串行接口电压输出型DA转换器的控制，包括延时子程序， 送1位数据"1"和"0"子程序， 送1BYTE数据，B通道单独转换，A通道输出任意数等子程序-Serial interface voltage output type DA converter control, including the delay subroutine, send a data 1 and 0 subroutine, send 1BYTE data, B-channel single conversion, A-c

本代码基于vc++实现的矩阵的并行相乘的程序，在串行代码的基础上寻找并行化(This code is based on the parallel multiplication of the matrix based on vc++, and searches for parallelization on the basis of serial code)