USB communication system of field excitation controller based on DSP chip, and operation method thereof
A technology of communication system and working method, applied in the field of USB communication system, can solve the problems of poor flexibility, difficult to realize control theory, difficult transmission function, etc., and achieve the effect of convenient debugging
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[0050] Embodiment: a communication system of excitation controller based on DSP chip (the system structure diagram is as follows: figure 1 It is characterized in that it uses the latest high-performance motor control DSP chip TMS320F2812 from Texas Instruments as the central processing unit, the signal acquisition front-end circuit and the A / D conversion circuit; at the same time, the DSP puts the calculated important data in the dual In the port RAMCY6C142, the USB firmware program is realized through the cooperation of the USB communication module, namely the 51 single-chip microcomputer and the USB control chip CH375, the lower computer cooperates to realize the USB transmission protocol, and the upper computer realizes the access to the hardware I / O port through the driver and application program. Data analysis and processing (schematic diagram such as figure 2 ).
[0051] The above-mentioned signal acquisition front-end circuit is as follows Figure 7 As shown in the f...
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