Resolved! Substituted STM32H730VB for STM32H750VB on PCB due to chip shortage. 750 does not enter bootloader due to pin PB15. Is there a fix for it?
We were using STM32H730VB to drive a LED display in our project. Pins 51 - 64 drive the LED display, Pin 30 controls the display power, and pins 24 - 25 act as the USART. We use CubeProgrammer to download the firmware.This worked well and with no is...