AT91SAM9G10-EK Atmel, AT91SAM9G10-EK Datasheet - Page 349

• Manufacturer Part Number: AT91SAM9G10-EK
• Description: KIT DEV FOR SAM9G10 ARM
• Manufacturer: Atmel
• Type: MCUr

Specifications of AT91SAM9G10-EK

• Contents: Board, Cables, Power Supply
• Silicon Manufacturer: Atmel
• Core Architecture: AVR
• Kit Contents: Board
• Svhc: No SVHC (15-Dec-2010)
• Mcu Supported Families: AT91SAM9G10, ARM926EJ-S
• Tool / Board Applications: Microcontroller
• Rohs Compliant: Yes
• For Use With/related Products: *
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Table 30-4.
Figure 30-3. SPI Transfer Format (NCPHA = 1, 8 bits per transfer)
6462A–ATARM–03-Jun-09
SPCK cycle (for reference)
SPI Mode
(from master)
(from slave)
(CPOL = 0)
(CPOL = 1)
(to slave)
0
1
2
3
SPCK
SPCK
MOSI
MISO
NSS
SPI Bus Protocol Mode
* Not defined, but normally MSB of previous character received.
CPOL
Table 30-4
Figure 30-3
0
0
1
1
MSB
1
MSB
NCPHA
shows the four modes and corresponding parameter settings.
and
1
0
1
0
2
Figure 30-4
6
6
3
Shift SPCK Edge
5
5
show examples of data transfers.
Falling
Falling
Rising
Rising
4
4
4
5
3
3
Capture SPCK Edge
6
6
2
2
Falling
Falling
Rising
Rising
7
1
1
AT91SAM9G10
8
LSB
LSB
SPCK Inactive Level
High
High
Low
Low
*
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