9.5 NVM Software Calibration Area Mapping

The NVM Software Calibration Area contains calibration data that are measured and written during production test. These calibration values should be read by the application software and written back to the corresponding register.

The NVM Software Calibration Area can be read at address 0x806020.

The NVM Software Calibration Area can not be written.

Table 9-4. NVM Software Calibration Area Mapping
Bit PositionNameDescription
26:0Reserved
34:27ADC LINEARITYADC Linearity Calibration. Should be written to ADC CALIB register.
37:35ADC BIASCALADC Bias Calibration. Should be written to ADC CALIB register.
44:38OSC32K CALOSC32KCalibration. Should be written to SYSCTRL OSC32K register.
57:45Reserved
63:58DFLL48M COARSE CAL1)DFLL48M Coarse calibration value, should be written to SYSCTRL DFLLVAL register.
73:64DFLL48M fine CAL(1)DFLL48M Fine calibration value, should be written to SYSCTRL.DFLLVAL register.
127:74Reserved
Note: 1. Not applicable for die rev. C and previous.