Based On The F2812 Data Analysis System And The Ethernet Interface

In the rapid development of today's digital signal processing, information processing technology has become a key technology. Digital signal processor (DSP) chip has become more and more widely used in the information electronics, wireless communications, automatic control technology, instrumentation and many other fields of science. DSP can not only quickly achieve a variety of digital signal processing algorithms, but also has strong capabilities of data processing. So DSP has become a hot technology in the area of the current signal research.This paper mainly researches on the data acquisition system analysis which are based on the DSP chip- TMS320F2812, which is produced by TI company; In this paper the author also design the interface circuit between the DSP system and the Ethernet. The data acquisition part uses the 12-bit ADC of F2812 itself, completing data acquisition using one of the 16 data channels; then memory the data which have been collected; and the next step is filtering and FFT. In the end of the system, communicate these datas through the interface between the DSP system and the Ethernet.This paper first introduces the development of some related technology, then introduces the principle of DSP technology, as well as the characteristics of the chip F2812. On this basis,we design the hardware and software of data acquisition system, and then debug on the system of hardware and software separately, analysis the results of data collection and hands out a kind of feasibility correction methods to improve the precesion of ADC. The part of Data analysis uses the classical FFT analysis algorithm. In the end of this paper, based on the DSP data analysis, design the hardware and software interface circuit between the F2812 and the 8019, build a Ethernet communication system with F2812DSP.