这是调用TLC549的汇编程序（STLC549.ASM）的C51程序, *//* 文件名CALLT549.C *//* 功能：本程序主要是读出输入通道ANALOG IN的 *//* 模数转换值,并将转换值放在变量chai中。-This is a compilation of TLC549 procedure call (STLC549.ASM) of the C51 process,*//* file name CALLT549.C*//* Function: This procedure is to read out the input channels of ANALOG IN*//* D conversion value and on the conversion values of variables chai.