---
title: "#stm32f401re articles | Hashnode"
description: "Explore 1 articles tagged #stm32f401re on Hashnode. Tutorials, guides, and how-tos from the community."
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# #stm32f401re

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[ampheo](https://hashnode.com/@ampheo) · [Dec 22, 2025](https://hashnode.com/posts/what-pins-are-used-for-spi-on-stm32/6949149c715eb7a0c5740525)

### [What pins are used for SPI on STM32?](https://ampheoelectronic.hashnode.dev/what-pins-are-used-for-spi-on-stm32?utm_source=hashnode&utm_medium=feed)

On STM32 there isn’t one single “SPI pin set” across all chips. SPI pins depend on the exact STM32 family/package and the pin alternate-function mapping. But the SPI signals are always the same: SCK (clock) MOSI (master out) MISO (master in) NSS/...

1 min read · [ampheoelectronic.hashnode.dev](https://ampheoelectronic.hashnode.dev/what-pins-are-used-for-spi-on-stm32?utm_source=hashnode&utm_medium=feed)