摘要
介绍一种基于单片机和USB服务芯片PDIUSBD12的USB接口设计。该接口应用在嵌入式指纹识别系统中,用于嵌入式系统与计算机之间进行用户指纹数据库的上传和下载。详细介绍了USB接口的硬件设计和固件程序的实现。
This paper presents a method to develop a USB interface by using the chip PDIUSBD12 and a single-chip. This USB interface is used to upload and download fingerprint database between embedded fingerprint identification system and computer. The hardware designs of USB interface and the realization of USB firmware are particularized.
出处
《电子技术应用》
北大核心
2007年第9期52-54,共3页
Application of Electronic Technique
