LOOKUP TABLE, PROGRAMMABLE LOGIC CIRCUIT DEVICE WITH LOOKUP TABLE, AND CONFIGURATION METHOD FOR THE LOOKUP TABLE

摘要

PROBLEM TO BE SOLVED: To reduce the circuit area of a lookup table(LUT), that is, a programmable logic circuit device. SOLUTION: The lookup table of this invention is an M-input N-output lookup table 7 which is provided with a plurality of LUT units 731-738 and with internal configuration control means 71, 721-726 that control the internal configuration by a plurality of the LUT units.