STM32 MCUs Products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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i can't get work accelerometer

Posted on March 17, 2017 at 10:14Lis2dh connect with stm32l151 on i2c bus.function initial i2c:I2C_DeInit( I2C1 ); RCC_APB1PeriphClockCmd( RCC_APB1Periph_I2C1, ENABLE ); RCC_AHBPeriphClockCmd( RCC_AHBPeriph_GPIOB, ENABLE ); GPIO_PinAFConfig( GPIOB...

ST-Link VCP on Nucleo-144 STM32F767ZI Configuration

Posted on September 21, 2017 at 16:34I am trying to use STM32CubeMX V4.22.1 with the F7 package V1.8.0 to configure USART3 which connects to the ST-Link VCP. Here are my issues:1. Does the ST-Link processor autobaud to detect the USART3 configured s...

MDS by Associate III
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What is the difference between UART?

Posted on September 21, 2017 at 16:09Dear all ST,Now I'm trying to implement UART but I can't get receive all data at the time. this case need delay() to get all data..So I've another difference way used in the same project, then it's works.BTW, I c...

Resolved! FLASH_ReadOutProtection decreases speed of execuation

Posted on September 21, 2017 at 07:15Hi,In my project I use CMSIS Ethernet library and use USART as communication channel to talk with other boards. All function work perfectly but after adding FLASH_ReadOutProtection to protect my micro-processor i...

parisa by Senior
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STM32F030 - HAL ADC DMA - reading values problem

Posted on September 21, 2017 at 13:06Hi, I have a strange problem with ADC values reading. My MCU and ADC is configured like below:My main.c is like below:// Union with data from ADCunion {    uint16_t ADCtable[9];    struct    {       uint16_t sens...

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I2C stuck sending address

Posted on September 20, 2017 at 11:18Hello,I'm having trouble using I2C (Fast Mode, Master Mode) on a STM32F411RE (Nucleo-F411RE).My code gets stuck after sending the I2C Address here:while (!(I2C1->SR1 & I2C_SR1_ADDR));On the bus I get short pulses...

FMC LTDC SDRAM Burst access

Posted on September 21, 2017 at 11:46Hi guys,i have a custom board on which both, LTDC and FMC conneted SDRAM, is used.If I enable the burst access to the SDRAM the board crashes after a while. Assuming the accesses between SDRAM and LTDC are not ha...