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timer3 capture issue on stm32f103c8 device

Posted on June 19, 2016 at 10:08 hello all. i have a signal of 1800us period which consists of 1500us tON and 300us tOFF. this signal is provided to PB0 and PB1 which are the timer3 inputs 3&4 my timer3 clock is 72mhz , the init ...

Bogdan by • Senior
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  • 5 replies
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TIM triggered I2S DMA transfer

Posted on June 18, 2016 at 14:12 Hello. I have aSTM32F407 based board where the DAC chip communicates through I2S. I'd like to make the signal generation similar to the example project named ''DAC_SignalsGeneration'' in the Cube firmware pack...

akosodry by • Associate II
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  • 7 replies
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Is TS_CAL2 missing on STM32F070?

Posted on January 26, 2016 at 11:47Hi everyone -In the datasheet for the STM32F070, the table that lists temperature sensor calibration registers (section 3.10.1, table 3) only gives the details of TS_CAL1 (the 30deg c calibration value).  The RM ap...

FLASHER-STM32 download no longer available.

Posted on June 19, 2016 at 07:18Hi,     I can't seem to find a way to download the free STM32 Flash loader demonstrator (UM0462). There is no download button on the product page. Does anyone know where I can get a copy of it. http://www.st.com/conte...

setup for SPI on STM32Cube MX

Posted on June 16, 2016 at 18:42Hello! I don't know setup for SPI NSS software on STM32Cube mx. Anyone help me?I use stm32f4 discovery and stm32cube mx 4.15.1, SPI1 is master and SPI2 is slave... tks for help!!!

contactst by • Associate II
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  • 2 replies
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is BOOT pin needed for IAP of new firmware

Posted on June 17, 2016 at 08:04Hello,I am designing a board with a STM32F0308.STM32F0308 will be connected to a linux based SOC via UART connection. When a software update is required, I plan to send the new firmware for STM32F0308 via uart and the...

rtursen by • Associate II
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  • 2 replies
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potentiometer on the STM32F746G

Posted on June 16, 2016 at 16:45I was hoping to wire an external potentiometer to the ADC on the STM32F746G but even bypassing the input cap (C107) I still seem to get AC readings.  E.g. I bump the pot one way and I get a positive blip, I bump it th...

dennis by • Associate II
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  • 6 replies
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Too large PLLMUL (theoretical question)

Posted on June 18, 2016 at 11:41What would happen, if PLLMUL is set slightly too large? Let say, if maximum frequency of a MCU is 72 MHz, but PLLMUL is set such that the frequency would be 80 MHz?Thanks

matic by • Associate III
  • 345 Views
  • 1 replies
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ADC current issue

Posted on June 16, 2016 at 00:25Hi all,I want to measure a 18650 cell voltage with the help of internal ADC of STM32F407VG Micro controller.  But the current rating of 18650 cell is in Amperes while my controller pin current rating is in mA. So my Q...

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