stm32f401ccu6 disconect while programming (NOOB HERE)

[ak1ca]

Hello guys Im new here, sorry if I posted to wrong post.

Im trying to program stm32f401ccu6 with existing .bin file. I tried via ST-LINK V2 (clone) and Im getting ''('' where serial numbers should be. When connected via USB C the board get connect to CubeProgrammer and when I start programing the .bin file It gets disconnected 

1 image connected via ST-LINKV2

2 image connected via USB C

[AScha.3]

Hi,

so your st-link is not a st-link (with STM chip ), but a GD32F103 or CK32F103 is inside. 🙂

Try old version (maybe V 2.6.0 )of stmProgrammer, thats not checking for original STM chip inside - or not.

Or better buy a new one, maybe ST-Link V3 mods (and solder wires on it), or V3 miniE .