OSC48M Calibration

This register (bits 0 to 21) must be updated with the corresponding data in the NVM Software Calibration Area: CAL48M 5V or CAL48M 3V3, depending on the VDD range. Refer to NVM Software Calibration Area Mapping.

Note: This register is only available for Rev D silicon.
Name:
CAL48M
Offset:
0x38
Reset:
Calibrated value for VDD range 3.6 V to 5.5 V
Access:
PAC Write-Protection
Bit3130292827262524
Access
Reset
Bit2322212019181716
TCAL[5:0]
AccessR/WR/WR/WR/WR/WR/W
Resetxxxxxx
Bit15141312111098
FRANGE[1:0]
AccessR/WR/W
Resetxx
Bit76543210
FCAL[5:0]
AccessR/WR/WR/WR/WR/WR/W
Resetxxxxxx

Bits 21:16 – TCAL[5:0]: Temperature Calibration

Temperature Calibration

Bits 9:8 – FRANGE[1:0]: Frequency Range

Frequency Range

Bits 5:0 – FCAL[5:0]: Frequency Calibration

Frequency Calibration