For STM32U5A5QJI6Q, can we use a Normal SPI Flash instead of Octal SPI Flash? We are asking this question as we want to use Normal SPI Flash to reduce size and cost.
Yes, you can use a SPI flash chip with STM32 as long as it has an SPI interface. You may not be able to enable memory mapped mode like you can for some octospi flash.
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