STM32 MCUs Products

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SystemCoreClock config FAILS on STM32F411RE Custom PCB

Posted on July 01, 2017 at 06:27Hello All,I designed a custom PCB that was supposed to run an STM32F411RET6 off an external 8Mhz cystal oscillator.This is the first custom PCB I have done for an STM32 chip, so I am never quite sure when I am having ...

STM32F7 USART DMA FIFO example?

Posted on June 20, 2017 at 15:29Hello all,Does anyone has a USART Rx working with DMA + FIFO in circular mode?#dma #stm32f7 #fifo #circular-mode

Are STM32 Boards suitable for Firewall ?

Posted on July 03, 2017 at 20:07Hi guys, I have https://questtel.com/unit/2ch-hdmi-qam-modulator-with-iptv-encoder/ and it has Web GUI, once I opened wan access - it got bruteforced, so I was thinking to assemble smple firewall with a list of permit...

MULTI CHANNEL AUDIO ADC TO STM32F407

Posted on April 30, 2017 at 16:23as title audio adcHello: How to connect a AK5534 4-Channel Differential 32-bit delta sigma audio ADC to a STM32f407  I2S port using DMA?  The 5534 outputs a Time Division Multiplex TDM mode where the first channel da...

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STM32F0 Cube FW Library's SPI bug

Posted on June 30, 2017 at 04:40F0 cube library's SPI API has problems.In spite of running 8 bit transmission mode, the library transmit a 16 bit data.So the misalignment check routine does not filter the unaligned address on 8 bit mode.Then, I thin...

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I2c1 problem at frequencies above 8MHZ

Posted on July 03, 2017 at 13:26Hi,I use from stm32f103c8t6.I haven't problem with i2c1 in this micro but at frequencies above 8mhz , i2c1 does not work.While the i2c2 has no problems at all system frequencies.I want use usb-cdc ,for this reason I c...

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STM32F4 STMCube Initialization Problem

Posted on July 02, 2017 at 14:24Hi. I am using Keil and STM32F4-DISCOVERY BOARD and trying to run TIMIER 2 (TIM2) in 'External Clock Source Mode 1'. I am using STM32CubeMX and I select;   1. TIM2 External Clock Source   2. TI1 Channel (with TI1FP1) ...

Input capture interrupts ignored

Posted on June 29, 2017 at 18:22I'm using stm32f767NI.I need to use a timer in input capture mode, but I would like to adapt the prescaler to the input frequency.So I set the same channel of the timer in TimeBase mode to catch overflows and in Input...