|
0x34 |
32 |
PAC Write-Protection, Enable-Protected, Secure |
0x00000000 |
|
Debouncer
Prescaler
These bits select the
debouncer low frequency clock for pins EXTINT[7:0].
Value | Name | Description |
---|
0x0 |
F/2 |
EIC clock divided by 2 |
0x1 |
F/4 |
EIC clock divided by 4 |
0x2 |
F/8 |
EIC clock divided by 8 |
0x3 |
F/16 |
EIC clock divided by 16 |
0x4 |
F/32 |
EIC clock divided by 32 |
0x5 |
F/64 |
EIC clock divided by 64 |
0x6 |
F/128 |
EIC clock divided by 128 |
0x7 |
F/256 |
EIC clock divided by 256 |
Debouncer Number of
States
This bit selects the
number of samples by the debouncer low frequency clock needed to validate a transition
from current pin state to next pin state in synchronous debouncing mode for pins
EXTINT[7:0].
Value | Description |
---|
0 |
The number
of low frequency samples is 3. |
1 |
The number
of low frequency samples is 7. |
Pin Sampler frequency
selection
This bit selects the
clock used for the sampling of bounce during transition detection.
Value | Description |
---|
0 |
The bounce
sampler is using GCLK_EIC. |
1 |
The bounce
sampler is using the low frequency clock. |