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CDP1871A键盘编码器的工作原理及其典型应用

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  • 上传时间:2021-08-18
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  • 标      签: CDP1871A

资 源 简 介

The CDP1871A Keyboard Encoder [1] interfaces directly between a CDP1800-series (or other) processor and a mechanical keyboard array. It services up to 53 ASCII-coded keys and up to 32 Hex-coded keys. This note describes theencoder’s operation, explains its dynamic electrical characteristics, and features those factors that will affect device operation when the encoder is used with a non-1800-series processor.
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