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praveenkumar's avatar
praveenkumar
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5 years ago

nios ii flash programmer

can anyone tell me how i can know the external flash is connected . i added generic tristate controller and conduit bridge in qysys. and assigned pins in pin planner . i want to write to nor f...
praveenkumar's avatar
praveenkumar
Icon for Occasional Contributor rankOccasional Contributor
5 years ago

hi nome ,

In ur board there is no flash data bus lines connected to ur P2AGX Arria® II GX or EPM240 Max ii CPLD.

CFI Flash js28f256m29ewh for this flash if there is no data lines u cannot use it .

its like waste piece in board.

nome's avatar
nome
Icon for Occasional Contributor rankOccasional Contributor
5 years ago

Hello praveenkumar

As above I told Data Bus only connected with FPGA EP2AGX Arria® II GX

No Data Bus connected with CPLD even no WEn pin connected with CPLD

So That's why I am confuse how to program flash memory by CPLD OR FPGA

Thanks

Nome

  • praveenkumar's avatar
    praveenkumar
    Icon for Occasional Contributor rankOccasional Contributor
    5 years ago

    hi nome , as u said

    Data Bus only connected with FPGA EP2AGX Arria® II GX

    No Data Bus connected with CPLD even no WEn pin connected with CPLD .

    the u can program it with ur fpga only.

    i dont know why u r using cpld . there is no option for loading through jtag.

    u can program ur flash by using fpga .