31.5.7 ASI Control A
| Name: | ASI_CTRLA |
| Offset: | 0x09 |
| Reset: | 0x03 |
| Property: | - |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| UPDICLKSEL[1:0] | |||||||||
| Access | R/W | R/W | |||||||
| Reset | 1 | 1 | |||||||
Bits 1:0 – UPDICLKSEL[1:0] UPDI Clock Divider Select
Writing these bits selects the UPDI clock output frequency. The default setting after Reset and enable is 4 MHz. Any other clock output selection is only recommended when the BOD is at the highest level. For all other BOD settings, the default 4 MHz selection is recommended.
| Value | Description |
|---|---|
| 0x0 | Reserved |
| 0x1 | 16 MHz UPDI clock |
| 0x2 | 8 MHz UPDI clock |
| 0x3 | 4 MHz UPDI clock (Default Setting) |