The CY7C68013 chip of Cypress company is used as main USB communication control chip,and the flexibility of CPLD is fully used to meet the requirement of real-time collection of multi-channel multi-rate digital signal.

• 该系统采用Cypress公司的CY7C68013芯片作为USB通信的主控芯片,充分应用了CPLD(复杂可编程逻辑器件)的灵活性,仅采用单片USB接口控制芯片,就实现了对多路多速率数字信号的实时采集。