PMC_OCR

PMC Oscillator Calibration Register

This register can only be written if the WPEN bit is cleared in the PMC Write Protection Mode Register.

  0x0110 32 Read/Write 0x00404040  

PMC Oscillator Calibration Register

Bit  31 30 29 28 27 26 25 24  
                   
Access                   
Reset                   
Bit  23 22 21 20 19 18 17 16  
  SEL12 CAL12[6:0]  
Access                   
Reset  0 1 0 0 0 0 0 0  
Bit  15 14 13 12 11 10 9 8  
  SEL8 CAL8[6:0]  
Access                   
Reset  0 1 0 0 0 0 0 0  
Bit  7 6 5 4 3 2 1 0  
  SEL4 CAL4[6:0]  
Access                   
Reset  0 1 0 0 0 0 0 0  

Bits 6:0 – CAL4[6:0]: Main RC Oscillator Calibration Bits for 4 MHz

Main RC Oscillator Calibration Bits for

4 MHz

Calibration bits applied to the RC Oscillator when SEL4 is set.

Bit 7 – SEL4: Selection of Main RC Oscillator Calibration Bits for 4 MHz

Selection of Main RC Oscillator Calibration Bits for

4 MHz

ValueDescription
0 Default value stored in Flash memory.
1 Value written by user in CAL4 field of this register.

Bits 14:8 – CAL8[6:0]: Main RC Oscillator Calibration Bits for 8 MHz

Main RC Oscillator Calibration Bits for

8 MHz

Calibration bits applied to the RC Oscillator when SEL8 is set.

Bit 15 – SEL8: Selection of Main RC Oscillator Calibration Bits for 8 MHz

Selection of Main RC Oscillator Calibration Bits for

8 MHz

ValueDescription
0 Factory-determined value stored in Flash memory.
1 Value written by user in CAL8 field of this register.

Bits 22:16 – CAL12[6:0]: Main RC Oscillator Calibration Bits for 12 MHz

Main RC Oscillator Calibration Bits for

12 MHz

Calibration bits applied to the RC Oscillator when SEL12 is set.

Bit 23 – SEL12: Selection of Main RC Oscillator Calibration Bits for 12 MHz

Selection of Main RC Oscillator Calibration Bits for

12 MHz

ValueDescription
0 Factory-determined value stored in Flash memory.
1 Value written by user in CAL12 field of this register.