5.4.1

5.4.2

5.4.3

5.4.4

5.4.5

X1振荡器..................................................................................................................................126

系统时钟oscillator............................................................................................................126

当子系统时钟不used...............................................................................................129

环形振荡器OSC ......................................................................................................................129

Prescaler.......................................................................................................................................129

5.5

5.6

5.7

5.8

时钟发生器操作..................................................................................................... 130

所需的时间之间切换内部振荡时钟和X1输入时钟........................... 137

所需的时间CPU时钟切换............................................ ................................. 138

时钟切换流程和寄存器设置............................................ ..................... 139

5.8.1

5.8.2

5.8.3

5.8.4

5.8.5

从内部振荡时钟切换到X1输入时钟........................................ ................................. 139

从X1输入时钟切换到内部振荡时钟........................................ ................................. 140

从X1输入时钟切换到子系统时钟.......................................... .............................. 141

从子系统时钟切换到X1输入时钟.......................................... .............................. 142

寄存器的设置...........................................................................................................................143

第六章16位定时器/事件计数器00和01 ...................................... ................... 144

6.1功能的16位定时器/事件计数器00和01 ..................................... ...................... 144

6.2配置的16位定时器/事件计数器00和01 ..................................... ............... 145

6.3控制寄存器的16位定时器/事件计数器00和01 ..................................... ...... 150

16位定时器/事件6.4操作计数器00和01 ..................................... ...................... 160

6.4.1

6.4.2

6.4.3

6.4.4

6.4.5

6.4.6

间隔定时器操作.................................................................................................................160

PPG输出操作.................................................................................................................163

脉冲宽度测量操作.............................................. ............................................. 166

外部事件计数器操作..................................................................................................174

方波输出operation......................................................................................................177

单脉冲输出operation...................................................................................................179

6.5

注意事项16位定时器/事件计数器00和01 ...................................... ..................... 184

第七章8位定时器/事件计数器50和51 ...................................... ..................... 187

7.1

7.2

7.3

7.4

8位定时器/事件计数器功能50和51 ...................................... ....................... 187

8位定时器/事件计数器配置50和51 ...................................... ................ 189

控制8位定时器/事件计数器50和51 ...................................... ....... 191

8位定时器/事件计数器操作50和51 ...................................... ..................... 196

7.4.1

7.4.2

7.4.3

7.4.4

操作区间timer............................................................................................................196

用作外部事件计数器............................................. ................................................ 198

方波输出operation......................................................................................................199

PWM输出操作..................................................................................................................200

7.5

注意事项8位定时器/事件计数器50和51 ...................................... ....................... 204

第八章8位定时器H0和H1 ......................................... ................................................. 205

8.1功能的8位定时器H0和H1 ........................................ ............................................. 205

8.2 8位定时器H0和H1 ........................................ ....................................... 205

8.3控制8位定时器H0和H1 ........................................ .............................. 209

8.4 8位定时器H0和H1的操作........................................ ............................................. 214

8.4.1

操作间隔定时器/方波输出......................................... .................................. 214

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