STM32 MCUs Products

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Resolved! STM32F7: why some specific GPIO pins don't work?

Hello everyone,I'm using USART3 on F746, but only RX/TX pins which are mapped to pins PD8/PD9.Besides that, I want to configure general output to pins PD10/PD11 (to control LEDs), but they don't work when I try to control them. I looked up the AF map...

Wowa by Associate III
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  • 9 replies
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I2C Timeout Problem

Hi!I'm using mpu6050 and Nucleo-f103RB without MXCUBEi got problem with I2C communication.LED is blink in infinity../* Wait until SB flag is set */   if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_SB, RESET, Timeout, tickstart) != HAL_OK)   {    return...

PGYUY.1 by Associate
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  • 1 replies
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Problem with a timer counter.

I set a timer to count 500us ticksTIM_InitStruct.Prescaler = (uint16_t)40000-1; //SYSCLK = 80Mhz – 80Mhz/40000 = 500us TIM_InitStruct.CounterMode = LL_TIM_COUNTERMODE_UP; TIM_InitStruct.Autoreload = 0xFFFFFFFF; //TIM2 – 32-bit c...

stm32 with 8 uarts and a small footprint

I'm searching for a stm32 with 8 uarts for io-link. But there is no way I can search for peripherals. So any suggestions, preferably in LQFP-48 or something similar small.Thanks.

Evan .1 by Associate II
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  • 7 replies
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I may have encountered a bug in SDMMC_GetCmdResp1 function.

Hello!I have a trouble with Timout delay in SDMMC_GetCmdResp1. I invoke HAL_SD_Init from freertos task. Now SD card isn't connected to board. Timout deleay take approximately 30 seconds, but Timout is 5000 ms.static uint32_t SDMMC_GetCmdResp1(SDMMC_T...

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OPoch by Associate
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Simultaneous I2C DMA transfer

I need to control 16 RGB addressable LEDs (48 channels). The only drivers which fit my needs are 24 channel I2C drivers (unfortunately, I couldn't find any suiting SPI drivers ), so I need to use two of them. Since both LED banks will create a common...