基于高速外设模块的多核DSP与FPGA通信系统设计

Design of communication system between multicore DSP and FPGA based on high-speed peripheral module

详细介绍了TI公司TMS320C6678多核DSP高速外设模块EMIF16(外部存储器接口)的功能及特性,利用EMIF模块扩展存储空间大、通信速度快、硬件接口电路简单、性能稳定等特点,设计并实现了一种基于EMIF模块的DSP与FPGA异步通信接口,重点描述了接口通信系统架构设计和具体软件实现。测试验证表明基于该接口可进行DSP与FPGA之间多种格式数据传输,接口运行稳定可靠,扩展了TMS320C6678多核DSP处理芯片与外部器件通信系统接口的设计方式。

External Memory Interface（EMIF） is a high-speed interfaces of TMS320C6678,which is high performance multicore DSP. In order to apply the module,the function and features of EMIF16 are analyzed and one kind of asynchronous communication interface between DSP and FPGA is designed and implemented in the pepar. The design of the interface take full advantage of the characters about large external memory space,high-speed transmission,simple design and stable property of EMIF16. The paper mainly describes the system architecture design and software implementation of the communication interface. The test results show that the interface between DSP and FPGA can support a variety of formats data transmission,interface operation is stable and reliable. The design extends the communication system interface between multicore DSP processing chip and external devices.