STM32 MCUs Products

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Forum Posts

STM32L151 I2C in low power run mode

Posted on June 21, 2017 at 10:39I'm looking to use the STM32L151 in low-power run mode with I2C. The datasheet says I2C can be used in this mode (DocID022799 pg.17) but to operate in low-power run mode, the system clock needs to be the MSI set to 13...

Sampling rate conversion with X-CUBE-AUDIO-L4

Posted on February 19, 2017 at 18:58Hi,I need to change sampling rate from 48kHz to 16kHz and came across SRC236 which is part of X-CUBE-AUDIO-L4 library. Unfortunately there is no source or download link avalible anywhere on ST website. I found onl...

kardwor1 by Associate II
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USB Vbus Sensing on genral IO with ST USB midlleware

Posted on June 20, 2017 at 13:47Hi allI'm using a STM32F405RG with CubeMx and Keil (over SWD for flash & debug)it's embedded on a 3party board that (obviously) we didn't designunfortunately they didn't put the USB - VBus sensing pin on PA9 as it sho...

o gaste by Associate III
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STM32L0x WWDG in Stop Mode -> Problem

Posted on June 21, 2017 at 08:37HelloI'm using the STM32 Window Watchdog (WWDG) to make sure my firmware behaves, as it should. My problem is, as soon as the MCU wakes up from STOP-Mode, the WWDG makes an immediate reset. As i saw in the reference m...

Resolved! STM32F3 ADC Bug in Interrupt Enable of HAL

Posted on June 20, 2017 at 00:07 I've been working on a board based on the STM32F3 with a large number of ADCs and other peripherals. I'll also be using multiple I2C and UART peripherals; the responsiveness of I2C and UART is much higher than the...

Migration from STM32F429ZI to SMT32H7 complexity?

Posted on June 16, 2017 at 02:07Hi there, Has anyone been considering migrating from the STM32F4 chip to the upcoming H7 chip, and how involved\possible that process might be? My specific chip is the STM32F4ZIT6, but I'm curious about others' experi...

JacobV by Associate II
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I2C

Posted on June 16, 2017 at 15:23HiWe have designed one system where we are using STM32F407 as the Master uC and STM32F103 as the slave(individual board)  uC. Now our system is such that there are several slave (50 slaves) connected ot the master on ...

krunal23 by Associate II
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STM32L4

Posted on June 19, 2017 at 10:31We are using the STM32L432KC and we are facing problem to start the MCU.To sum up the situation : * The MCU can't start-up after a power off.         **In order to reproduce the case you can use the nucleo L432KC -> y...

Brown out and flash read potection in F410

Posted on June 20, 2017 at 17:23BOR_LEV and RDP fields seems to be duplicate: both appears in option bytes and in FLASH_OPTCR. Are they alias to each other? If option bytes and FLASH_OPTCR differs in these fields which setting is applied?Can Option ...