remote data concentrator
A remote data and concentrator technology, applied in the direction of selection devices, transmission systems, electrical components, etc., can solve the problems of opaque internal design, unfavorable autonomous control of the aviation industry, etc., to reduce forwarding time, improve forwarding performance, and reduce complexity and scheduling effects
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[0027] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0028] The underlying modules of the remote data concentrator shown in this embodiment include an ARINC429 logic module and an ARINC825 communication module.
[0029] The ARINC429 logic module contains several ARINC429 receiving modules, see figure 2 As shown, each ARINC429 receiving module is used to receive one channel of ARINC429 data, and the ARINC429 receiving module includes ARINC429 data receiving logic, ARINC429 receiving FIFO, ARINC429 dual-port BRAM and data flow control module.
[0030] The ARINC429 data receiving logic is used to receive the ARINC429 data frame coming from the ARINC429 bus, and store the ARINC429 data frame into the ARINC429 receiving FIFO.
[0031] ARINC429 dual-port BRAM internally divides 256 address buffer areas according to the label number (label number) of each ARINC429, and the size of each buffer area is...
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