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1745D–ATARM–04-Nov-05
AT91M55800A
16.9.7 PIO Input Filter Enable Register
Register Name: PIO_IFER
Access Type: Write-only
Offset:
0x20
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.
16.9.8 PIO Input Filter Disable Register
Register Name: IO_IFDR
Access Type: Write-only
Offset:
0x24
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
76543210
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
76543210
P7 P6 P5 P4 P3 P2 P1 P0