标签: C8051F020123

1.系统概述.......................................................................................................................................81.1CIP-51TMCPU.....................................................................................................................131.1.1与8051完全兼容.............................................................................................................131.1.2速度提高..........................................................................................................................131.1.3增加的功能.......................................................................................................................141.2片内存储器.............................................................................................................................151.3JTAG调试和边界扫描............................................................................................................161.4可编程数字I/O和交叉开关..................................................................................................171.5可编程计数器阵列..................................................................................................................181.6串行端口................................................................................................................................181.712位模/数转换器.................................................................................................................191.88位模/数转换器...................................................................................................................201.9比较器和DAC........................................................................................................................212.极限参数......................................................................................................................................223.总体直流电气特性.......................................................................................................................234.引脚和封装定义...........................................................................................................................245.ADC0（12位，只限于C8051F020/1）...................................................................................335.1模拟多路开关和PGA.............................................................................................................335.2ADC的工作方式..................................................................................................................345.2.1启动转换........................................................................................................................345.2.2跟踪方式........................................................................................................................355.2.3建立时间要求.................................................................................................................365.3ADC0可编程窗口检测器....................................................................................................436.ADC0（10位，只限于C8051F022/3）...................................................................................496.1模拟多路开关和PGA.............................................................................................................496.2ADC的工作方式..................................................................................................................506.2.1启动转换........................................................................................................................506.2.2跟踪方式........................................................................................................................516.2.3建立时间要求.................................................................................................................526.3ADC0可编程窗口检测器....................................................................................................597.ADC1（8位ADC）..................................................................................................................657.1模拟多路开关和PGA.............................................................................................................657.2ADC1的工作方式................................................................................................................667.2.1启动转换........................................................................................................................66