摘要
USB接口具备连接简单、即插即用和热插拔等特点,用USB接口取代传统的串口和并口已经成为设计新型计算机外设的趋势.文章讨论了新型USB输入部件的设计方法,并实现了用单片机和usb接口芯片pdiusbd12设计新型空白热键和数字小键盘。
USB interface have been used popularity due to its simple connection, plug and play feature and hot insertion capability. Using the USB interface instead of the traditional serial interface and parallel interface become the trend in designing new peripheral device for computer. This paper discuss a design method about a new USB entry device which using USB chipset named pdiusbd12 design the new blank key and small digital keyboard.
出处
《计算机与数字工程》
2009年第3期194-196,共3页
Computer & Digital Engineering
