CH421 Bidirectional Buffer Interface Chip Chinese Manual

CH421 is a bidirectional buffer interface chip produced by Nanjing Qinheng Electronics Co., Ltd. It has X and Y two 8-bit passive parallel ports, and through X-Y and Y-X two data transmission directions each provide 64 bytes of data buffer, realize X and Y between two ends bidirectional asynchronous data exchange. CH421 supports simultaneous operation of both ends, and is suitable for connecting MCUs, DSP/MCUs, and MCUs with other active parallel interfaces, such as computer printer ports or CH365 local ports.

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Published
29 October, 2023
Updated
29 October, 2023
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12AE7F24FD1A95535D9A98AB8C65843D
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CH421 Bidirectional Buffer Interface Chip Chinese Manual PDF
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