SPI

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Last Updated: Saturday, 30 October 2021 06:39

Published: Saturday, 30 October 2021 06:39

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SPI and QSPI

SPI = Serial Peripheral interface. It is very popular 4 wire interface, and is supported in many tiny chips because of it's simplicity.

Wikipedia article with basics:

https://en.wikipedia.org/wiki/Serial_Peripheral_Interface

QSPI: Quad SPI

A very good tutorial here: https://embeddedinventor.com/quad-spi-everything-you-need-to-know/