发明名称 OVERSPEED DATA RATE ADJUSTMENT METHOD AND APPARATUS IN AN ASYNCHRONOUS DATA STREAM
摘要 <p>An improved process handles asynchronous data in which certain stop bits have been deleted or extra stop bits added to accommodate speed differences between a data source and the asynchronous data stream rate. A second asynchronous data stream is generated based upon said first data stream. Upon detecting a missing stop bit, a shortened stop bit is generated in the second data stream and a predetermined number of subsequent stop bits are also shortened to achieve synchronization with the first data stream. In a preferred embodiment, the receipt of an extra stop bit in the first data stream while shortened stop bits are being generated results in the extra stop bit not being generated in the second data stream and a corresponding flag set. If another missing stop bit occurs while shortened stop bits are being generated and if the flag is set, a shortened stop bit is inserted and the flag is reset.</p>
申请公布号 WO1991014328(A1) 申请公布日期 1991.09.19
申请号 US1991001685 申请日期 1991.03.13
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