21.8.10 32.768 kHz Ultra Low-Power Internal Oscillator (OSCULP32K) Control

Name: OSCULP32K
Offset: 0x1C
Reset: 0x0000XX06
Property: PAC Write-Protection

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
          
Access  
Reset  
Bit 15141312111098 
 WRTLOCK  CALIB[4:0] 
Access R/WR/WR/WR/WR/WR/W 
Reset 0xxxxx 
Bit 76543210 
          
Access  
Reset  

Bit 15 – WRTLOCK 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

These bits control the oscillator calibration.

These bits are automatically loaded from Flash Factory Calibration at startup.