STM32 MCUs Boards and hardware tools

Resolved! How to power STM32H725IGK6

Hello,i intend to use a STM32H725IGK6 device in my design.The system will be suplied from a single 3.3 voltage source.Apart from VDD,VBAT pins, i see this device has some VDDLDO pins, and 3 VCAP pins.How shall i power the vddldo pins? Can i tie them...

Resolved! Help on ball grid array bending during reflow

Hi, I work for a CEM in the UK and we've run into a problem when reflowing an STM32H757XIH6 BGA onto a PCBA. Under optical microscope inspection we're seeing that the center of the component is further away from the PCB surface than the corners. The ...

Resolved! can't find pinout for stm32nucleog431kb swd pins as im testing an external stlink. I want to use the CN2 pins(picture) but there is no pinout on the datasheet and online. Thank you

Resolved! STLINK-V3SET: Question About Adapter Board to Program via SWD

Hello,I apologize if this is an obvious question, but I do not want this part to be wrong and would prefer some confirmation.I am preparing a custom board and would like to program it in an identical manner to the evaluation/nucleo boards. To try and...

Resolved! Problem with 3.3V external power delivery to my board

Hi,Any program on my stm32f439zi board does not start when I supply the voltage from the external power supply at 3.3V, unless I connect the programmator via USB cable to the computer as well. When I disconnect the USB cable the program continues its...

Resolved! ST-LINK/V2 CASE ??

Hi, This is Soyoung.ST-LINK/V2 - Can you confirm this activation product??The case was white, but it is yellowish as shown in the picture.Please let me know if the case changed.I wait for your reply.Thank you.

Resolved! STM32L476 OPAMP CMRR Measurement methods

Currently doing academic research.There are few descriptions in the specification, how to measure CMRR?

Resolved! Tricky GPIO Input bug in Nucleo STM32F4 bare metal project

Hi,   I at a high level I have designed a program to toggle the user LED on PA5 if a gpio input sees a high signal (shorter than 150ms) on PA0.   The program works well most of the time except in some instances when it will miss an input pulse entire...