CH238 Accompaniment Control Integrated Circuit

Published:2011/7/9 2:52:00 Author:Robert | Keyword: Accompaniment, Control, Integrated | From:SeekIC

The CH238 is a accompaniment control IC which is widely used in many brands of electronic musical instruments such as electronic organ and so on. 1.Its functional features. The CH238 IC uses CMOS production technology so that it has the a CMOS feature. It has internal two parts which are disintegration chord accompaniment control and bass chord accompaniment control. Its essence is a accompaniment pattern control memory (ROM) which is designed according to the need of music. It can make up 6 kinds of combinations of the disintegration chord and bass chord to be chosen. 2.Its pin's function. The CH238 IC uses 24-pin dual plastic inline package and its pin's function is shown in table 1. The table 1 shows the CH238's pin's function.



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