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Altera_Forum
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8 years ago

Cyclone V Configuration Devices

I've got a Terasic Cyclone V GX development board. I removed the EPCQ256 configuration device and am testing two other alternatives (Macronix MX25L257 and Cypress S25FL128). I created a simple proj...
Altera_Forum's avatar
Altera_Forum
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8 years ago

corestar,

Mine is W25Q128JVSIQ (top marking W25Q128JVSQ), W25Q128JVPIQ is the same one in WSON-8 package. https://www.winbond.com/resource-files/w25q128jv%20spi%20revc%2011162016.pdf

W25Q128JVPIM is a different chip, at least in the way it that returns device id 7018h. W25Q128JVSIQ returns 4018h. I have all the four lines connected, but as I'm using ASx1 I think it's actually using just a single one for the programming.

I'm not sure if "Disable EPCS/EPCQ ID check" does anything, at least anymore. The flash JEDEC ID bytes have to be 0xEF174018, otherwise Quartus just refuses to write the flash.