STM32 MCUs Products

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Resolved! Same Memory base address In DMA

Posted on August 09, 2017 at 14:01Hello Can i use same memory base address in two dma (dma1 ,dma 2) for transfer date to Peripheral?DMA_DeInit(DMA1_Channel7); DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t) & GPIOA->ODR; DMA_InitStructure.DMA_...

STM32L471 is not programmable after it put into Standby mode

Posted on August 10, 2017 at 11:12Hi Everyone,I put my MCU into standby mode and now I cannot program/erase it using Segger J-flash.I'm not sure its releated to the standby mode but it's the 3rd board it happens on.Erasing option bytes wasn't succes...

123456 by Associate II
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ADC resolution 12 vs 16 vs 24 bit

Posted on August 09, 2017 at 02:36Regarding ADC resolution, 12 vs 16 vs 24 bit, is this software or hardware dependable? Looking at STM32F37x family, seems like they have an 'effective number of bits/ENOB' of 14 bits, using sigma delta ADC they adve...

Kevin A by Associate
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STM32F429 pwm

Posted on August 09, 2017 at 20:05I am using stm32f429 discovery board. When I use pwm on any timer, I am not getting correct outputs, that is my duty cycle is not matching the values in the ccr and arr registers.void enable_gpio1(){ RCC ->AHB1ENR |...

stm32f4 USB HID not detected by pc

Posted on August 07, 2017 at 20:59I am testing out the USB HID (otg fs) feature of my board with stm32f407vet6 mcu. I used stm32cubemx to configure it and i didn't add anything to the while loop in main c, just seeing if the device can be detected o...

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Resolved! STM32F29 PWM with Timer 2

Posted on August 08, 2017 at 19:47In my code for pwm on timer 2 in stm32F429, I have to use multiple channels (2 at a time). However only my channel 1 pin is giving pwm output. Please advise me what to dovoid enable_gpio1()//setting pin 5 of port a ...

STM32F0 rtc alarm 1 day

Posted on October 19, 2012 at 10:39Hi, How can I setting rtc to put alarm every 1 day , for all day? Is possible (I need to wake up stm32f0 every 16:00 pm all day , execute routine and do sleep and wait the next day)

STM32F407 ADC with internale reference

Posted on August 09, 2017 at 09:34Hello All ; I use STM32f407 ; I connect Vref to VDDA to VDD ; but VDD is connected to super cap that can be change from 2,9V to 3,5 volt ; so my ADC reading would be change ; Does STM32F407 has internal Refence ? I ...