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Subject: Cypress Fifo (CY7C43683) OR flag

Date: 03/06/01 at 3:46 AM
Posted by: Olivier Stehlin
E-mail: olivier.stehlin@wifag.ch
Message Posted:


In a design with a Cypress fifo (CY7C43683) I observed a
strange behavior of the OR flag. After reseting/programing
the device (FWFT mode), I write data dwords and the OR flag
goes high. After reading the first data with ENB (clka and
clkb are running free), the OR flag goes low for 3 clkb and
then high again. Subsequent read operations don't show this

Any help welcome !

Olivier Stehlin

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