STM32 MCUs Products

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Has a problem when using STM32F405 spi + dma as a slave

Use STM32F405's SPI + DMA as a slave, circular mode, DMA 16bytes interrupt, but every time send 16bytes to master, the first byte is always the byte that last frame's last byte , it looks like spi tx register is not clear, always contain the last by...

CJi by Associate II
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STM32F7 Timer Event Generation Register Wrong address?

Hello I'm using a STM32F769 discovery board. I was trying to use timer2channel2 to trigger the ADC conversion. I am setting registers manually and wanted to turn on event generation on channel 2 match. TIM2->EGR |= TIM_EGR_CC2G_Msk;However when I ran...

Resolved! I'm trying to blink one led but two led blinks

Hi,i'm trying to blink only one led. I have a problem with one of four leds. Because as you in my code, i'm trying to blink only 'green led'. But 'blue led' blinks also. #include "stm32f4xx.h" // Device header #include "stm32f4xx_hal...

STM32 trying to get uasart to transmit

Hello, I wanted to upgrade my simple blinky program with the usart 2, so that it sends a simple 'B' over the serial port to my PC. I am using a Nucleo-F334R8. In the datasheet it says usart2 is connected with the USB port.Here is my code, that is not...

Facing issue while flashing code in STM32H745 Disco board?

Hi , I am trying to flash my code of GPIO toggle into the STM32H745 Disco board,but it is giving the error .While building the project I have seen an error "GPIO_CM4\GPIO_CM4.sct(7): error: L6235E: More than one section matches selector - cannot all...

psiva.13 by Associate II
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The question pertains to maximum rise time specification for STM32L151CC OSC32_IN when Low-speed external user clock is generated from an external source.

The question pertains to maximum rise time specification for STM32L151CC OSC32_IN when Low-speed external user clock is generated from an external source. This specification, according to the datasheet, is 10 nano seconds. This seems unreasonably fas...

faizal by Associate
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