11.4 NVM Software Calibration Area Mapping

The NVM Software Calibration Area contains calibration data that are determined 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 0x00806020.

The NVM Software Calibration Area can not be written.

Table 11-5. NVM Software Calibration Area Mapping
Bit PositionNameDescription
2:0BIASREFBUFADC linearity. To be written to ADC CALIB.BIASREFBUF
5:3BIASCOMPADC bias calibration. To be written to ADC CALIB.BIASCOMP
12:6OSC32KCALOSC32K calibration. To be written to OSC32KCTRL OSC32K.CALIB
17:13USB_TRANSNUSB pad calibration. To be written to USB PADCAL.TRANSN
22:18USB_TRANSPUSB pad calibration. To be written to USB PADCAL.TRANSP
25:23USB_TRIMUSB pad calibration. To be written to USB PADCAL.TRIM
31:26DFLL48M_COARSE_CALDFLL48M coarse calibration. To be written to OSCCTRL DFLLVAL.COARSE

References:

ADC - Calibration Register

USB -Pad Calibration Register

OSCCTRL - DFLLVAL Register