ASI Control A
| Bit7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| UPDICLKSEL[1:0] | |||||||
| Access | R/W | R/W | |||||
| Reset | 1 | 1 | |||||
UPDI Clock Select
Writing these bits select the UPDI clock output frequency. 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) |