和主系统时钟切换.................................... ........... 181
5.6.9条件之前,时钟振荡停止......................................... ....................................... 182
5.6.10外部硬件与源时钟.......................................... ............................................. 183
第六章16位定时器/事件计数器00 ........................................ ................................... 184
6.1
6.2
6.3
6.4
16位定时器功能/计数器00 ........................................ ................................... 184
16位定时器配置/事件计数器00 ........................................ ............................. 185
控制寄存器的16位定时器/计数器00 ........................................ .................... 190
16位定时器操作/事件计数器00 ........................................ ................................... 199
6.4.1间隔定时器操作..................................................................................................................199
6.4.2方波输出操作.......................................................................................................202
6.4.3外部事件计数器操作...................................................................................................205
6.4.4操作清晰&启动模式通过TI000引脚有效沿输入进入.................................. ........ 209
6.4.5自由运行定时器operation..........................................................................................................222
6.4.6 PPG输出operation.....................................................................................................................231
6.4.7单脉冲输出操作....................................................................................................234
6.4.8脉冲宽度测量操作........................................... .................................................. 0.239
6.4.9外部24位事件计数器操作........................................ ................................................. 247
6.4.10注意事项外部24位事件计数器....................................... ............................................ 251
6.5特殊用途的TM00................................................................................................................... 253
6.5.1 TM00操作期间重写CR010 .......................................... ............................................. 253
6.5.2设置LVS00和LVR00 .............................................................................................................253
6.6注意事项16位定时器/计数器....................................... 00 ..................................... 255
第七章8位定时器/计数器50 , 51 ,和52 ................................... ................ 260
7.1功能的8位定时器/事件计数器50 , 51 ,和52 .................................. ...................... 260
7.2配置的8位定时器/事件计数器50 , 51 ,和52 .................................. ............... 260
7.3控制8位定时器/事件计数器50 , 51 ,和52 .................................. 264 .......
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