Method for positioning position of high-speed parallel data flow trigger point
A technology of data flow and trigger point, applied in the direction of analog/digital conversion, digital variable display, signal transmission system, etc., can solve the problem of not simplifying the logic of synchronous processing, and achieve the effect of low cost
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[0021] The present invention will be further described below in conjunction with the accompanying drawings.
[0022] A method for locating the position of the trigger point of the high-speed parallel data stream of the present invention, the specific implementation includes a digitized voltage comparator and a pipeline trigger addressing module, all of which are completed inside the FPGA.
[0023] like figure 1 As shown, the analog signal is transformed into a digital signal after being converted by the ADC, and the digital signal is sent to the FPGA for serial-to-parallel conversion to become a parallel data stream. Under the digital clock, there are several sampling points to be processed in each cycle, and the trigger can be found quickly and accurately. The position includes two aspects, one is to determine that the data point where the trigger occurs is located in a certain period of the parallel data stream, and the other is to determine which point in the parallel data ...
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