Atmel Evaluation Kit for AT32uC3A0512, 32-Bit AVR Microcontroller Atmel ATEVK1105 ATEVK1105 数据表
产品代码
ATEVK1105
210
AT32UC3A
23.8.3
SPI Receive Data Register
Name:
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
32058K AVR32-01/12