Hi, I am using stm32f042g6u6 in my design, Also i am using Keil uVision5 ide, Debugger : stlink v2 The problem is debug is not working in my circuit, controller is detected successfully, i cant figure out the reason exactly, need your inputs .

[KnarfB]

There is a Getting started with STM32F0x1/x2/x8 hardware development with ref. schematics. How does your desing look like?

hth

KnarfB

[gbm]

Also, make sure that the SW clock frequency set in Debug settings is 1..2 MHz (The default value may be too high).

[Ss.61]

like schematic everthing is same still facing same issue.

[Ss.61]

This is our second version first version is working fine ,

In new one we are facing issue.