CH05002 Single-Chip Micro-Computer Integrated Circuit

Published:2011/7/9 2:39:00 Author:Robert | Keyword: Single-Chip, Micro-Computer, Integrated | From:SeekIC

The CH05002 is a single-chip micro-computer IC which is widely used in Changhong series large-screen picture-in-picture digital color TV sets. 1.Its functional features. The CH05002 IC's internal part is mainly made up of central processing unit (CPU), clock oscillation circuit (main clock and display clock), reset control circuit, remote-control command signal processing circuit, keyboard scanning coding/decoding circuit, I(2)C bus control circuit, standby.starting control circuit, testing circuit, picture-in-picture control circuit and other some control and auxiliary function circuits. Its internal circuit diagram and signal flowing is shown in picture 1. The picture 1 shows the CH05002 IC's internal circuit diagram and signal flowing. 2.Its pin's function and data. The CH05002 IC uses 42-pin dual package and its pin's function and data is listed in table 1. The table 1 shows the CH05002 IC's pin's function and data.



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