AT83R5122 ， AT8xC5122 / 23

Registers........................................................................................................... 160

中断源和载体.............................................. ............................ 169

单片机复位................................................ ....................... 170

介绍.......................................................................................................

上电复位（ POR ） ............................................ ........................................

电源故障检测器（ PFD ） ............................................ ....................................

重置pin...........................................................................................................

看门狗定时器................................................ ...............................................

170

171

171

173

175

电源管理................................................ .......................... 178

空闲模式..........................................................................................................

掉电模式............................................... ............................................

降低EMI模式............................................... ...........................................

USB接口................................................ .................................................. 。

智能卡接口............................................... .........................................

键盘接口................................................ ...........................................

在掉电和空闲模式下看门狗定时器........................................

Registers...........................................................................................................

178

178

179

180

181

182

182

183

电气特性................................................ ................. 184

绝对最大额定值............................................... ............................... 184

DC参数................................................ ................................................. 184

LED灯................................................................................................................186

智能卡接口............................................... ......................................... 187

USB接口................................................ .................................................. 。 190

AC参数................................................ ................................................. 191

浮Waveforms............................................................................................... 197

包装信息................................................ ..................... 199

订购信息................................................ ......................................... 199

数据表修订历史............................................... .............. 204

改变从4202A到4202B ............................................. ........................... 204

改变从4202B到4202C ............................................. ........................... 204

从4202C更改4202D ............................................. ........................... 204

从4202D更改4202E ............................................. ........................... 204

改变从4202E到4202F ............................................. ............................ 204

目录............................................... .............................. 205

207

4202F–SCR–07/2008