Oscillator Configuration

Name:
OSCCFG
Offset:
0x02
Reset:
-
Access:
-
Bit76543210
OSCLOCKFREQSEL[1:0]
AccessRRR
Reset010

Bit 7 – OSCLOCK: Oscillator Lock

Oscillator Lock

This fuse bit is loaded to LOCK in CLKCTRL.OSC20MCALIBB during reset.
ValueDescription
0 Calibration registers of the 20 MHz oscillator are accessible
1 Calibration registers of the 20 MHz oscillator are locked

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

Frequency Select

These bits selects the operation frequency of the 16/20MHz internal oscillator (OSC20M), and determine the respective factory calibration values to be written to CAL20M in CLKCTRL.OSC20MCALIBA and TEMPCAL20M in CLKCTRL.OSC20MCALIBB.
ValueDescription
0x1 Run at 16MHz with corresponding factory calibration
0x2 Run at 20MHz with corresponding factory calibration
Other Reserved