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Method for storing and retrieving data in a control system, in particular in a motor vehicle

  • US 6,167,338 A
  • Filed: 09/15/1998
  • Issued: 12/26/2000
  • Est. Priority Date: 09/15/1997
  • Status: Expired due to Fees
First Claim
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1. A method for storing and retrieving operational data in a control system having a RAM memory and a flash memory, the method comprising.switching on the control system;

  • supplying a backup value for only some of the operational data in the control system; and

    storing each backup value in the RAM memory, without accessing the flash memory;

    subsequentlyobtaining most recent operational data of at least one data type from the flash memory; and

    storing the most recent operational data of the at least one data type in the RAM memory.

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