Products > Other Equipment & Products

Jabe UD-1200 vs. Jabe UD-1200 PRO vs. JBC CD-2SQE - need Firmware for UD-1200

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@JimKnopf I mentioned it's also TM32F103RE,sleep_ms(15); Change to 30 Everything Okay。

Ah,ok, so it was related, attacking a GD32 . My apologies.
Yeah GD32 load the firmware from the external flash so it takes longer to boot.
Hi Jim,

I was struckup in the below step after transferring IC (STM32F103C8) to the breakout board.

Info : STLINK V2J42S7 (API v2) VID:PID 0483:3748
Info : Target voltage: 3.213132
Error: init mode failed (unable to connect to the target)

i tried the connectios as per attahced, but still no luck.

Could you please help me on the connections


Have a look at my post;attach=1881895

In the top right corner you can see the connection to the ST-Link adapter. Be aware you have to connect the all GND pins together and also connect all Vcc pins to 3,3V as shown in my picture.
Hi Jim,

Thanks for the info, I have connected as per you suggestion (connected all GND pins together and also connected all Vcc pins to 3,3V)

howerver I am getting Timeout : No data recieved from Target.

Could you please help on this.



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