LBl0427A-Communication single chip microcomputer integrated circuit

Published:2011/7/16 2:55:00 Author:leo | Keyword: Communication, single chip, microcomputer, integrated circuit | From:SeekIC

LBl0427A is a kind of communication single chip microcomputer integrated circuit which is widely used in caller ID telephone. Function features:The integrated circuit LBl0427A contains impulse/duel-frequency signal generator, LCD display drive circuit, FSK/DTMF caller ID decoding circuit, keyboard order coding circuit, hands-free trigger circuit, power resources testing circuit, key sound drive circuit and so on. Pin functions and data:LBl0427A uses 80 pin package. The pin functions and related data are shown in the picture.



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