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Quad-SPI interface on STM32 microcontrollers and ...
Apr 28, 2020 · The Quad-SPI is a serial interface that allows the communication on four data lines between a host (STM32) and an external Quad-SPI memory. The QUADSPI supports the traditional SPI (serial peripheral interface) as well as the Dual-SPI mode which allows to communicate on two lines. QUADSPI uses up to six lines in quad mode: one
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