STM32 MCUs Products

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Resolved! STM32L433: can't make sense of Flash Loader Demonstrator

During development I've been using ST-LInk to program the STM32L433 which of course works perfectly. I want to release the firmware and allow users to be able to update the code over UART2. I've set BOOT0 and can see the device using the latest versi...

Resolved! Do a corralation with DSP Library

I have a 32F746GDISCOVERY and would like to test the dsp functionalities with a correlation.I have the following code:#include "arm_math.h" extern void arm_correlate_fast_q31(q31_t * pSrcA, uint32_t srcALen, q31_t * pSrcB, uint32_t srcBLen, q31_t * p...

MMett by Associate III
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  • 2 replies
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STM32F429I-DISCO - USART3 outputs only 1.6V

Hi everyone,I am trying to get USART3 running on my STM32F429I-DISCO board. USART3 is configured with the following configurations:Mode: AsynchronousHardware Flow Control: DisableBaudrate: 115200, Word Length: 8, Stop Bits: 1GPIO: PD8 = TX, PD9 = RXI...

smrtkai by Senior
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stm32f722ZE Nucleo UART sample code problem

Posted on January 10, 2018 at 21:56Hello, I've just built the UART sample code for the 722ze Nucleo board and have a problem. I have not modified the code (except for the transmitted character buffer).  The sample code shows setting up the unit for ...

Any STM32 in flip-chip packaging ?

Hi everyone, I was just wondering if there was any STM32 MCU in a flip chip packaging configuration ? I have seen some BGA packages but I came to understand that it didn't mean that the chip was flipped inside...Any info on the matter would be appre...

mCOZZ by Associate II
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  • 4 replies
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Exit from STOP mode

Hi everyone,I'm slightly confused here.I'm putting my micro into stop mode, but I can't seem to wake it up using an interrupt.Here's how I'm setting it:__HAL_RCC_GPIOA_CLK_ENABLE(); GPIO_InitTypeDef GPIO_InitStruct; GPIO_InitStruct.Pin = GPIO_PIN_4...

con3 by Senior
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  • 3 replies
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Resolved! Can't get a simple GPIO External Interrupt to fire

Hi there. I'm having a lot of trouble.I've managed to get UART (just direct calls, not interrupt based), PWM, and ADC working on a Nucleo board (namely, the STM32F070RB board). However, I'm having serious trouble getting a simple push-button to fire ...

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SWill.10 by Associate II
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  • 4 replies
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STM32 UART RS485 DE probelm

Hi, AllI am using STM32F303CB to build a modbus environment which connected to RS485 bus. (BTW, MCU as slave side)I using STM32 HAL lib to setup whole UART & RS485 setting. I suppose DE pin waveform should be matched to Slave_Tx ( X wrong)-> The DE p...

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clee.10 by Associate III
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  • 3 replies
  • 1 kudos