A data transmission system and a control method thereof
A technology of a data transmission system and a control method, which is applied to a UART-based data transmission system and its control field, can solve the problems of difficult data transmission and reception, low data transmission efficiency, lack and the like, and achieves the effect of efficient transmission
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[0042] The present invention will be described in further detail below through examples, and the following examples are explanations of the present invention and the present invention is not limited to the following examples.
[0043] Such as figure 1 As shown, a UART-based data transmission system of the present invention includes a read-write control unit, an analysis circuit, a receiving FIFO, a receiving FSM, a sending FSM, an AXI master interface and an APB slave interface. The receiving FSM is a data receiving circuit, and the sending FSM is a data sending circuit.
[0044] Receiving the FSM input RXD signal is used to oversample and denoise the RXD signal to obtain a reliable serial signal. According to the UART protocol, the data receiving circuit will also detect the start bit, receive serial data, parity check and stop bit check, etc. The received parallel data is finally sent to the analysis circuit through the data receiving circuit. The data receiving circuit i...
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