Техническая Спецификация для Atmel Evaluation Kit for AT32uC3A0512, 32-Bit AVR Microcontroller Atmel ATEVK1105 ATEVK1105
Модели
ATEVK1105
335
AT32UC3A
Figure 26-38.
SPI Transfer Format (CPHA=1, 8 bits per transfer)
Figure 26-39.
SPI Transfer Format (CPHA=0, 8 bits per transfer)
26.7.8.4
Receiver and Transmitter Control
CLK cycle (for reference)
CLK
(CPOL= 1)
MOSI
SPI Master ->TXD
SPI Slave ->RXD
MISO
SPI Master ->RXD
SPI Slave ->TXD
NSS
SPI Master ->RTS
SPI Slave ->CTS
MSB
MSB
1
CLK
(CPOL= 0)
3
5
6
7
8
LSB
1
2
3
4
6
6
5
5
4
3
2
1
LSB
2
4
CLK cycle (for reference)
CLK
(CPOL= 0)
CLK
(CPOL= 1)
MOSI
SPI Master -> TXD
SPI Slave -> RXD
MISO
SPI Master -> RXD
SPI Slave -> TXD
NSS
SPI Master -> RTS
SPI Slave -> CTS
MSB
6
5
MSB
6
5
4
4
3
3
2
2
1
1
LSB
LSB
8
7
6
5
4
3
2
1
32058K
AVR32-01/12