SAM3X8E Atmel Corporation, SAM3X8E Datasheet - Page 682

• Manufacturer Part Number: SAM3X8E
• Manufacturer: Atmel Corporation

Figure 32-3. SPI Transfer Format (NCPHA = 1, 8 bits per transfer)
Figure 32-4. SPI Transfer Format (NCPHA = 0, 8 bits per transfer)
682
682
SPCK cycle (for reference)
SPCK cycle (for reference)
(from master)
(from master)
(from slave)
(CPOL = 0)
(CPOL = 1)
(from slave)
(CPOL = 0)
(CPOL = 1)
(to slave)
(to slave)
SAM3X/A
SAM3X/A
SPCK
SPCK
MOSI
MISO
SPCK
SPCK
MOSI
MISO
NSS
NSS
* Not defined, but normally MSB of previous character received.
*
* Not defined but normally LSB of previous character transmitted.
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
8
LSB
LSB
8
LSB
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
LSB
*