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Altera_Forum
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13 years ago

How nios can read and write External FPGAs

Hi, In my project am using 4 FPGAs 1) First FPGA am using Nios II 2) I want to access/ Control Other FPGA registers so i have created a custom protocol in slave and master side ir ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

User want to access via UART and access all other FPGAs thats why SPI is not using

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Why do you want to use a custom protocol. Why dont you model the interface as MASTER - SLAVE SPI interface and do a write cycle with address of register and read cycle with teh value of the register.

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