Title：Parallel data bit width conversion circuit for serial interface
Country：China
Patent No.：201910243521.2
Legal Status：Authorized
Inventor：Ziqiang Wang, Mao Li, Chun Zhang, Zhihua Wang
Assignee：Tsinghua University
Address：Tsinghua University,Haidian District Beijing 100084, China
Filing Date：2019-03-28
Issue Date：2020-10-27
Abstract：
A parallel data bit width conversion circuit for a serial interface comprises a transmitting end parallel data bit width conversion circuit and a receiving end parallel data bit width conversion circuit. At a high-speed serial interface transmitting end, a data source inputs 10/20/40-bit parallel data according to requirements, and the 40-bit parallel data is outputted through the transmitting endparallel data bit width conversion circuit and is used by a transmitter achieving a parallel-serial conversion function. At the high-speed serial interface receiving end, the receiver achieving the serial-to-parallel conversion function recovers the 40-bit parallel data, and the 10/20/40-bit parallel data are outputted by the receiving end parallel data bit width conversion circuit according to requirements and is used by a signal processing circuit. The parallel data bit width conversion circuit is simple in structure and smaller in delay and is easy to implement.
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