摘要
文中介绍了Cypress公司EZ -USB芯片AN2 131QC的结构、特点及使用方法 ,基于AN2 131QC芯片设计了USB接口通讯系统。详细分析了系统中各硬件电路模块的设计思路 ,讨论了开发EZ -USBfirmwareFrameWorks、主要功能模块firmware的流程 ,并给出了PC机中USB通讯驱动程序方案。经实际测试 。
The structure, characteristics and usage of AN2131QC of Cypress EZ-USB are introduced, the USB interface communication system is designed based on AN2131QC. The designing method of system hardware modules is also analyzed in details, and the exploration procedures of EZ-USB firmware frameworks and other main firmware modules are discussed, and the driver scheme of USB interface communication system is presented. The system design is proved successful with practical test.
出处
《计算机测量与控制》
CSCD
2003年第7期539-542,共4页
Computer Measurement &Control