C8051F340单片机中实现读取片上温度传感器、外接光线传感器(p1.1)通过ADC，并编码为AMI码由P2.2、P2.3输出的程序，可以作为传感器使用的参考。-The C8051F340 MCU implemented read on-chip temperature sensor, an external light sensor (p1.1) by ADC, and encoded into the AMI code by P2.2, P2.3 output procedures, reference can be used as a sensor.