An ECU is equipped with multiple microprocessors. Each microprocessor has an erasable ROM. A communication port of a first microprocessor is connected via an external communication line to a memory overwriter while another communication port of the same microprocessor and a communication port...http://www.google.fr/patents/US5826211?utm_source=gb-gplus-shareBrevet US5826211 - Electronic controller having excellent control program and control data overwriting capabilities
Electronic controller having excellent control program and control data ...
