Compact peripheral components interconnect (CPCI)-bus-based 1553B protocol data communication and serial loading module
A technology of protocol data and loading modules, which is applied in the field of computer communication, can solve problems such as difficult secondary development, high price, and inability to meet the requirements of special interface signals of the system, and achieve high reliability and stable performance
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[0075] A kind of 1553B protocol data communication and serial loading module based on CPCI bus of the present invention, its hardware is as figure 1 As shown, it includes an impedance control circuit board 101 , several electronic components 102 , a DB25 signal connection socket 103 , a standard CPCI bus connector 104 , and a standard 3U Eurocard board front panel 105 .
[0076] The invention also includes the development of FPGA logic functions and the setting of various configuration information, and finally realizes 1553B protocol data communication, serial loading and CPCI bus operation.
[0077] The impedance control circuit board 101 adopts a standard Eurocard mechanical structure, a 3U shape, a board size of 160mm×100mm, and a thickness of 1.6mm.
[0078] The impedance control circuit board 101 adopts standard FR-4 material board, 4-layer PCB design, such as figure 2 As shown, the first layer (L1) is the signal layer 1, the second layer (L2) is the ground layer, the t...
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