/*spi規范：Data is always clocked into the device on the rising edge of SCK a-*/
/* nd clocked out of the device on the falling edge of SCK.All instruction-*/
/* s,addresses and data are transferred with the most significant bit(MSB) */
/* first.
標簽：
clocked
the
always
device
上傳時間：
2016-02-19
上傳用戶：遠遠ssad
