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<p>Gives a place to hold &#039;Further reading&#039; items</p> <p><b>New page</b></p><div>A number of '''QBUS asynchronous serial interfaces''' are available; some are single-line units, others are multi-line. Most are [[programmed I/O]] (sometimes using [[interrupt]]s on the [[QBUS]]), but there are some which use [[Direct Memory Access|DMA]]. Most are [[peripheral]]s dedicated solely to providing [[asynchronous serial line]]s, but a few are multi-function units which also provide other capabilities.<br /> <br /> ==Single-line programmed I/O==<br /> <br /> * [[DLV11 asynchronous serial line interface]]<br /> * [[DLV11-E asynchronous serial line interface]]<br /> * [[DLV11-F asynchronous serial line interface]]<br /> <br /> ==Multi-line programmed I/O==<br /> <br /> * [[DLV11-J asynchronous serial line interface]]<br /> * [[DZQ11 asynchronous serial line interface]]<br /> * [[DZV11 asynchronous serial line interface]]<br /> <br /> ==Multi-line DMA==<br /> <br /> * [[DHQ11 asynchronous serial line interface]]<br /> * [[DHV11 asynchronous serial line interface]]<br /> * [[CXY08 8-Line Asynchronous Multiplexer]]<br /> <br /> ==Multi-function==<br /> <br /> * [[MXV11-A Multifunction Option Module]]<br /> * [[MXV11-B Multifunction Option Module]]<br /> <br /> ==Further reading==<br /> <br /> * ''Async., Serial Line Unit Comparisons'', [[MicroNote]] #024A<br /> * ''Cables for DLV11, DLV11-E, DLV11-F'', MicroNote #033<br /> <br /> [[Category: QBUS Asynchronous Serial Interfaces]]</div>

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