BUSY=notActive
SPI Status register.
BUSY | SPI active status. In Master mode, set when transaction starts, cleared when last bit of last character is acted upon and Slave Select de-assertion would occur. In Slave mode, set when Slave Select is asserted, cleared when Slave Select is de-asserted. Not used in Timer mode. 0 (notActive): SPI not active. 1 (active): SPI active. |