Rainbow Electronics AT91CAP9S250A - Manual (Page 461)

461
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
Figure 33-4. SPI Transfer Format (NCPHA = 0, 8 bits per transfer)
*
SPCK
(CPOL = 0)
SPCK
(CPOL = 1)
1 2 3 4 5 7
MOSI
(from master)
MISO
(from slave)
NSS
(to slave)
SPCK cycle (for reference) 8
MSB
MSB
LSB
LSB
6
6
5
5
4
4
3
3
1
1
* Not defined but normally LSB of previous character transmitted.
2
2
6