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2004•Journal of Changchun Post and Telecommunication InstituteRequires access

USB interface design for data acquisition systems

Di Tian

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Abstract

The data acquisition system of general Bus dose not support hot inserting and pulling operation,the resouces of PC port is limited.The data acquisition system applied USB(Universal Serial Bus) as communication bus has the merit of convenient interface, easy to expand and low cost. In this system, we used the MCU P89C51RDHBA with ISP(In-System Programing) function and the special purpose USB interface chip PDIUSBD12 as hardware communication platform, and use the USB1.1 specification to design communication program in KILE C compiling environment. The test result show that the sample speed is up to 136 bit/s.

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What this paper is about

The data acquisition system of general Bus dose not support hot inserting and pulling operation,the resouces of PC port is limited.The data acquisition system applied USB(Universal Serial Bus) as communication bus has the merit of convenient interface, easy to expand and low cost. In this system, we used the MCU P89C51RDHBA with ISP(In-System Programing) function and the special purpose USB interface chip PDIUSBD12 as hardware communication platform, and use the USB1.1 specification to design communication program in KILE C compiling environment. The test result show that the sample speed is up to 136 bit/s.

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Available abstract

The data acquisition system of general Bus dose not support hot inserting and pulling operation,the resouces of PC port is limited.The data acquisition system applied USB(Universal Serial Bus) as communication bus has the merit of convenient interface, easy to expand and low cost. In this system, we used the MCU P89C51RDHBA with ISP(In-System Programing) function and the special purpose USB interface chip PDIUSBD12 as hardware communication platform, and use the USB1.1 specification to design communication program in KILE C compiling environment. The test result show that the sample speed is up to 136 bit/s.

Key concepts: USB, Computer science, Interface (matter), Serial communication, eXtensible Host Controller Interface (xHCI), Computer hardware, Data acquisition, Serial port

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