SPI协议及其工作原理浅析

minghui2009

正在研究这个

kunkka_lu

CPOL = 0: SCK idle phase is low;
CPOL = 1: SCK idle phase is high;

CPHA = 0: Output data at negedge of clock while receiving data at posedge of clock;
CPHA = 1: Output data at posedge of clock while receiving data at negedge of clock;

uniqueqspb

回复 7# embeddedlwp

何不把正确的写出来给大家分享下嘛~

uniqueqspb

写得清楚明白，学习了~