Nucleo-H743zi2 interfaced with ADS8354

Make dual data line SPI running on nucleo-H743zi2, using SPI-2 as master and SPI-3 slave.

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Best answer by MasterT

After brief review of AN4760, I get an impression that QuadSPI was specificaly designed to interface Flash memory IC.

ADC has absolutely different requirements in respect to timing on CS line, clock - 32 SCLK clocks with 16 data bits.

See pictures:

QuadSPI pattern.png

ads8354 spi-2.png

Graduate II

Why no QSPI ?

MasterTAuthorAnswer

Explorer

After brief review of AN4760, I get an impression that QuadSPI was specificaly designed to interface Flash memory IC.

ADC has absolutely different requirements in respect to timing on CS line, clock - 32 SCLK clocks with 16 data bits.

See pictures:

QuadSPI pattern.png

ads8354 spi-2.png

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