The microcomputer dialing circuit UM-915-3

Published:2011/6/10 21:32:00 Author:leo | Keyword: The microcomputer dialing circuit UM-915-3 | From:SeekIC

　 UM-915-3 is a microcomputer dialing circuit which is applied in all kinds of telephone. 1.Function features:Integrated circuit UM-915-3 contains a pulse dialing signal processing circuit and key switch code circuit and other circuits. 2.Pin function:Functions of all pins and related data of UM-915-3 are shown in the picture.



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