OSCULP32K

32KHz Ultra Low-Power Internal Oscillator (OSCULP32K) Control

  0x1C 32 PAC Write-Protection 0x0000XX00  
Parent topic: Register Description

32KHz Ultra Low-Power Internal Oscillator (OSCULP32K) Control

Bit  31 30 29 28 27 26 25 24  
                   
Access                   
Reset                   
Bit  23 22 21 20 19 18 17 16  
                   
Access                   
Reset                   
Bit  15 14 13 12 11 10 9 8  
  WRTLOCK     Reserved[4:0]  
Access  R/W     R/W R/W R/W R/W R/W  
Reset  0     x x x x x  
Bit  7 6 5 4 3 2 1 0  
      ULP32KSW            
Access      R/W            
Reset      0            

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 – Reserved[4:0]

These bits must not be changed to ensure correct OSCULP32K behavior.

Bit 5 – ULP32KSW: OSCULP32K Clock Switch Enable

OSCULP32K Clock Switch Enable

ValueDescription
0 OSCULP32K is provided by the ULP32K oscillator.
1 OSCULP32K is provided by the XOSC32K oscillator.