DSP based embedded intelligent controller
An intelligent controller, controller technology, applied in the direction of self-adaptive control, comprehensive factory control, comprehensive factory control, etc., can solve the problems of complex control algorithm powerlessness, poor versatility, bulky, etc., to achieve easy expansion and upgrade, volume power consumption Small, highly integrated effect
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[0013] The present invention will be described in further detail below. See Figure 2.
[0014] The controller mainly includes: DSP processing unit 19, CPLD chip 18, FLASH memory 17, AD converter 14, DA converter 15, FIFO memory 16, CAN bus communication module 25 in hardware.
[0015] The DSP processing unit 19 is oscillated by an external crystal, and the PLL circuit inside the DSP processing unit 19 is frequency multiplied to generate a clock signal. By setting the working mode of the DSP processing unit 19 to the microcomputer mode, the boot loading function of the program can be realized when the chip is reset. In order to improve the reliability of the DSP processing unit 19 during operation, a processor monitoring circuit 25 is configured, which can monitor the chip voltage of the DSP processing unit 19, and also has a watchdog function. Once the core voltage is lower than the normal value, or receiving If the dog feeding signal is not output by the DSP processing unit 19, a...
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