Only 1.5v at SPI clock signal on SPM32F103

Discussions concerning TrueSTUDIO for STM32 9.0.0 and later versions.

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AntonioTesta
Posts: 1
Joined: Tue May 07, 2019 3:12 pm

Only 1.5v at SPI clock signal on SPM32F103

Postby AntonioTesta » Tue May 07, 2019 3:23 pm

Hello folks, I have a very very understandable situation. One STM32F103 board (blue pill clone) is issuing a SPI clock wiyh only 1.5v !!! All other signal such MOSI is ok at 3.3v but clock insist on be at 1.5v only!!! It happens on SPI 1 and SP2 chanel. Does anybody have similar problem ? Thanks to all

frank_ee
Posts: 103
Joined: Wed Apr 05, 2017 5:08 pm
Location: USA

Re: Only 1.5v at SPI clock signal on SPM32F103

Postby frank_ee » Tue Sep 10, 2019 8:54 pm

Hello,

Is the SPI clock trace shared with anything else?


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