Data acquisition and communication system suitable for small satellite controller local area network
A technology of data acquisition and controller, applied in the direction of data exchange and bus network through path configuration, to achieve the effect of reducing PCB size, high reliability, and large input range
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[0035] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments.
[0036] reference Figure 1b , To make a CAN bus communication device suitable for small satellites using CAN bus. The power management module 1, the central control unit for chip timing control 2, the bidirectional bus transceiver 3 for chip level conversion, and the CAN bus CAN bus controller 4 for bus data communication, CAN bus data transceiver 5 connected to the physical bus, A / D acquisition module 6, and input interface filter circuit 7 for filtering the input analog signal; adopts Xilinx radiation reinforcement FPGA, as the central control unit, completes the register initialization of the CAN bus controller, and uses the query method to generate address latch signals, chip select signals, read enable signals and write enable signals, and simu...
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