# \#spi\_slave

**URL:** https://forums.digi.com/tag/spi-slave/2854.md

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## [SPI external clock seem not to be detected](https://forums.digi.com/t/spi-external-clock-seem-not-to-be-detected/16762)

<div class="topic-metadata">

**Author:** [@DCA](https://forums.digi.com/u/DCA)\
**Replies:** 0\
**Last updated:** [May 12, 2016, 3:51pm UTC](https://forums.digi.com/t/spi-external-clock-seem-not-to-be-detected/16762 "2016-05-12T15:51:15Z")

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Hello, I try to make 6000 rabbit processor working in SPI slave mode. I use the serial port D and PD0 as clock input. I have some questions because the SPIWrite or SPIRead function make my rabbit freeze when the CS pin…