3 spi receive data register – Rainbow Electronics AT91CAP9S250A User Manual
Page 474
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474
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
33.7.3
SPI Receive Data Register
Name: SPI_RDR
Access Type: Read-only
• RD: Receive Data
Data received by the SPI Interface is stored in this register right-justified. Unused bits read zero.
• PCS: Peripheral Chip Select
In Master Mode only, these bits indicate the value on the NPCS pins at the end of a transfer. Otherwise, these bits read
zero.
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
PCS
15
14
13
12
11
10
9
8
RD
7
6
5
4
3
2
1
0
RD
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