According to the construct and principle of the chip EZ?USB, the process of how to design the hardware and software of the CAMAC crate control unit with USB interface (CCU?USB) is decribed in this paper. ?

• 结合EZ-USB(AN2131QC)的结构及工作原理,介绍了带USB接口的CAMAC机箱控制器CCU-USB的电路设计和软件设计。