Multiparameter three-dimensional digital encryption method
A three-dimensional digital, encryption method technology, applied in digital transmission systems, electrical components, transmission systems, etc., can solve the problem of word length limitation decimals, etc., to achieve the effect of many encryption parameters, great decryption difficulty, and simple calculation formula
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[0016] Combine below figure 1 The present invention is further described.
[0017] like figure 1 As shown, the overall block diagram of the present invention includes a computer, 485 (1), 485 (2), a level conversion circuit composed of T1, T2, R1, R2, R3, R4, FPGA and program memory. The port is connected to the 485(1) serial port, the standard bus connection is made between the 485(1) and 485(2), and the 485(2) serial port is connected to the level conversion circuit to solve the signal mismatch and ensure the normal circuit Work, the level conversion circuit is connected with the I / O port in the FPGA respectively, and the FPGA is connected with the USB serial port, and the Ncs, data, asdi and dclk signal ports in the FPGA are respectively connected with the Ncs, data in the program memory , asdi and dclk signal ports are connected one by one, the 5V power supply is connected to the 485 (2) power supply pins, and the 3.3V power supply is connected to the FPGA and the progra...
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