STM32 MCUs Products

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Irda standard version

Posted on September 06, 2016 at 17:39Hi everybodyI'm going to use the Irda output of STM32L151 and send som data to PC using the usb to irda adaptor in PC side. I want to know which version of the Irda standard used in STM 32 microcontroller? I  sea...

mh2 by Associate III
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stm32f373 sdadc with dma -> sporadic transfer errors

Posted on September 07, 2016 at 17:25Hi,I use the sdadc1 to measure 4 voltages in continous mode, single ended, injected, dma circular transfer to an array[4]. Apart from a huge offset error I don't know where it comes from, I see that either the SD...

jan_soe by Associate
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STM32F407 startup/boot problem

Posted on September 07, 2016 at 10:36My software project has 2 parts:- bootloader located at 0x08000000;- application located at 0x08008000.After reset bootloader is started and check CAN network - if there is activity it can reload application. Als...

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STM32F7 Ehternert port

Posted on August 31, 2016 at 16:03Hi, I have a custom board with Ethernet using the STM32F4 and the KSZ8051RNL Phy from Micrel working in RMII mode. The firmware is based on the LWIP TCP server example from the std. periphery library using a raw com...

devcal by Associate II
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  • 1 replies
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STM32F4 - Reinitializing I2C driver

Posted on September 07, 2016 at 09:41Hi, I'm trying to deinit and then init the I2C driver during runtime of the STM32F411. I2C1 generally works when initializing the drivers once, but when I deinit and then init them, I get a start-bit timeout - th...

Nucleo external 32khz clock.

Posted on September 06, 2016 at 03:15Hi Everyone.I'm having trouble starting the external 32khz RTC source as fitted to the Nucleo. Are there any issues with this clock on the Nucleo, has anyone got it to work?ThanksMartin

mbmail4 by Associate II
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SDADC problem in single-ended mode.

Posted on September 04, 2016 at 10:02Hi,I meet a problem with my project in which a STM32F373 MCU is used to collect singnal in single-ended mode.I short the pin with GND to test the board,the ADC values I get seems to fluctuate like saw-tooth.The g...

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txmsszd by Associate II
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How to handle overflows in a register like DWT_CYCCNT

Posted on September 06, 2016 at 20:40There are examples counting clock pulses with the DWT_CYCCNT, but it will overflow in time. Counting pulses is easy if there is no overflow, but with overflow I am sure there nice way of doing it. I could do some...

LMI2 by Lead
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