STM32 MCUs Products

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Setup I2C slave to have more than two addresses

Posted on June 24, 2014 at 09:41Hi ST,I am using the STM32L151 processor on a custom made PCB. I use the I2C2 port as a slave and a GUI on my computer as master. The I2C1 port is setup as a master to control 12 slaves. The purpose is that the GUI sh...

kennethf by Associate II
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TIM3 on STM32F100RCT only CH1 giving PWM

Posted on June 24, 2014 at 23:21 Does anyone have such issue? /* TIM3 clock enable */ RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE); /* AFIO enable */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO | RCC_APB2Periph_GPIOC | RCC_APB2P...

pchala by Associate II
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STM32 F103 - TIMER CLOCK

Posted on June 24, 2014 at 13:09Hi allI am looking at programming the digital filter in the input stage of a TIM2 capture/compare channel.The filter is configured using the 'IC1F' bits in 'TIMx_CCMR1'The different bit configurations make reference t...

jamie by Associate II
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STM32f4 internal pull down, external pull up

Posted on June 25, 2014 at 11:55Hi,I'm using an STM32F4 and have configured IOs as pwm outputs with internal pull down. These pins have been connected to an input of another chip which has a 5V pull up on its inputs. After some time the processor br...

thommagn by Associate II
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STM32CubeF4 Upgrade broke my project

Posted on June 25, 2014 at 23:56Hello,I have been using version 4.2.0 without problems but I had a DMA problem which I thought that could be fixed in version 4.30I did the upgrade from Check for Updates option. No issues there.However version 4.3.0 ...

gmotta by Associate II
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USB device and CDC class

Posted on June 17, 2014 at 11:31Hi all,I'am using USB device CDC class to communicate datas with a host. But I've a strange problem. (I'am using the STM32F429i Disco platform)The STM32 code create a memory area with 00 01 02 03 04 ... datas and then...

vincent2 by Associate II
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Digital Value to DAC

Posted on June 24, 2014 at 21:06Hello,       I am using the STM32F4 discovery board. I have a project in which I have a timer which generate an interrupts @ 100Khz. In the ISR it stores a new value to a variable.        Now how can I use the DMA to ...

STM32F415 FS USB MSC Implementation

Posted on June 25, 2014 at 19:36Hello all,I am looking for some suggestions or help on locking the Flash ROM during read and writes. I am using STM32Cube with FreeRTOS and have implemented the FS OTG MSC for accessing the Flash ROM on my board (it i...

STM32CubeMX wrong pin label

Posted on June 25, 2014 at 15:47Hi,Using STM32F405RGTx, pin 64 is labelled PDR_ON while datasheet contains VDD.Which one is the correct one ?Thanks.