BFDS=0, CENDIE=0, ETXMD=0
SPI Control Register 3
ETXMD | Extended Communication Mode Select 0 (0): Full-duplex synchronous or transmit-only serial communications. [the SPCR.TXMD bit is enabled] 1 (1): Receive-only serial communications in slave mode (SPCR.MSTR bit = 0). [the SPCR.TXMD bit is disabled] Setting is prohibited in master mode (SPCR.MSTR bit = 1). |
BFDS | Between Burst Transfer Frames Delay Select 0 (0): Delay (RSPCK delay, SSL negation delay and next-access delay) between frames is inserted in burst transfer. 1 (1): Delay between frames is not inserted in burst transfer. |
CENDIE | SPI Communication End Interrupt Enable 0 (0): Communication end interrupt request is disabled. 1 (1): Communication end interrupt request is enabled. |