Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK Data Sheet
Product codes
AT91SAM9G25-EK
250
SAM9G25 [DATASHEET]
11032C–ATARM–25-Jan-13
23.7.35 PIO Output Write Status Register
Name:
PIO_OWSR
Address:
0xFFFFF4A8 (PIOA), 0xFFFFF6A8 (PIOB), 0xFFFFF8A8 (PIOC), 0xFFFFFAA8 (PIOD)
Access:
Read-only
• P0-P31: Output Write Status.
0: Writing PIO_ODSR does not affect the I/O line.
1: Writing PIO_ODSR affects the I/O line.
23.7.36 PIO Additional Interrupt Modes Enable Register
Name:
PIO_AIMER
Address:
0xFFFFF4B0 (PIOA), 0xFFFFF6B0 (PIOB), 0xFFFFF8B0 (PIOC), 0xFFFFFAB0 (PIOD)
Access:
Write-only
• P0-P31: Additional Interrupt Modes Enable.
0: No effect.
1: The interrupt source is the event described in PIO_ELSR and PIO_FRLHSR.
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