基于FPGA的数据接口电路设计

鉴于FPGA设计数字电路的多种优势,针对星上相机输出数据格式和地面采集系统接收数据格式不一致性,改变传统的设计方式,进行了基于FPGA的数据接口电路设计。文章描述了电路设计的基本原理、实现方案、时序仿真,并对电路设计中遇到的关键问题的解决进行了阐述。其中实现方案包括FPGA外围电路硬件设计和FPGA芯片内软件时序设计。

Design of Interfacing Circuit Based on FPGA Technology

According to the data format from cameras on the satellite and data acquisition systems on the ground,interfacing circuit is designed using FPGA because of the advantages in the digital circuit design with FPGA technology.In this article,the function of IC design and realization solution is stated,and then timing simulation is accomplished.Finally,solution of the key problems in circuit design is put forward.Realization solution consists of the design of hardware circuit and timing design of software in FPGA chip.