SAM3SD8B Atmel Corporation, SAM3SD8B Datasheet - Page 737

• Manufacturer Part Number: SAM3SD8B
• Manufacturer: Atmel Corporation

Figure 32-38. SPI Transfer Format (CPHA=1, 8 bits per transfer)
Figure 32-39. SPI Transfer Format (CPHA=0, 8 bits per transfer)
11090A–ATARM–10-Feb-12
11090A–ATARM–10-Feb-12
SPI Master -> RXD
SCK cycle (for reference)
SPI Master -> TXD
SPI Master -> RTS
SPI Master -> RTS
SPI Slave -> RXD
SPI Master ->RXD
SPI Slave -> TXD
SPI Slave -> CTS
SPI Master ->TXD
SPI Slave -> RXD
SCK cycle (for reference)
SPI Slave -> TXD
SPI Slave -> CTS
(CPOL = 0)
(CPOL = 1)
(CPOL = 0)
(CPOL = 1)
MOSI
MISO
MOSI
MISO
SCK
SCK
NSS
SCK
SCK
NSS
MSB
1
1
MSB
MSB
MSB
2
2
6
6
6
6
3
3
5
5
5
5
4
4
4
4
4
4
5
5
3
3
3
3
6
6
6
2
2
2
2
7
7
1
1
1
1
SAM3S8/SD8
SAM3S8/SD8
8
LSB
8
LSB
LSB
LSB
737
737