Electrical computers and digital processing systems: multicomput – Miscellaneous
Reexamination Certificate
2007-03-20
2007-03-20
Etienne, Ario (Department: 2157)
Electrical computers and digital processing systems: multicomput
Miscellaneous
C717S171000, C717S176000, C719S319000, C719S327000
Reexamination Certificate
active
09713389
ABSTRACT:
There is disclosed an apparatus for controlling a physical layer interface of a network interface card. The apparatus comprises: 1) a read only memory (ROM) for storing an embedded control program; 2) a random access memory for storing a downloadable software control program; and 3) a microcontroller for controlling the physical layer interface, wherein the microcontroller in a first operating mode executes the embedded control program to thereby control the physical layer interface, and wherein the microcontroller in a second operating mode downloads the downloadable software control program from an external processing system and executes the software control program in place of the embedded control program to thereby control the physical layer interface.
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Chang Ted
Gavlik John E.
Webb Matthew J.
El-chanti Hussein
Etienne Ario
National Semiconductor Corporation
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