Configuration emulation of a programmable logic device
First Claim
1. A circuit for emulating a configuration timing relationship and a configuration protocol relationship between a programmable Logic Device (PLD) and a programming circuit, said programming circuit using a configuration mode signal to said PLD to establish said configuration timing relationship and said configuration protocol relationship, said circuit comprising:
- a first circuit to emulate said PLD in said configuration timing relationship; and
a second circuit to emulate said PLD in said configuration protocol relationship, said second circuit being coupled to said first circuit and being coupled to receive said configuration mode signal, and wherein said second circuit is responsive to said configuration mode signal, said second circuit further configured to emulate said PLD in a second configuration protocol relationship responsive to a second configuration mode signal.
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Accused Products
Abstract
A configuration emulation circuit generates configuration signals to emulate a programmable Logic Device (PLD) in a configuration timing relationship and a configuration protocol relationship between a programming circuit and the PLD. The circuit includes a first circuit to emulate the PLD in the configuration timing relationship. The circuit also includes a second circuit to emulate the PLD in the configuration protocol relationship. The second circuit is coupled to receive a configuration mode signal and is responsive to the configuration mode signal.
24 Citations
5 Claims
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1. A circuit for emulating a configuration timing relationship and a configuration protocol relationship between a programmable Logic Device (PLD) and a programming circuit, said programming circuit using a configuration mode signal to said PLD to establish said configuration timing relationship and said configuration protocol relationship, said circuit comprising:
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a first circuit to emulate said PLD in said configuration timing relationship; and a second circuit to emulate said PLD in said configuration protocol relationship, said second circuit being coupled to said first circuit and being coupled to receive said configuration mode signal, and wherein said second circuit is responsive to said configuration mode signal, said second circuit further configured to emulate said PLD in a second configuration protocol relationship responsive to a second configuration mode signal. - View Dependent Claims (2, 3, 4, 5)
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Specification