Posted on September 15, 2003 at 02:07The main use of my st7lite09 is for the SPI port to receive a byte from my main HC11. I set slave mode: cpol=0 ,cpha=1 SPICR = 0110 0100 or 01x0 01xx SPICSR =xxxx 0000 for /ss external cont the ST7 is slave2 , I ...