2025-03-15 3:12 AM
Hey, I am looking for a STM32H5 evaluation kit or any other evaluation kit that can support my peripheral that is controlled by a 1.2V GPIO. Pls recommend an evaluation kit that can support the GPIO voltage rail configuration to change the voltage rail to 1.2V. Thanks.
2025-03-15 8:13 AM - edited 2025-03-15 8:13 AM
Hi,
seems some pins can work at this voltage, but not the whole cpu: on H523..H562+563
How many pins you need at 1.2 V ?
2025-03-15 8:16 AM
Hello,
Thanks for your quick response, I will only need 2. Are you aware of any EVK that support such GPIOs?
2025-03-15 8:43 AM - edited 2025-03-15 8:49 AM
Hi,
yes, i have the nucleo-H563 , there you can separate the vddio2 pin 121 and then supply it ...yourself: at 1.2V ...
https://www.st.com/en/evaluation-tools/nucleo-h563zi.html
...but be aware: pins at 1.xx V are not very fast , see ds H563 :