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rMa1's avatar
rMa1
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8 years ago

FPGA AS SPI FLASH 远程升级方案确认

目前的系统里面有两块主板，装在系统的不同位置。FPGA板和MCU板，FPGA与MCU之间通过RS422全双工通讯。FPGA使用cyclone IV E，与之连接着EPCS64。处理系统中原有的功能，现在想增加在线升级功能，但硬件不做变更，想利用MCU通过RS422将升级文件传输给FPGA，然后FPGA自己完成AS配置。 现在有下面的问题： 本方案是否可行，是不是必须使...
Abe's avatar
Abe
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8 years ago

I believe you can use the NIOS - II processor on the FPGA and setup a SOPC kind of system where in you can use NIOS to transfer data from memory (SRAM/SDRAM) to UART. This can be implemented on both systems, plus you can also design and connect custom user logic into the NIOS design.