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JBonn
Associate III
January 6, 2023
Solved

user manual for the mb1136 c-04 218430905 board

Can a voltage be applied to pin PC4 on the LSM32L476 chip

This topic has been closed for replies.
KnarfB
KnarfBBest answer
Super User
January 6, 2023

Yes, UM1724 User manual STM32 Nucleo-64 boards (MB1136).

Schematics online: https://www.st.com/en/evaluation-tools/nucleo-l476rg.html#cad-resources

Ther AVDD and AGND pins are perfect to suppy test input, preferrably using a ~1k serial resistor.

hth

KnarfB

4 replies

KnarfB
Super User
January 6, 2023

PC4 is a normal IO pin, not for power supply. If the chip is powered, and PC4 is configured as input, it will accept logic levels. For detailed electrical characteristics see STM32L476xx data sheet.

hth

KnarfB

JBonn
JBonnAuthor
Associate III
January 6, 2023

KnarfB, I did not ask the correct question. I have a mb1136 c-04 218430905 board with the L476 chip loaded and pin OC4 is initialized to read ADC input. I need to kno if there is a way to connect my voltage generator to the PC4 pin on the board to test my analog procssing. A schematic of the board would help. I there a User Guide?

KnarfB
KnarfBBest answer
Super User
January 6, 2023

Yes, UM1724 User manual STM32 Nucleo-64 boards (MB1136).

Schematics online: https://www.st.com/en/evaluation-tools/nucleo-l476rg.html#cad-resources

Ther AVDD and AGND pins are perfect to suppy test input, preferrably using a ~1k serial resistor.

hth

KnarfB

JBonn
JBonnAuthor
Associate III
January 6, 2023
Thanks. That is what I needed. Happy New Year