Published:2011/7/7 6:29:00 Author:Robert | Keyword: Single-Chip, Micro-Computer, Integrated | From:SeekIC
The CTV225S-PRC1 is a single-chip micro-computer IC which is widely used in sony, hitachi etc. series digital color TV sets' system control circuits.
1.Its functional features.
The CTV225S-PRC1 IC's internal part is mainly made up of central processing unit (CPU), clock oscillation circuit, reset control circuit, key scanning coding and decoding circuit, I2C bus control circuit, remote-control command signal processing circuit, screen display character generating and processing circuit, standby and starting power control circuit, system mode selection circuit, and other some control and auxiliary function circuit.
2.Its pin's function and data.
The CTV225S IC uses 42-pin dual inline package. Its pin's function and signal flowing is shown in picture 1 and its pin's letter code and data is listed in table 1. Its internal circuit diagram and pin's function and signal flowing is shown in picture 1.
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