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SPraj.15
Associate II
November 27, 2018
Question

3 AND 4-Wire SPI interface on STM32F030

Hello,

I have to use STM32F030C6 controller. it has only one SPI interface.

in my project i want to connect external flash memory and TFT DISPLAY both on single SPI with controller.

problem is TFT display is 3-wire SPI interface & flash memory is 4-wire SPI interface.

in 3-wire SPI generally MOSI pin is connected to MISO through 10K resistor.

So how to i configure single SPI of controller as both 3 and 4-wire SPI interface.

Thank you

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