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Altera_Forum
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10 years ago

Parallel Flash Loader PFL: What CFI IDs for Spansion S29WS256P?

Greetings, I have a custom board with Cyclone-V and Max-V 5M1270 plus a Spansion S29WS256P 16b NOR flash, the Max-V sits between the FPGA's configuration pins and the flash memory. I would ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Solved: I inadvertently had the AVD# pin pulled up instead of down, so the PFL could not set any addresses on the device (AVD# 'address valid' is not a PFL pin). With that fixed I find that the S29WS256P is already defined in the PFL / progammer tool, no custom CFI device needed. The PFL can now happily write & verify my device.

Now to get it to configure the FPGA...