STM32 MCUs Products

STM32H7 SPI IRQn never triggered

Hi,I am using SPI1 and interrupt are enabled in this functionvoid HAL_SPI_MspInit(SPI_HandleTypeDef* hspi) { ........................   /* SPI1 interrupt Init */ HAL_NVIC_SetPriority(SPI1_IRQn, 0, 0); HAL_NVIC_EnableIRQ(SPI1_IRQn); /*...

STM32F1 I2C pins stuck low

On the latest version of CubeIDE, using CubeMX and HAL libraries, I am completely unable to get any response out of the I2C hardware. With the pins directly connected to a logic analyser, they stay low when using HAL_I2C_Master_Transmit or HAL_I2C_Me...

are these STM32 ICs genuine or clone ?

Posted on June 04, 2018 at 15:17hello dear forum,I used to buy STM32 F103 mcus from my countries biggest supplierthis IC below is 5,- USD there now becouse of competition I need more cheap products and I imported this below IC for 2,35 USD from Chin...

STM32H755 Buffer to DMA to UART3 Setup, not entering interrupt maybe

I am following the tutorial for memory to peripheral (UART) from Digikey https://www.digikey.com/en/maker/projects/getting-started-with-stm32-working-with-adc-and-dma/f5009db3a3ed4370acaf545a3370c30cstarting @ 6:00 and ending @ 10:00 minutes inThe tu...

I use Timer1 Ch1 Ch2 Ch3 Ch4 in PWM mode 1, configured by Cube MX. But Ch2 and Ch3 do not work. Ch1 and Ch4 works perfect. With the same config stm32f407 works completely perfect. Does any one know something about the problem.

STM32F103ZET6-TIM1-Output AB pulse

When I use the TIM1 peripheral of the STM32F103ZET6 chip, when using the flip mode, OC1M = OC2M = 3, ARR = 300, CCR1 = 150, CCR2 = 300, but the first edge is all output high at the same time, theoretically The OC1 channel will output the high level a...

Hello, for seat reservation, I already have the board.

Purchased directly from Digikey.

TGFX, How to manage common screens for different projects?

Hi, We have two similar projects that have many files are in common. Many screens are also used in common. Currently, there have two TGFX designer projects to make GUI code for them. We need to figure out an easy way to manage these common files, dir...