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id is not recognized , stm32f103c8

securliftlab
Associate

‎2024-09-10 12:41 AM

i have this problem 

https://community.st.com/t5/stm32-mcus-boards-and-hardware/error-in-initializing-st-link-device-reason-18-could-not-verify/td-p/314096

 

that stm32f103c8_no_id.jpeg ,  attach chip  photo  

it doesn't look like a counterfeit chip

 

 

 

Open On-Chip Debugger 0.11.0+dev-00443-gcf12591 (2022-02-09-13:33) [ST Internal]
Licensed under GNU GPL v2
For bug reports, read
Info : Listening on port 6666 for tcl connections
Info : Listening on port 4444 for telnet connections
Info : STLINK V2J39S7 (API v2) VID:PID 0483:3748
Info : Target voltage: 3.201051
Info : Unable to match requested speed 8000 kHz, using 4000 kHz
Info : Unable to match requested speed 8000 kHz, using 4000 kHz
Info : clock speed 4000 kHz
Info : stlink_dap_op_connect(connect)
Info : SWD DPIDR 0x2ba01477
Info : STM32F103C8Tx.cpu: Cortex-M3 r2p1 processor detected
Info : STM32F103C8Tx.cpu: target has 6 breakpoints, 4 watchpoints
Info : starting gdb server for STM32F103C8Tx.cpu on 3333
Info : Listening on port 3333 for gdb connections
Info : accepting 'gdb' connection on tcp/3333
target halted due to debug-request, current mode: Thread 
xPSR: 0x01000000 pc: 0x0800054c msp: 0x20005000
Info : Unable to match requested speed 8000 kHz, using 4000 kHz
Info : Unable to match requested speed 8000 kHz, using 4000 kHz
Info : device id = 0x20036410
Info : flash size = 128kbytes
O.K.
 
O.K.:0xE00FFFD0
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Peter BENSCH
ST Employee

‎2024-09-10 03:23 AM - edited ‎2024-09-10 03:26 AM

Welcome @securliftlab, to the community!

Unfortunately, you are not the first person to stumble across this problem. You are using one of the so-called Blue Pill boards that can be bought cheaply from Asian sellers. Unfortunately, the labelling on the microcontroller is fake, as is the entire device, in order to deceive gullible buyers into thinking it is an original product. So it cannot work reliably.

If you obtain a proven original STM32F103C8T6 from a real distributor and replace the fake with it, your Blue Pill should also work.

However, I suspect a second problem with your ST-LINK/V2, which has a very old firmware revision V2J39S7, as is often the case with the ST-LINK/V2 in tin cans or counterfeit versions (usually labelled Made in China). Why don't you upload a photo of the ST-LINK/V2, preferably with the back if it has a plastic housing?

Regards
/Peter

 

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