Cypress S25Hx256T / S25Hx512T / S25Hx01GT serial flash

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J-Flash SPI supports only SPI Flashes with uniform sector sizes. By default the Cypress S25Hx256T/512T/01GT has a hybrid sector architecture. Therefore you need to set the configuration bit 3 UNHYSA within CFR3x register.

Reconfigure Cypress S25Hx256T / S25Hx512T / S25Hx01GT serial flash to 256kByte sector size

The following initsteps show how to reconfigure the serial flash to the supported 256kByte sector size within J-Flash SPI.

InitStepsJFlashSPI ReconfigureCypressSectorSize1.png