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HervePrecheur · 2019-11-21

HiIn the STM32L151RCT6 Datasheet (August 2017, DocID022799 Rev 13) it is specified that the PC0 to PC10 GPIO pins are 5V tolerant except the PC3, that should have a standard 3V3 IO structure. We have measured these GPIOs and have found that the PC3 h...

HervePrecheur · 2019-11-22

Hi JanRegarding PC6, I thought the same as you at the beginning, but we tested a different routine, where we only write data into the PC port (without reading) and the signal is push-pull for all the pins, so the physical pin seems to be fine. I do ...

HervePrecheur · 2019-11-21

Hi JanThanks for you reply, I am new in the ST forums.I have checked again the DS, and PC0, PC1, PC2 and PC3 have the same Additional functions (ADC_IN and COMP1_INP) but only PC3 is non 5V tolerant.We are using PC0..PC7 as a parallel bus to control...

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STM32L151RCT6 PC3 5V Tolerant GPIO

Re: STM32L151RCT6 PC3 5V Tolerant GPIO

Re: STM32L151RCT6 PC3 5V Tolerant GPIO