STM32 MCUs Boards and hardware tools

Ask questions and find answers on STM32 hardware set-ups, including schematic-related challenges, debugging probes, power configurations, and more.

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Different clock timing with ST-LINK debugger in ST Eclipse between first execution after load code and after reset

I wrote my program and I try to debug it. In first execution I had a specific timing but if I stop code, I reset it from Debug tag all timing are double fast... so any comunication became impossible.If i didn't use debugger without ST LINK connected ...

NVERZ by Associate II
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Firmware behaves differently after programming with RESET from the ST-Link, and with RESET from the board push button.

Summary of the problem:Basically, the firmware seems to "skip" some lines of code when I run directly after programming, while if I perform a hard reset through the board button I get the firmware behaving as expected.My setup:My test board is the ST...

GBron.1 by Associate
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STM32F103RDT6 VDDA PIN

Hi,In the STM32F103RDT6 , The datsheet showing VDDA pin needs 10nf AND 1Uf. But in AN2586 reference document, it shows 100nf and 1Uf. which one is correct?Warm regards,Monisha OM

0690X00000BwCEZQA3.png 0690X00000BwCEtQAN.png
Mom.1 by Associate II
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I tried to setup the stm32cubeIde debug as option without connecting hardware but it shows , error initializing ST-Link device , reason: ST-link dll error, please help me solving this ?

I am using Stm32 f446re nucleo-64 with stm32cubeide but haven't connected the board yet, to solve the above problem I tried installing St-link stsw-link007 and St-link stsw-link009 the st-link/v2 driver but even that didn't help . please suggest a pr...

RSham.1 by Associate II
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