ECU identification retention across reprogramming events

Details ECU identification retention across reprogramming events ECU identification retention across reprogramming events

2008-07-22

2008-07-22

Thai, Tuan V. (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S100000, C711S154000, C365S185330

Reexamination Certificate

active

07404028

ABSTRACT:
A memory system for a vehicle includes a first memory that is non-volatile, that is rewritable, and that stores a control program and identification data. A second memory is non-volatile. A control module transfers the identification data to the second memory, erases the first memory, rewrites the control program to the first memory, and transfers the identification data from the second memory to the first memory after erasing the first memory. The identification data may include data such as a software version identifier, a programming date, and/or a part number.

REFERENCES:
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patent: 6353553 (2002-03-01), Tamada et al.
patent: 2001/0037388 (2001-11-01), Suzuki
patent: 2003/0233558 (2003-12-01), Lieberman et al.

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