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Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD Data Sheet

Product codes
ATSAM4S-WPIR-RD
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SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
582
31.7.7 PIO Input Filter Enable Register
Name:
PIO_IFER
Address:
0x400E0E20 (PIOA), 0x400E1020 (PIOB), 0x400E1220 (PIOC)
Access:
Write-only 
This register can only be written if the WPEN bit is cleared in 
.
• P0-P31: Input Filter Enable
0: No effect.
1: Enables the input glitch filter on the I/O line.
31.7.8 PIO Input Filter Disable Register
Name:
PIO_IFDR
Address:
0x400E0E24 (PIOA), 0x400E1024 (PIOB), 0x400E1224 (PIOC)
Access:
Write-only 
This register can only be written if the WPEN bit is cleared in 
.
• P0-P31: Input Filter Disable
0: No effect.
1: Disables the input glitch filter on the I/O line.
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