AT89C51AC3

PCA中断...................................................................................................... 96

PCA捕捉模式............................................... .............................................. 96

16位软件定时器模式............................................ ................................... 97

高速输出模式.............................................. ..................................... 98

脉宽调制器方式.............................................. ................................ 98

PCA看门狗定时器............................................... ......................................... 99

PCA寄存器................................................ .................................................. 100

模拟数字转换器（ ADC ） ......................................... ........ 105

Features............................................................................................................

ADC端口1的I / O功能............................................ ......................................

ADC转换器操作............................................... ..................................

电压转换................................................ ..........................................

时钟选择................................................ .................................................

ADC待机模式............................................... ...........................................

IT ADC管理............................................... .........................................

程序示例................................................ ...........................................

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

105

105

107

107

107

108

108

108

110

中断系统................................................ .............................. 113

介绍....................................................................................................... 113

Registers........................................................................................................... 115

电气特性................................................ ................ 121

绝对最大额定值............................................... ............................... 121

DC参数标准电压............................................. ................... 121

DC参数进行A / D转换器........................................... ......................... 123

AC参数................................................ .................................................. 124

订购信息................................................ ....................... 134

封装图................................................ ............................. 135

VQFP44 ............................................................................................................

PLCC44 ............................................................................................................

VQFP64 ............................................................................................................

PLCC52 ............................................................................................................

135

136

137

138

数据更改日志............................................... ..................... 139

从4383A的变化10/04 - 01/05 4383B ....................................... ............... 139

3

4383B–8051–01/05