Processor device with self-diagnosis function
A processor and self-diagnosis technology, applied in the direction of electrical digital data processing, instruments, calculations, etc., can solve the problems of single operating status display, few self-diagnosis functions, and small coverage, so as to reduce power consumption, low power consumption, Increased timeliness effect
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[0048] figure 1 is a functional block diagram of the processor device of the present invention, figure 2 It is a block diagram of the operating mode recognition circuit of the processor device of the present invention, such as figure 1 , figure 2 , image 3 As shown, the processor device of the self-diagnosis function of the present invention is arranged on the system motherboard bus, and the processor of the self-diagnosis function includes a key switch, an optocoupler isolator, a CPLD and an embedded processor, and the signal of the key switch passes through the optical The coupling isolator is passed to the CPLD, and the CPLD carries out data communication with the processor through the multi-channel data transmission bus in the circuit, and the processor with the self-diagnosis function is provided with 3 kinds of operation modes including normal operation, test and download mode, The above three operating modes are selected and realized through the 3-digit key switch...
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