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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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interfacing external oscillator to STM32F407igt6

Posted on July 25, 2014 at 12:44Hi all,         I have to interface external oscillator to stm32f407igt6 which is having 16Mhz internal frequency and i need to boost it to 168Mhz frequency by connecting a 25Mhz external  oscillator so can anyone giv...

ecmanja by Associate II
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STM32F4: GPIOx_AFRL/H value vs. GPIOx_MODER AF mode

Posted on July 25, 2014 at 02:53What is the use of the GPIOx_MODER Alternate function mode?  Is it needed when an appropriate non-zero value is put into GPIOx_AFRL/H?  Is the GPIOx_MODER alternate function mode value only needed for those few altern...

picguy2 by Associate II
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Stm32f407igt6

Posted on July 22, 2014 at 12:31I have configured the clock for 168 mhz and for tim2 84 mhz , presaclar = 2 and arr = 200 it is showing 4.6 us in stm32f407vgt6...but in stm32f407igt6 it is showing 24 us .....I have checked the system_init actually i...

sanjib by Associate III
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F4 FPU interrupt vector

Posted on July 24, 2014 at 02:26STM32F4xxx Reference Manual, DM00031020 rev 6, has the �FPU� interrupt vector at position 81, address 0x00000184 (or 0x08000184 depending on how one views low ROM).  I found no documentation about what this vector is ...

picguy2 by Associate II
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Double buffer DMA

Posted on July 24, 2014 at 22:55Hi,I am trying to develop an application for STM32L series. I need to use DMA in double buffer mode. I found information in the reference manual for a double buffer circular mode which uses a single DMA buffer with ha...

s7v7n92 by Associate II
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LCD shows wrong colors

Posted on July 20, 2014 at 19:52I'm using a 7'' 800x480 LCD, + SSD1963 driver.The combination is connected to an STM32F103ZET6, via FSMC.I have modified a header file to initialize ssd1963, things seem to work as expected, texts and fonts are OK, bu...

displaying the image stream data

Posted on July 24, 2014 at 20:20HelloI must run ov7670 camera by stm32f4 discovery and send the image stream data to laptop via usb , So i need a source code or software for displaying this data .Thanks .

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