Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK Data Sheet
Product codes
AT91SAM9M10-G45-EK
503
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
Figure 31-38.
SPI Transfer Format (CPHA=1, 8 bits per transfer)
Figure 31-39.
SPI Transfer Format (CPHA=0, 8 bits per transfer)
31.7.7.4
Receiver and Transmitter Control
6
SCK
(CPOL = 0)
SCK
(CPOL = 1)
MOSI
SPI Master ->TXD
SPI Slave -> RXD
NSS
SPI Master -> RTS
SPI Slave -> CTS
SCK cycle (for reference)
MSB
MSB
LSB
LSB
6
6
5
5
4
4
3
3
2
2
1
1
1
2
3
4
5
7
8
6
MISO
SPI Master ->RXD
SPI Slave -> TXD
SCK
(CPOL = 0)
SCK
(CPOL = 1)
1
2
3
4
5
7
MOSI
SPI Master -> TXD
SPI Slave -> RXD
MISO
SPI Master -> RXD
SPI Slave -> TXD
NSS
SPI Master -> RTS
SPI Slave -> CTS
SCK cycle (for reference)
8
MSB
MSB
LSB
LSB
6
6
5
5
4
4
3
3
1
1
2
2
6