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SPI buffer TXDR was written as 0x00 .

I'm developing SPI driver for Nucleo-H753ZI so Nucleo-H753ZI will be SPI master. It'll be connected to DAC which is slave. As of now I'm using STM32HAL drivers to configure Nucleo-H753ZI as a Master. After configuration I've tried to transmit buffer ...

Problem with writing the DBANK option byte on STM32G474RE

Hello,I'm using the NUCLEO-G474RE development board and trying to set the DBANK option byte. I can do that using STM32CubeProgrammer without any issues, and everything works as it should.But when I try to do that in the firmware using the HAL functi...

DGrgic by Associate II
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Hello and thanks in advance for any helping , I start learning recently and my first Blinking codes not working , i guess forget any point , please kindly check codes and pictures and recommend me. I add more pic in reply. please check all.

stm32cubeidei set as attached files, save and it generate codes by itself, then add codes for blinking and then building , finally debugging ...no blinking at all ...

CG3 by Associate III
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Resolved! STM32U5 SYSCFG is RAZ/WI with TrustZone disabled

While attempting to enable the divide by zero floating point interrupt, I ran into an issue with the U5:All SYSCFG registers are RAZ/WI even though TZEN is 0 and system is in privileged mode Initially, a call was made to LL_SYSCFG_EnableIT_FPU_DZC to...

adiroot by Associate II
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Data forwarding between SPI1 and SPI2

Hi, device: STM32G031F6 What efficient way could forward RX data of SPI2 to TX of SPI2, and RX of SPI1 to TX of SPI2?And also, this device itself has a fixed buffer to send over SPI2 TX to another master device. I think this will require some kind of...

STM32H743ZIT6 cannot remove readout protection (level 1)

Hello,We activated Readout Protection (level1) on MCU, and cannot revert it.When trying to revert it, it gives "Could not set Option bytes! Please reset the target and retry."error message on ST Link Utility v4.6.0.0.We tried to search the net simila...

CAdat.1 by Associate II
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