2008•Microcomputer InformationRequires access

USB equipment firmware procedure development based on DSP

Song Gao

Abstract

This article introduced a method to realize USB data transmission using the TMS320VC5509A's own USB module , ana-lyzed the DSP's interior USB module's structure and its transmission principle, how to realize the USB firmware procedure design using chip support library which is integrated in CCS has been introduced in detail, and the related partial codes has been given. This method greatly reduced the complexity of the system's hardware design and the debugging difficulty, it enhanced the system in-tegration rate and the stability, using in the portable equipment is suitable.

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Available abstract

Key concepts: Firmware, USB, Computer science, Debugging, Embedded system, Host controller interface, Computer hardware, USB hub