| 摘要 |
A bit-oriented data link controller provides the interface between a microcomputer or terminal and a data communications link. The data link controller is capable of accommodating the three most commonly available bit-oriented data link control protocols, namely Synchronous Data Link Control SDLC, High Level Data Link Control HDLC, and Advanced Data Communications Control Procedure ADCCP. The data link controller provides the data communications interface for both primary and secondary stations in stand-alone, polling, and loop configurations.
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