Mode	CPOL	CPHA
0	0	0	Clock idle low, data is clocked in on rising edge, output data (change) on falling edge
1	0	1	Clock idle low, data is clocked in on falling edge, output data (change) on rising edge
2	1	0	Clock idle high, data is clocked in on falling edge, output data (change) on rising edge
3	1	1	Clock idle high, data is clocked in on rising edge, output data (change) on falling edge

Mode  CPOL  CPHA
0     0     0     Clock idle low, data is clocked in on rising edge, output data (change) on falling edge
1     0     1     Clock idle low, data is clocked in on falling edge, output data (change) on rising edge
2     1     0     Clock idle high, data is clocked in on falling edge, output data (change) on rising edge
3     1     1     Clock idle high, data is clocked in on rising, edge output data (change) on falling edge