Quad SPI Flash: Benefits and Uses in General Purpose Microcontrollers

Pin Level Interface 9 Most of the 157 serial flashes noted above are SPI-only: Most Basic SPI Read command: Read Status (o pcode 05), input data 02, SPI mode CS SCK MOSI MISO Read Command (o pcode 0x03), SPI mode, first byte read = 0x38 opcode 24 ...

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