#sdram
http://main.lv/writeup/stm32f4_sdram_configuration.md#toc-1
https://github.com/STMicroelectronics/32f429idiscovery-bsp/blob/main/stm32f429i_discovery_sdram.c
https://electronics.stackexchange.com/questions/349834/what-does-burst-size-of-a-sdram-means
Post #459
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