> Do you have a bootloader, or other write-to-flash code? On my 16F877A projects yes, but not using one for the 16LF87 and 16LF88 projects. > The EEPROM write code can cause same issue. The one bit determines Flash > access or EEPROM access. Did you test it with BOR enabled. -- View this message in context: http://www.nabble.com/-PIC--16F-parts-flash-being-corrupted-in-power-cycles-tf2017533.html#a5806691 Sent from the MicroControllers - PIC forum at Nabble.com. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist