In-system programming of a non-compliant device using...

Electronic digital logic circuitry – Multifunctional or programmable – Array

Reexamination Certificate

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Details

C326S016000, C326S046000, C714S726000

Reexamination Certificate

active

11100718

ABSTRACT:
In one embodiment of the invention, a programmable logic device such as an FPGA includes a programmable fabric; a JTAG interface operable to receive configuration data for programming the fabric; a SPI interface operable to receive and transmit configuration data for programming the fabric; and circuitry coupled to the JTAG and SPI interfaces. The circuitry is operable, without being configured, to transfer configuration data received at the JTAG interface to the SPI interface for transmission to an external device having a SPI interface, such as a serial flash memory.

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MAX II Device Handbook, vol. 1, Chapter 3, JTAG & In-System Programmability, Altera Corporation, Dec. 2004, pp. 3-1 through 3-8.
U.S. Appl. No. 10/809,658, filed Mar. 25, 2004.
Notice of Allowance in U.S. Appl. No. 11/098,713, for double patenting review, filed Apr. 4, 2005.

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