STM32 MCUs Products

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stm32l152V8t6 pb4-lcdseg8

Posted on May 24, 2012 at 10:56Hi, I'm using the emdedded stm32l lcd driver on the stm32L152V8t6 (lqfp 100pin)   all segments work well,but on the pb4-lcdseg8 I see a fixed voltage level(about 2.9V) very near to the vdd voltage. the lcd glass is ok....

Best ADC conversion method and clamping?

Posted on June 14, 2012 at 03:33Hi Guys, I'm designing a 3-phase DTC induction motor control which needs the 3-phase voltages and 2 of the currents. I am using the STM32F4 Discovery board. The control will have a small sample time (5uS). The control...

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STM32F103C8 Peripheral Alternate Function

Posted on June 14, 2012 at 15:55On the STM32F103C8 chip I can use the PA9 default alternate function to use either USART1_TX or TIM1_CH2 on that pin depending upon which peripheral is enabled.If both peripherals are enabled and I am using PA9 as USA...

FSMC failure

Posted on June 13, 2012 at 09:35Hi, i am newby with arm cortex m3. I am working on STM32F101xC and i have this problem: driving a lcd with 8080 interface with FSMC i have no problem with st-link debugging and after a ''reset pin'' reset. After power...

Role of the mpu unit

Posted on June 14, 2012 at 07:10Hi there, Can someone explain what is the role of the mpu? From what i understand, it is only for OS purposes, meaning that whatever the mpu configuration is made at boot time, can be changed again by the user from a...

Slider used as 4 buttons on STM32L-Discovery

Posted on May 25, 2012 at 15:58Hi,I am new to this forum and I am programming the STM32L-Discovery using Crossworks.I am currently trying to do something which I believe should be relatively simple. e.g when I touch the 1st quarter of the slider - d...

gavin2 by Associate II
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STM32F2 APB2Periph Clock failure?

Posted on June 13, 2012 at 17:12Hello everyone, I'm working on STM32F207VE Kit . Has anyone ever set the frequency to exceed the limit for APB2 (greater than 60 Mhz).Yesterday, I had set up freqency for APB2 is 120Mhz (by my mistake). To day, the pe...

DAC and ADC issue

Posted on January 27, 2012 at 09:48Update:Ok quick update I have now edited my code to only use DMA with the ADC and software trigger (DAC_SoftwareTriggerCmd) the DAC and it works fine. Therefore it seems to be a DMA issue. The new implementation I ...

eamonn by Associate II
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Binary Image protection

Posted on June 10, 2012 at 19:07Hi there, I would like to know if there is a way to protect your binary image in a stm32f device (with mpu). With protection i mean that i would like to secure the binary image that runs on the device from been stolen...