对AD7190的读写操作程序（C51源码)-Reading and writing of the AD7190 operating procedures (C51 source)

带片内环境校准的电容/数字转换器(CDC)转换速率30Hz,优于1fP的分辨率,能和外接电容传感器接口,有14个输入,可通过开关阵列改变成16位240kHz Sigma-Delta电容/数字转换器-With on-chip environmental calibration of the capacitor/digital converter (CDC) conversion rate of 30Hz, better than 1fP resolution, energy and externa