CPHA=0, CPOL=0
Clock and Transfer Attributes Register (In Slave Mode)
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| CPHA | Clock Phase 0 (0): Data is captured on the leading edge of SCK and changed on the following edge. 1 (1): Data is changed on the leading edge of SCK and captured on the following edge. |
| CPOL | Clock Polarity 0 (0): The inactive state value of SCK is low. 1 (1): The inactive state value of SCK is high. |
| FMSZ | Frame Size |