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STM32F051R8 (64-pin on MB1034B) and RM0091 - can't find alternate function (AF) specifications for PF6/PF7 to enable I2C2.

I'm setting out to configure I2C2 on STM32F051R8. RM0091 (dm00031936) table 13 (pin definitions) has two rows describing pin 47/48 (LQFP64 package) PF6 and PF7 as being configurable for I2C2_SCL and I2C2_SDA.I'm now looking for alternate function (AF...

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wb0gaz by Senior
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  • 5 replies
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Resolved! STM32L476RG VREF 2.5V to AD?

VREFBUF_TypeDef adRef; adRef.CSR |= VREFBUF_CSR_ENVR | VREFBUF_CSR_VRS; adRef.CSR &= ~VREFBUF_CSR_HIZ;Can someone tell me why I cannot set the AD VREF+ to 2.5V?

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SWenn.1 by Senior III
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  • 2 replies
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Resolved! Trigger ADC1 conversion using TIM3 using registers

Hello,I am trying to have analog voltage converted every 2 seconds using the TRGO signal from TIM3. Without much success. For now, I managed to generate interrupt of TIM3 and in TIM3 Handler to use software trigger for ADC. Here is the code:TIM3:void...

UMilo.1 by Associate III
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  • 9 replies
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[SOLVED] Issue with custom External Loader for IS25LP256D on STM32F746 - update to V2.5.0 & deinit qspi in Init()

I've made a custom external loader for IS25LP256D on STM32F746. It works well in general except for one problem. Verify doesn't stop when "Verify Programming" is checked. Memory-mapped mode works well, which means reading is good. Erase() and Write()...

External loader for external SDRAM

HelloI want to download my code in the external SDRAM connected to a STM32H743 for debugging purpose. I use the STM32CubeIDE, I wrote an external loader .stldr to configure the FMC.In the debugger tab, I selected the external Loader but it fails to l...

GLeco.1 by Associate
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  • 1 replies
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STM32G option bytes modification fails in DFU mode

I'm working with a host PC running a C++ Visual Studio project which is running some API calls to implement the DFU protocol. Those API are exposed by some DLL and LIB file available with STM32CubeProgrammer. The host PC is connected via a USB cable...

FValm.1 by Associate III
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  • 1 replies
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