32KHz Ultra Low Power Internal Oscillator (OSCULP32K) Control
Name:
OSCULP32K
Offset:
0x1C
Reset:
0x0000XX06
Access:
PAC Write-Protection
Bit3130292827262524
Access
Reset
Bit2322212019181716
Access
Reset
Bit15141312111098
WRTLOCKCALIB[4:0]
AccessR/WR/WR/WR/WR/WR/W
Reset0xxxxx
Bit76543210
ONDEMANDRUNSTDBY
AccessR/WR/W
Reset10

Bit 15 – WRTLOCK: Write Lock

Write Lock

This bit locks the OSCULP32K register for future writes to fix the OSCULP32K configuration.

ValueDescription
0 The OSCULP32K configuration is not locked.
1 The OSCULP32K configuration is locked.

Bits 12:8 – CALIB[4:0]: Oscillator Calibration

Oscillator Calibration

These bits control the oscillator calibration.

These bits are loaded from Flash Calibration at startup.

Bit 7 – ONDEMAND: On Demand Control

On Demand Control

This bit controls how the OSCULP32K behaves when a peripheral clock request is detected. For details, refer to OSCULP32K Sleep Behaviror.

Bit 6 – RUNSTDBY: Run in Standby

Run in Standby

This bit controls how the OSCULP32K behaves during standby sleep mode. For details, refer to OSCULP32K Sleep Behaviror.