20.3.5 UTMI Clock Trimming Register
| Name: | SFR_UTMICKTRIM |
| Offset: | 0x30 |
| Reset: | 0x00010000 |
| Property: | Read/Write |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| Access | |||||||||
| Reset |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| VBG[1:0] | |||||||||
| Access | R/W | R/W | |||||||
| Reset | 0 | 1 | |||||||
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| Access | |||||||||
| Reset |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| FREQ[1:0] | |||||||||
| Access | R/W | R/W | |||||||
| Reset | 0 | 0 | |||||||
Bits 17:16 – VBG[1:0] UTMI Band Gap Voltage Trimming
Bits 1:0 – FREQ[1:0] UTMI Reference Clock Frequency
| Value | Name | Description |
|---|---|---|
| 0 | 12 | 12 MHz reference clock |
| 1 | 16 | 16 MHz reference clock |
| 2 | 24 | 24 MHz reference clock |
| 3 | 12 | 12 MHz reference clock |