are you sure about the copy back to ram? Icould see where once in a while you would compare ram vs eeprom to be sure everything is still in working order, but copy?
are you sure about the copy back to ram? Icould see where once in a while you would compare ram vs eeprom to be sure everything is still in working order, but copy?
Not really, no.
I designed and implemented a system that stores configuration data in a EEPROM. The EEPROM is read once at reset into a RAM buffer. All of the system's read and write accesses are from and to the RAM buffer. A three second timer is started any time that the RAM buffer is written and, when that timer expires, the EEPROM is updated. This supports a compromise between wearing out the EEPROM with excessive writes and the desire to keep the EEPROM up to date.
HTH
-- ======================================================================== Michael Kesti | "And like, one and one don't make
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