Abstract
Domestic serial and parallel interface module is based on domestic high performance FPGA CPCIE module. This type of FPGA has rich logical resources and internal integration of a variety of high-speed interfaces, such as PCIE, high-speed Serdes interface, which can achieve serial port, time system, network and other interfaces design, greatly simplifying the hardware design of the module. The main communication interfaces, PCIE and UART, are realized by the IP core of FPGA, realizing the integration of the main functions on the chip, which greatly improves the flexibility and expansibility of the design.
Highlights
Serial communication has been widely used because of its few transmission lines, low cost and flexible configuration
Under the background of independent control, this design proposes a design scheme of CPEX reinforced serial port module based on domestic FPGA
The transceiver adopts adm2582 of ADI company, which mainly has the following characteristics: a) The internal level is 3.3V, which can be directly connected with FPGA; b) Internal integrated isolation power supply, improve the integration, simplify the design and reduce the board pair; c) The speed can reach 16mbps; d) Isolation voltage 2500V
Summary
Serial communication has been widely used because of its few transmission lines, low cost and flexible configuration. FPGA, field programmable gate array, is a kind of semi custom circuit in the field of application specific integrated circuit. It solves the shortcomings of custom circuit, and overcomes the shortcomings of limited gate circuits of original programmable devices. Under the background of independent control, this design proposes a design scheme of CPEX reinforced serial port module based on domestic FPGA. The main communication interfaces of domestic serial and parallel interface module, such as PCIe and UART, are implemented with the IP core of FPGA. The main functions are integrated on chip, which greatly improves the flexibility and scalability of the design
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