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  3. AR# 492: FPGA Configuration - Minimum pulse width for PROG to reconfigure/clear an FPGA

AR# 492

FPGA Configuration - Minimum pulse width for PROG to reconfigure/clear an FPGA

Description

General Description:

What is the required pulse width for PROG to clear the configuration memory of an FPGA?

Solution

The PROGRAM pin must be held Low for at least 300 ns. This applies to all XC4000/XC5200, Spartan/-II/-IIE/-3, and Virtex/-E/-II/-II Pro devices.

AR# 492
Date 12/15/2012
Status Active
Type General Article