GD9915-an integrated microcomputer circuit of communication single door

Published:2011/5/13 6:27:00 Author:Borg | Keyword: microcomputer, communication single door | From:SeekIC

GD9915 is an integrated microcomputer circuit of communication single door, which is used in caller display phones.Function featuresGD9915 is a four bit microprocessor, which can not only control the reception, handling and displaying data of call FSK and DTMF, but also has other functions like pulse/two-tone coupling dialing and so on. (1) it contains FSK decipherers which are conforming to BELL202 and ITU-TV23. (2) it contains LCD drive and control circuits, which can directly drive the LCD display.



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