10.3.2 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 10-8. NVM Software Calibration Area Mapping
Bit PositionNameDescription
2:0Reserved
14:3Reserved
26:15Reserved
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.
49:45USB TRANSNUSB TRANSN calibration value. Should be written to USB PADCAL register.
54:50USB TRANSPUSB TRANSP calibration value. Should be written to USB PADCAL register.
57:55USB TRIMUSB TRIM calibration value. Should be written to the USB PADCAL register.
63:58DFLL48M COARSE CALDFLL48M Coarse calibration value. Should be written to SYSCTRL DFLLVAL register.
73:64Reserved
127:74Reserved