AT91SAM7A2_04 Datasheet, PDF (214/369 Pages) ATMEL Corporation – AT91 ARM Thumb-based Microcontrollers

PRELIMINARY
SPI PIO Multi-driver Enable Register
Name:
SPI_MDER
Access:
Write-only
Base Address: 0x040
SPI PIO Multi-driver Disable Register
Name:
SPI_MDDR
Access:
Write-only
Base Address: 0x044
31
30
29
28
–
–
–
–
23
22
21
20
–
NPCS3
NPCS2
NPCS1
15
14
13
12
–
–
–
–
7
6
5
4
–
–
–
–
• SPCK: SPCK Pin
0: The pin SPCK is not configured as an open drain.
1: The pin SPCK is configured as an open drain.
• MISO: MISO Pin
0: The pin MISO is not configured as an open drain.
1: The pin MISO is configured as an open drain.
• MOSI: MOSI Pin
0: The pin MOSI is not configured as an open drain.
1: The pin MOSI is configured as an open drain.
• NPCS0: NPCS0 Pin
0: The pin NPCS0/NSS is not configured as an open drain.
1: The pin NPCS0/NSS is configured as an open drain.
• NPCSx [x = 1..3]: NPCSx Pin
0: The pin NPCSx is not configured as an open drain.
1: The pin NPCSx is configured as an open drain.
27
–
19
NPCS0
11
–
3
–
26
–
18
MOSI
10
–
2
–
25
–
17
MISO
9
–
1
–
24
–
16
SPCK
8
–
0
–
214 _AT91SAM7A2
6021A–ATARM–07/04