STM32 MCUs Products

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Determining the value of VECT_TAB_OFFSET

Posted on May 15, 2012 at 02:39I recently had a problem where my SysTick_Handler wasn't firing.  The solution was to change the VECT_TAB_OFFSET from 0x00 to 0x4000.  How does one determine what his value should be?  If it can be different based on o...

mfranklin by Associate III
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Problem of 3-Wire Fan Speed Measurement & Control

Posted on May 13, 2012 at 12:58Recently I was designing a subsystem of closed loop fan control.  This diagram shows the method: using a channel of PWM to control the speed (GND method), and a channel of capture module to measure fan speed. The box o...

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Failure loading STLinkUSBDriver.dll

Posted on May 13, 2012 at 22:33did a google search none of the links worked. I installed st-link_v2_usbdriver.zip, ST-LINK_Utility_V2.2Patchv10.zip I searched my computer for STLinkUSBDriver.dll and could not find it. I was able to install the STLin...

bjfree by Associate II
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the throughput of the FSMC in STM32F4XX

Posted on May 14, 2012 at 12:55In my project we want use STM32F4xx, we wonder to know the throughput(max access speed) of the FSMC in STM32F4XX with the condition of the max working frequency(168MHz) of the CORE. #throughput-stm32f4xx-fsmc #rtfm

live1223 by Associate
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CMOS data pass to ethernet interface throguh DMA channel

Posted on March 24, 2012 at 04:32Dear All:I try to pass my CMOS data to ethernet interface through DMA. (Before transfer to ethernet interface, I will add bmp file header.)I already show the CMOS data on my LCD. But I don't have any idea how to pass...

Not responding to NRST input

Posted on May 12, 2012 at 10:18I have a curious problem.  In one of our boards with stm32, because of some reason an external watchdog triggers (we are not using internal wdog for some reasons), the watch dog outputs proper signal to STM32 NRST pin,...

bvr by Associate II
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  • 4 replies
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help me - elua on stm32DISCOVERY

Posted on May 13, 2012 at 20:19i don't know use elua on stm32discovery, someone can help me ? this is my first contact with stm32DISCOVERY thanks

juliodv by Associate II
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STM32F4DISCOVERY Cannot connect to the MCU device

Posted on May 11, 2012 at 03:50Why my board send STM32F4DISCOVERY Cannot connect to the MCU devicei've windows 7 - 64 bitsIt seems the STM32 device on my board is 'Z' type : top line : STM32F407then :      VGT6          Z              HPAFD      VG ...

juliodv by Associate II
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  • 2 replies
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The USB OTG Test results of F4 Discovery

Posted on May 13, 2012 at 15:351. I can make two VCP at USB HS port and FS port at the same time by Library v2.1.0. 2. Read/Write USB Disk is ok by STM32F4DISCOVERY firmware which is base on OTG Library v2.0.0, It can access any UDisk; 3. Read/Write...

seawwh2 by Associate II
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