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Resolved! STM32F103 and PWM (12bits)

Dear everyone,I'm trying to manage a DC motor with IC controller in PWM.My frequency have been calculated for have 12bits resolutions (Fclk :72Mhz > Fpwm17.5Khz). TIM2->CCR1 = 30; HAL_TIM_PWM_Start(&htim2, TIM_CHANNEL_1); HAL_GPIO_WritePin(GPIOB, MA_...

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jlecl.1 by Associate III
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Resolved! I2C slave transmit IT first byte FF

Hi all,I am using a Nucleo  F334R8 STM32Cube FW_F3  V1.11.4I am trying to configure it as a slave device using interrupts , I am using HAL_I2C_AddrCallback()then it checks if dirrection == I2C_DIRECTION_TRANSMIT and HAL_I2C_Slave_Seq_Receive_IT() wor...

edgar3 by Associate
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STM32L4R in WLCSP package

STM32L4R5/7/9 data sheet has WLCSP144 package as an option, but this option is not available on Product Selector page. WLCSP part can't be found on any distributor site either. Does anybody know, if this MCU-package combination exists?

Zaro by Associate
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STM32U585 - SDIO emmc

Hello,While using HAL_MMC_WriteBlocks API getting TXUNDERR error, please suggest to resolve this issue. Below is the code for reference.Mode: 8bitClock configuration :  void Write_SDMMC1(void) {uint8_t sample_buffer[512] = { 11, 1, 2, 3, 4, 5, 6, 7, ...

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Surya S by Associate II
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getting abnormal waveform MPN :STM32F765VGT6

Hi expert,  The MCU is given abnormal waveform when stepper motor is run. Found abnormal output waveform of the output signal of board. What will be the possible root cause for this particular failure?attached Image for your reference and pls support...

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RTC not runnning on G0 Platforms

Hi, I've tried to test the RTC Peripheral on Nucleo-G071 and on Nucleo-G031 boards.RTC seems to be stopped.Can anyone please help in finding the bug? (I've Attached the 2 MX Projects and 2 Main.c)Thanks,Alfonso

ADesi.3 by Associate II
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Two UART interfaces via DMA fail in DEBUG mode

HiI have a custom board with STM32U575. It has two UART interfaces:- UART1: Terminal interface (routed to the ST-Link header)- UART3: Communication with additional MCU on the boardAs the system is very busy, I implemented both UART to receive their d...