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SPI

446 次查看
siyuanzhengwei
Contributor III

在我对SPI主从机通信的测试中,我设置SPI0作为我的从机,SPI2作为主机,我将PTB3作为SPI2的SOUT,同时我还分别测试了SPI0作为从机时,PTE0,PTC9,PTD10,PTD16作为SIN时的数据接收情况,发现PTE0作为SIN时没有数据接收,PTC9作为SIN时前四个数据错误,PTD10,PTD16则正常,经反复测试,并确保接线正常,有通过设置成GPIO测试过输入正常,这可能是什么原因

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413 次查看
Senlent
NXP TechSupport
NXP TechSupport

Hi@xuanming

你所使用的MCU型号是什么?所使用的RTD版本是什么?所使用的版本太低的话请升级至较新的版本再进行尝试。如果依然有问题,提供你的测试工程以及你的波形截图。

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%3CLINGO-SUB%20id%3D%22lingo-sub-2305672%22%20slang%3D%22zh-CN%22%20mode%3D%22CREATE%22%3ESPI%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2305672%22%20slang%3D%22zh-CN%22%20mode%3D%22CREATE%22%3E%3CP%3E%E5%9C%A8%E6%88%91%E5%AF%B9SPI%E4%B8%BB%E4%BB%8E%E6%9C%BA%E9%80%9A%E4%BF%A1%E7%9A%84%E6%B5%8B%E8%AF%95%E4%B8%AD%EF%BC%8C%E6%88%91%E8%AE%BE%E7%BD%AESPI0%E4%BD%9C%E4%B8%BA%E6%88%91%E7%9A%84%E4%BB%8E%E6%9C%BA%EF%BC%8CSPI2%E4%BD%9C%E4%B8%BA%E4%B8%BB%E6%9C%BA%EF%BC%8C%E6%88%91%E5%B0%86PTB3%E4%BD%9C%E4%B8%BASPI2%E7%9A%84SOUT%2C%E5%90%8C%E6%97%B6%E6%88%91%E8%BF%98%E5%88%86%E5%88%AB%E6%B5%8B%E8%AF%95%E4%BA%86SPI0%E4%BD%9C%E4%B8%BA%E4%BB%8E%E6%9C%BA%E6%97%B6%EF%BC%8CPTE0%2CPTC9%2CPTD10%2CPTD16%E4%BD%9C%E4%B8%BASIN%E6%97%B6%E7%9A%84%E6%95%B0%E6%8D%AE%E6%8E%A5%E6%94%B6%E6%83%85%E5%86%B5%2C%E5%8F%91%E7%8E%B0PTE0%E4%BD%9C%E4%B8%BASIN%E6%97%B6%E6%B2%A1%E6%9C%89%E6%95%B0%E6%8D%AE%E6%8E%A5%E6%94%B6%EF%BC%8CPTC9%E4%BD%9C%E4%B8%BASIN%E6%97%B6%E5%89%8D%E5%9B%9B%E4%B8%AA%E6%95%B0%E6%8D%AE%E9%94%99%E8%AF%AF%EF%BC%8CPTD10%2CPTD16%E5%88%99%E6%AD%A3%E5%B8%B8%2C%E7%BB%8F%E5%8F%8D%E5%A4%8D%E6%B5%8B%E8%AF%95%EF%BC%8C%E5%B9%B6%E7%A1%AE%E4%BF%9D%E6%8E%A5%E7%BA%BF%E6%AD%A3%E5%B8%B8%EF%BC%8C%E6%9C%89%E9%80%9A%E8%BF%87%E8%AE%BE%E7%BD%AE%E6%88%90GPIO%E6%B5%8B%E8%AF%95%E8%BF%87%E8%BE%93%E5%85%A5%E6%AD%A3%E5%B8%B8%EF%BC%8C%E8%BF%99%E5%8F%AF%E8%83%BD%E6%98%AF%E4%BB%80%E4%B9%88%E5%8E%9F%E5%9B%A0%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-2305851%22%20slang%3D%22zh-CN%22%20mode%3D%22CREATE%22%20translate%3D%22no%22%3ERe%3A%20SPI%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2305851%22%20slang%3D%22zh-CN%22%20mode%3D%22CREATE%22%3E%3CP%3EHi%40%3CSPAN%3Exuanming%3C%2FSPAN%3E%3C%2FP%3E%0A%3CP%3E%E4%BD%A0%E6%89%80%E4%BD%BF%E7%94%A8%E7%9A%84MCU%E5%9E%8B%E5%8F%B7%E6%98%AF%E4%BB%80%E4%B9%88%EF%BC%9F%E6%89%80%E4%BD%BF%E7%94%A8%E7%9A%84RTD%E7%89%88%E6%9C%AC%E6%98%AF%E4%BB%80%E4%B9%88%EF%BC%9F%E6%89%80%E4%BD%BF%E7%94%A8%E7%9A%84%E7%89%88%E6%9C%AC%E5%A4%AA%E4%BD%8E%E7%9A%84%E8%AF%9D%E8%AF%B7%E5%8D%87%E7%BA%A7%E8%87%B3%E8%BE%83%E6%96%B0%E7%9A%84%E7%89%88%E6%9C%AC%E5%86%8D%E8%BF%9B%E8%A1%8C%E5%B0%9D%E8%AF%95%E3%80%82%E5%A6%82%E6%9E%9C%E4%BE%9D%E7%84%B6%E6%9C%89%E9%97%AE%E9%A2%98%EF%BC%8C%E6%8F%90%E4%BE%9B%E4%BD%A0%E7%9A%84%E6%B5%8B%E8%AF%95%E5%B7%A5%E7%A8%8B%E4%BB%A5%E5%8F%8A%E4%BD%A0%E7%9A%84%E6%B3%A2%E5%BD%A2%E6%88%AA%E5%9B%BE%E3%80%82%3C%2FP%3E%3C%2FLINGO-BODY%3E