Method and apparatus for downloading software into an embedded-system
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United States of America Patent
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Sep 2, 2003
Grant Date -
N/A
app pub date -
May 18, 1999
filing date -
May 13, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Method for upgrading operating software and/or initialization program versions of an embedded system by using a single non-volatile memory. The non-volatile memory comprises a write-protected area containing an original initialization and download operation program version, and an unprotected area containing an upgradable initialization and download operation program version. Upon initialization, the upgradable, or the original version, of the initialization and download operation program version is copied into a second memory and/or into a memory location. The embedded system is operated from the second memory and/or memory location, enabling the downloading of the new operating software and/or initialization program versions and programming the unprotected area with the downloaded versions.
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