Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK Data Sheet
Product codes
AT91SAM9G25-EK
233
SAM9G25 [DATASHEET]
11032C–ATARM–25-Jan-13
23.7.5 PIO Output Disable Register
Name:
PIO_ODR
Address:
0xFFFFF414 (PIOA), 0xFFFFF614 (PIOB), 0xFFFFF814 (PIOC), 0xFFFFFA14 (PIOD)
Access:
Write-only
This register can only be written if the WPEN bit is cleared in
.
• P0-P31: Output Disable
0: No effect.
1: Disables the output on the I/O line.
23.7.6 PIO Output Status Register
Name:
PIO_OSR
Address:
0xFFFFF418 (PIOA), 0xFFFFF618 (PIOB), 0xFFFFF818 (PIOC), 0xFFFFFA18 (PIOD)
Access:
Read-only
• P0-P31: Output Status
0: The I/O line is a pure input.
1: The I/O line is enabled in output.
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
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