Programming of configuration serial EEPROM via an external...

Details Programming of configuration serial EEPROM via an external... Programming of configuration serial EEPROM via an external...

2005-04-25

2008-12-02

Patel, Niketa I. (Department: 2181)

Electrical computers and digital data processing systems: input/

Input/output data processing

Flow controlling

C710S301000, C710S305000, C370S357000, C370S360000

Reexamination Certificate

active

07461181

ABSTRACT:
The present invention is directed to providing configuration data to an EEPROM within a sealed enclosure without having to open the enclosure, using a Test Interface Card (TIC) connected to a particular external multi-use port on the enclosure. The present invention is generally applicable to any sealed enclosure containing a device that receives information through an internal serial bus, where the enclosure includes ports that have both high speed, low voltage connections and lower speed DC connections. DC blocking capacitors are placed on the high speed lines, and when a TIC is inserted into the multi-use port, a voltage detection circuit coupled to the high speed connections detects a DC control voltage, tri-states a Switch On a Chip (SOC) and configures switches to connect the lower speed connections to the serial bus and an EEPROM so that the TIC can supply new configuration data to the EEPROM.

REFERENCES:
patent: 5243640 (1993-09-01), Hadley et al.
patent: 6141704 (2000-10-01), Huang
patent: 6892248 (2005-05-01), Thayer
patent: 7085545 (2006-08-01), Nitta
patent: 2004/0135620 (2004-07-01), Pezzani
patent: 2005/0012116 (2005-01-01), Lim et al.
patent: 2006/0065743 (2006-03-01), Fruhauf
patent: 2006/0085699 (2006-04-01), Hathorn et al.
patent: 094109773 (2005-04-01), None
English Translation of TW-094109773, Apr. 2005.

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