STM32 MCUs Products

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Resolved! STM32H503 External Interrupt HAL Library Doesn't work

Dear All,Recently I am learning STM32H503CBU6, but I find the external interrupt doesn't work with HAL library. I want to get reference from official example code, I only find external interrupt example code with LL library in official SDK. I think S...

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Gerald_W by Associate III
  • 625 Views
  • 3 replies
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Invalid initializer error

Hi, it's my first post here. Im learning to use UART and I'm getting a "invalid initializer" error while debugging this code. Can someone please explain why?

Resolved! SPI + DMA Chip Select Data Synchronization?

Hi everyone,I am currently working with an STM32G071. It receives data over the SPI in slave mode. The data is packet based, each currently has 4 bytes, but that will differ in the future. A single chip select sequence may contain multiple packets, b...

Fabian21 by Associate III
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  • 7 replies
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Resolved! STM32G0B1CET can't connect under SWD

Hi,I have built a handful  of STM32 designs before and never had a chip fail to connect. I can't seem to get any connection in Cube Programmer at all:VDD,VREF+,VBAT is at 3.3V, VSS is connected to ground.NRST is high at bootI can see current drop fro...

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Uart data register flush out

Hi,I am currently using f446 nucleo board with  some over uart interface.I am able to send the desired frames over Uart to sensor and sensor is properly responding by sending positive acknowledgement to each uart sent frames.And this verified in logi...

Resolved! STM32F4 stdPeriph Question

im looking through the STM324x9I_EVAL files and in the stm324x9i_eval.h there is a MACRO "WAKEUP_BUTTON_EXTI_PORT_SOURCE"  thats defined as EXTI_PortSourceGPIOA. im wondering where is this defined i cant seem to find the anywhere