Oscillator Configuration

Name:
OSCCFG
Offset:
0x02
Reset:
Initial factory value 0x02
Access:
-
Bit76543210
OSCLOCKFREQSEL[1:0]
AccessRRR
Resetxxx

Bit 7 – OSCLOCK: Oscillator Lock

Oscillator Lock

This fuse bit is loaded to LOCK in CLKCTRL.OSC20MCALIBB during Reset.
ValueDescription
0x0 Calibration registers of the 20 MHz oscillator can be modified at run-time
0x1 Calibration registers of the 20 MHz oscillator are locked at run-time

Bits 1:0 – FREQSEL[1:0]: Frequency Select

Frequency Select

These bits select the operation frequency of the internal RC Oscillator (OSC20M) and determine the respective factory calibration values to be written to CAL20M in CLKCTRL.OSC20MCALIBA and TEMPCAL20M in CLKCTRL.OSC20MCALIBB.
ValueDescription
0x0 Reserved
0x1 Run at 16 MHz
0x2 Run at 20 MHz
0x3 Reserved