ZHCSH81 December 2017 PGA302
PRODUCTION DATA.
The last Byte in the EEPROM stores the CRC for all the data in EEPROM.
The user can verify the EEPROM CRC at any time. When the last byte is programmed into the EEPROM, the device automatically calculates the CRC and updates the CRC_GOOD bit in EEPROM CRC Status Register. The validity of the CRC can also be verified by initiating the CRC check by setting the control bit CACULATE_CRC bit in EEPROM_CRC register.
The device also has analog trim values. The validity of the analog trim values is checked on power up. The validity of the trim values can be inferred using the CRC_GOOD bit in the TRIM_CRC_STATUS register.