Based on the structure ARM + CPLD / FPGA, a CPU board is built to capture or generate pulse events in order to decode and encode signals, and communicate with computer via USB interface.

• CPU主板采用ARM + CPLD/FPGA的架构，主要完成脉冲事件数据流的生成或捕获，以及相应的编码和解码功能，并通过USB接口实现与计算机的通讯。