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Balerion's avatar
Balerion
Icon for Occasional Contributor rankOccasional Contributor
1 year ago

Generic Quad SPI Controller-2 MT25QL01GBBB8E12 Write Problem.

Hi all, I have a custom board which has two MT25QL01GBBB8E12-0SIT flash on it. One is connected to EPCQ Controller. In this one, I am using the Public API functions inside altera_epcq_controller.h a...
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Farabi_Altera's avatar
Farabi_Altera
Icon for Regular Contributor rankRegular Contributor
10 months ago

Hello,


Few things you can check/do:

1- Ensure WEL(Write Enable Latch) is set.

2- It is common practice to Erase the Flash before you perform flash write.

3- Verify the flash controller configuration is matching flash requirements :

i- clock frequency

ii- dummy clock cycles, address etc.


regards,

Farabi