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Altera_Forum's avatar
Altera_Forum
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18 years ago

NIOS II and flash compatibility

Hi All,

Can I use any CFI Flash device with NIOSII? In this case, where does the SOPC builder know where to get the flash driver from?

Appreciate all the help.

-sanjay

5 Replies

  • Altera_Forum's avatar
    Altera_Forum
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    18 years ago

    Isn't the point that if the flash is CFI-compliant it should, in theory, just work? You do need to specify the signal timings for your device. There is a list of devices verified as compatible in the NIOS II Flash Programmer User Guide.

    Has anyone had trouble getting a particular CFI-compliant flash working?
  • Altera_Forum's avatar
    Altera_Forum
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    18 years ago

    the devices need to comply with either AMD's or Intels CFI spec.

    --dalon
  • Altera_Forum's avatar
    Altera_Forum
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    18 years ago

    When I add a CFI in the " .ptf " , I find I can select 8/16/32bits data width with the flash.

    Is there any 32bits data width flash on sale? Most of the flash data width is 8/16bits width, what does the 32bits mean?

    --Yang
  • Altera_Forum's avatar
    Altera_Forum
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    18 years ago

    --- Quote Start ---

    When I add a CFI in the " .ptf " , I find I can select 8/16/32bits data width with the flash.

    Is there any 32bits data width flash on sale? Most of the flash data width is 8/16bits width, what does the 32bits mean?

    --Yang

    --- Quote End ---

    32Bits is done with 2 16Bit devices or 4 8bits devices.

    This CFI component is available in the SOPC_BUILDER for years and has been widely used for many FLASH founder. If you raise any issue, please flag mysupport.altera.com.

    Maga