关于PIC+TCA6424程序 最近做了一套PIC+IO扩展芯片TCA6424程序,废话不说,上程序void main(void) {System_Init();wr_IIC(0x8c,0xff,0xff,0xff);while(1){p0 = rd_IIC(0x80);p1 = rd_IIC(0x81);p2 = rd_IIC(0x82);p0 = 0;p1 = 0;p2 = 0;}}void IIC_Init(vo... 2023-06-13 PICTCA6424程序单片机文章PIC单片机