Design of high-speed data transfer system based on DSP and USB 2.0
Zhang Shuai
Abstract
Zhang Shuai
Abstract
This paper discusses the design of high speed data transfer system based on DSP and USB 2.0,and expatiates the principle and method of system.The system utilizes CY7C68001 chip as the USB2.0 interface,which achieves the high speed communication between the host computer and the subordinate machine.Through conducting CPLD design,the weakness of DSP I/O interface function is changed,flexibility is strengthened and the capability of DSP control is enhanced.It uses TMS320LF2407(DSP) as the core chip,which can accomplish the function of control and digital processing.The DSP software realizes the visit of registers of USB chip,operation of endpoint and read of interrupt sources.Finally the design of USB driver is briefly narrated.
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This paper discusses the design of high speed data transfer system based on DSP and USB 2.0,and expatiates the principle and method of system.The system utilizes CY7C68001 chip as the USB2.0 interface,which achieves the high speed communication between the host computer and the subordinate machine.Through conducting CPLD design,the weakness of DSP I/O interface function is changed,flexibility is strengthened and the capability of DSP control is enhanced.It uses TMS320LF2407(DSP) as the core chip,which can accomplish the function of control and digital processing.The DSP software realizes the visit of registers of USB chip,operation of endpoint and read of interrupt sources.Finally the design of USB driver is briefly narrated.
Key concepts: USB, Digital signal processing, Interrupt, Complex programmable logic device, Computer science, Texas Instruments DaVinci, Embedded system, Computer hardware