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What is the SPI voltage level

I looked in the nRF9160_PS_v2.0.pdf，I can not find the voltage level of SPI signal pins，Does the voltage level of SPI signal pins equal to the voltage supply to the VDD_GPIO pin？

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0 user2111 over 4 years ago

Does the voltage level of SPI signal pins equal to the voltage supply to the VDD_GPIO pin

Yes.

Kenneth
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0 user2111 over 4 years ago

Does the voltage level of SPI signal pins equal to the voltage supply to the VDD_GPIO pin

Yes.

Kenneth
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