Hello, You can use QSPI to store source JPEG, however it needs to be decompressed into RAM/SDRAM which is where your frame buffer should be placed. Despite S7G2 devices providing support for SDRAM, SK-S7 kit is not equipped with it. You can specify sdram section in the configurator but this will effectively attempt to place/access data in undefined region, and you'll most likely observe hard fault. 640k of RAM available on the S7 can theoretically store a frame buffer that's as big as 640x512 at 16bit color, this is assuming that nothing else in your system is using any RAM (640x480 is more realistic). If you'd like to use double-buffering and JPEG decoding, then you can't really go much higher than 480x320x16bpp on the board without additional SDRAM. QSPI can only be accessed by other peripherals in ROM access mode, which makes it read-only. Regards
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