Pio input filter enable register, Pio input filter disable register – Rainbow Electronics AT75C310 User Manual
Page 47
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AT75C310
47
PIO Input Filter Enable Register
Register Name:
PIO_IFER
Access Type:
Write-only
This register is used to enable input glitch filters. It affects the pin whether or not the PIO is enabled. The register is pro-
grammed as follows:
1 = Enables the glitch filter on the corresponding pin.
0 = No effect.
PIO Input Filter Disable Register
Register Name:
PIO_IFDR
Access Type:
Write-only
This register is used to disable input glitch filters. It affects the pin whether or not the PIO is enabled. The register is pro-
grammed as follows:
1 = Disables the glitch filter on the corresponding pin.
0 = No effect.
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