Method for starting field programmable gate array (FPGA)/digital signal processor (DSP) embedded system
An embedded system and embedded technology, applied in the direction of program loading/starting, program control devices, etc., can solve the problems of increasing the complexity of PCB wiring and system volume, and achieve the effect of superior performance and reduced complexity.
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[0022] Specific embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0023] figure 1 It is the hardware structure that the present invention adopts. FPGA / DSP embedded system comprises FPGA chip, DSP chip and EPCS chip, and this method invention selects the cycloneIII series FPGA chip of ALTERA Company, and this series FPGA supports remote configuration technology. Choose the C67XX series DSP chip of TI Company, this series of DSP chip supports the SPI starting mode from the mode. FPGA special configuration chip chooses EPCS16, which is used to store FPGA hardware configuration data and DSP application program data, which has a storage space of 16Mbit.
[0024] Such as image 3 As shown, the present invention provides a kind of startup method of the embedded system of FPGA / DSP structure, and FPGA / DSP embedded system comprises FPGA chip, DSP chip and EPCS chip, is preset with DSP application data and u...
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