# WP77xx/WP76xx SPI minimum speed

**URL:** <https://forum.sierrawireless.com/t/wp77xx-wp76xx-spi-minimum-speed/34389>\
**Category:** WP Series\
**Created:** [January 22, 2025, 3:44pm UTC](https://forum.sierrawireless.com/t/wp77xx-wp76xx-spi-minimum-speed/34389 "2025-01-22T15:44:04Z")\
**Posts on this page:** 1\
**Showing post:** 15

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**Author:** ![sergey.semernin](https://avatars.discourse-cdn.com/v4/letter/s/85e7bf/32.png) [@sergey.semernin](https://forum.sierrawireless.com/u/sergey.semernin)\
**Post date:** [January 23, 2025, 2:12pm UTC](https://forum.sierrawireless.com/t/wp77xx-wp76xx-spi-minimum-speed/34389/15 "2025-01-23T14:12:35Z")

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So, probably, I need to switch to GPIO bit-banging to emulate low-speed SPI, using high resolution timer in Linux Kernel.

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