Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet
Product codes
AT91SAM9N12-EK
241
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
23.7.25 PIO Peripheral ABCD Select Register 2
Name:
PIO_ABCDSR2
Access:
Read/Write
This register can only be written if the WPEN bit is cleared in
• P0-P31: Peripheral Select.
If the same bit is set to 0 in PIO_ABCDSR1:
0: Assigns the I/O line to the Peripheral A function.
1: Assigns the I/O line to the Peripheral C function.
If the same bit is set to 1 in PIO_ABCDSR1:
0: Assigns the I/O line to the Peripheral B function.
1: Assigns the I/O line to the Peripheral D function.
31
30
29
28
27
26
25
24
P31
P30
P29
P28
P27
P26
P25
P24
23
22
21
20
19
18
17
16
P23
P22
P21
P20
P19
P18
P17
P16
15
14
13
12
11
10
9
8
P15
P14
P13
P12
P11
P10
P9
P8
7
6
5
4
3
2
1
0
P7
P6
P5
P4
P3
P2
P1
P0