Industrial Ethernet controller based on FPGA
A technology of Ethernet and controller, which is applied in the field of rail vehicle communication network, can solve the problems of inflexible implementation, unsatisfactory processing capacity, real-time and expansion, etc.
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[0028] In order to make the purpose, technical solution and advantages of the present invention more clear, the technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0029] Such as figure 1 As shown, the FPGA-based industrial Ethernet controller includes MRAM storage module, SDRAM storage module, FLASH storage module, Ethernet interface module, current detection module, voice module and expansion interface module. The Cyclone IV series chip EP4CE115F29C7 launched by Altera is used as the core device, and the embedded NiosII soft-core processor is used on the basis of the FPGA, which is connected to the peripherals through the Avalon bus to control the memory interface IP, network transmission chip and other peripheral port IP , and connected to the external Ethernet through the network card control chip Marvell 88E1111.
[0030] Described MRAM storage module selects the MRAM of EVERSPIN company m...
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