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nome's avatar
nome
Icon for Occasional Contributor rankOccasional Contributor
4 years ago
Solved

FPGA configuration without cpld

hello I m using arria ii gx with cfi nor parallel flash memory x8 FPP Mode As we know when we start configure fpga from cfi flash we should have cpld and processor or directly from spi flash it is al...
  • Ash_R_Altera's avatar
    Ash_R_Altera
    4 years ago

    Hi,

    Just to let you know that as @sstrell mentioned, 'Active' mode is required to initiate the configuration by FPGA itself. In 'Passive' mode, an external device such as CPLD or microprocessor should initiate it.

    Choose according to your need and available component.


    Regards


sstrell's avatar
sstrell
Icon for Super Contributor rankSuper Contributor
4 years ago

Well, that's the difference between "passive" and "active" configuration. Passive means that a secondary device handles configuration, while active means that it's managed directly by the FPGA to the flash device. If you can't change this in your design (can't change your board design?) to connect the flash directly to the FPGA, you can't use an active configuration protocol like active serial (AS).