8.5.1 CONFIG1
| Name: | CONFIG1 |
| Address: | 0x300000 |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| RSTOSC[2:0] | FEXTOSC[3:0] | ||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | ||
| Reset | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||
Bits 6:4 – RSTOSC[2:0] Power-Up Default Value for COSC
| Value | Description |
|---|---|
| 111 | EXTOSC operating per FEXTOSC bits |
| 110 | HFINTOSC
with HFFRQ = 4 MHz and CDIV = 4:1. Resets COSC/NOSC to
b'110'. |
| 101 | LFINTOSC |
| 100 | SOSC |
| 011 | Reserved |
| 010 | EXTOSC with 4x PLL, with EXTOSC operating per FEXTOSC bits |
| 001 | Reserved |
| 000 | HFINTOSC
with HFFRQ = 64 MHz and CDIV = 1:1. Resets COSC/NOSC to
b'110'. |
Bits 3:0 – FEXTOSC[3:0] External Oscillator Mode Selection
| Value | Description |
|---|---|
| 1111 | ECH (external clock) above 8 MHz |
| 1110 | ECM (external clock) for 500 kHz to 8 MHz |
| 1101 | ECL (external clock) below 500 kHz |
| 1100 - 0110 | Oscillator not enabled |
| 0101 | HS (crystal oscillator) up to 32 MHz |
| 0100 | HS (crystal oscillator) up to 24 MHz |
| 0011 | HS (crystal oscillator) up to 16 MHz |
| 0010 | HS (crystal oscillator) up to 8 MHz |
| 0001 | XT (crystal oscillator) above 500 kHz, below 4 MHz |
| 0000 | LP (crystal oscillator) optimized for 32.768 kHz |