Thursday, September 11, 2008

NRAM-->Temparal logic folding.......




Above..logic folding...works in Boolean logic......(Note:..use the above pic in u ppt then u wil come to know how exactly it works)


Next, we will present the concept logic folding and how it is performed on NATURE. Since NATURE supports fine-grain run-time reconfiguration, a circuit can be temporally folded first before mapped into NATURE. We call this concept, logic folding. The basic idea for logic folding is that one can use NRAM-enabled run-time reconfiguration to implement different function in one LE every few cycles. Suppose there is a network of logic as this figure shows, it can be mapped to 3 LUTs originally. Use logic folding, one LUT is enough to implement all the three functions. We will put three configuration copies in the NRAM associated with the LUT and reconfigure it to implement each function in each cycle.
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