32.11.12 Debouncer Prescaler
| Symbol | Description | Symbol | Description | Symbol | Description |
|---|---|---|---|---|---|
| R | Readable bit | HC | Cleared by Hardware | (Grey cell) | Unimplemented |
| W | Writable bit | HS | Set by Hardware | X | Bit is unknown at Reset |
| K | Write to clear | S | Software settable bit | — | — |
| Name: | DPRESCALER |
| Offset: | 0x34 |
| Reset: | 0x00000000 |
| Property: | PAC Write-Protection, Enable-Protected |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| Access | |||||||||
| Reset |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| TICKON | |||||||||
| Access | R/W | ||||||||
| Reset | 0 |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| Access | |||||||||
| Reset |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| STATES | PRESCALERx[2:0] | STATES | PRESCALERx[2:0] | ||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Bit 16 – TICKON Pin Sampler frequency selection
| Value | Name | Description |
|---|---|---|
| 0 | CLK_GCLK_EIC | Bounce sampler is using GCLK_EIC |
| 1 | CLK_LFREQ | Bounce sampler is using Low Frequency Clock |
Bits 3,7 – STATES Debouncer number of states
| Value | Name | Description |
|---|---|---|
| 0 | LFREQ3 | 3 low frequency samples |
| 1 | LFREQ7 | 7 low frequency samples |
Bits 0:2,4:6 – PRESCALERx Debouncer Prescaler x
| Value | Name | Description |
|---|---|---|
| 0 | DIV2 | EIC clock divided by 2 |
| 1 | DIV4 | EIC clock divided by 4 |
| 2 | DIV8 | EIC clock divided by 8 |
| 3 | DIV16 | EIC clock divided by 16 |
| 4 | DIV32 | EIC clock divided by 32 |
| 5 | DIV64 | EIC clock divided by 64 |
| 6 | DIV128 | EIC clock divided by 128 |
| 7 | DIV256 | EIC clock divided by 256 |