31.20.27 PMC Oscillator Calibration Register
This register can only be written if the WPEN bit is cleared in the PMC Write Protection Mode Register.
| Name: | PMC_OCR |
| Offset: | 0x0110 |
| Reset: | 0x00404040 |
| Property: | Read/Write |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| Access | |||||||||
| Reset |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| SEL12 | CAL12[6:0] | ||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| SEL8 | CAL8[6:0] | ||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| SEL4 | CAL4[6:0] | ||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |
Bit 23 – SEL12 Selection of Main RC Oscillator Calibration Bits for 12 MHz
| Value | Description |
|---|---|
| 0 | Factory-determined value stored in Flash memory. |
| 1 | Value written by user in CAL12 field of this register. |
Bits 22:16 – CAL12[6:0] Main RC Oscillator Calibration Bits for 12 MHz
Calibration bits applied to the RC Oscillator when SEL12 is set.
Bit 15 – SEL8 Selection of Main RC Oscillator Calibration Bits for 8 MHz
| Value | Description |
|---|---|
| 0 | Factory-determined value stored in Flash memory. |
| 1 | Value written by user in CAL8 field of this register. |
Bits 14:8 – CAL8[6:0] Main RC Oscillator Calibration Bits for 8 MHz
Calibration bits applied to the RC Oscillator when SEL8 is set.
Bit 7 – SEL4 Selection of Main RC Oscillator Calibration Bits for 4 MHz
| Value | Description |
|---|---|
| 0 | Default value stored in Flash memory. |
| 1 | Value written by user in CAL4 field of this register. |
Bits 6:0 – CAL4[6:0] Main RC Oscillator Calibration Bits for 4 MHz
Calibration bits applied to the RC Oscillator when SEL4 is set.