42.7.1 Control
Note: CTRL register (except the bits ENABLE & SWRST) is Enable Protected when
CCL.CTRL.ENABLE = 1.
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: | CTRL |
Offset: | 0x00 |
Reset: | 0x00 |
Property: | PAC Write-Protection |
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
RUNSTDBY | ENABLE | SWRST | |||||||
Access | R/W | R/W | W | ||||||
Reset | 0 | 0 | 0 |
Bit 6 – RUNSTDBY Run in Standby
This bit indicates if the GCLK_CCL clock must be kept running in standby mode. The setting is ignored for configurations where the generic clock is not required. For details refer to Sleep Mode Operation.
Important: This bit must be written before enabling the CCL.
Value | Description |
---|---|
0 | Generic clock is not required in standby sleep mode. |
1 | Generic clock is required in standby sleep mode. |
Bit 1 – ENABLE Enable
Value | Description |
---|---|
0 | The peripheral is disabled. |
1 | The peripheral is enabled. |
Bit 0 – SWRST Software Reset
Writing a '0' to this bit has no effect.
Writing a '1' to this bit resets all registers in the CCL to their initial state.
Value | Description |
---|---|
0 | There is no reset operation ongoing. |
1 | The reset operation is ongoing. |