33.7.8 PIO Interrupt Enable Register
Name: | PIO_IERx |
Offset: | 0x20 + x*0x40 [x=0..3] |
Reset: | – |
Property: | Write-only |
Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
P31 | P30 | P29 | P28 | P27 | P26 | P25 | P24 | ||
Access | W | W | W | W | W | W | W | W | |
Reset | – | – | – | – | – | – | – | – |
Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
P23 | P22 | P21 | P20 | P19 | P18 | P17 | P16 | ||
Access | W | W | W | W | W | W | W | W | |
Reset | – | – | – | – | – | – | – | – |
Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
P15 | P14 | P13 | P12 | P11 | P10 | P9 | P8 | ||
Access | W | W | W | W | W | W | W | W | |
Reset | – | – | – | – | – | – | – | – |
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
P7 | P6 | P5 | P4 | P3 | P2 | P1 | P0 | ||
Access | W | W | W | W | W | W | W | W | |
Reset | – | – | – | – | – | – | – | – |
Bits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 – Px Input Change Interrupt Enable
Value | Description |
---|---|
0 | No effect. |
1 | Enables the Input Change interrupt on the I/O line of the I/O group x. |