STM32 MCUs Products

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DFU faild to upgrade

Posted on October 14, 2011 at 04:53Hi all: The device is connected to PC via USB. The software I use is DFUse demonstration V2.2, I can use the software to turn the device into DFU mode, and make it exit the mode too. But after load DFU file and cli...

STM32F103 and TIM3 and DMA - how to?

Posted on October 13, 2011 at 13:58Hello all, I have linebuffer[256] and want to quickly send it to GPIOB15-8. In TIM2_IRQ, I enable DMA and TIM3 is used for DMA requests. I am trying following configuration:   RCC->APB1ENR = RCC_APB1ENR_TIM2EN | RC...

vaclav23 by Associate II
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Is there a unique ID available to read from each MCU?

Posted on October 07, 2011 at 11:21Hello, I'd like to know if there is a unique ID available on each STM32F10x, that can be read from ROM, and that can not be changed by the user. I would like to realise a copy-protection function with that ID. if...

I want my TIM4 interrupt, interrupt TIM6 ISR- how ?

Posted on May 31, 2011 at 21:38I want my TIM4 interrupt, interrupt TIM6 ISR ? with this configuration I cannot ---------------------------------------------------------------------   /* Enable the TIM4 gloabal Interrupt */   NVIC_PriorityGroupConfi...

Is there a V22 Soft Modem Implementation For STM32?

Posted on October 13, 2011 at 02:10Hi All, I am looking to use a soft modem implementation on my products to save some cost. Does anyone know of a soft modem implementation in C that I could port, or one that is set up for the STM32 already? Regards...

Paul UHS by Associate II
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ID for the part

Posted on October 11, 2011 at 20:08I am new here, Just want to find out what is this part and data sheet by looking on the part. The marking on the part 1st line 324, 2nd line logo ''ST'' e4 NOOE740. Which is a 8-pins DIP. Anyone have idea what is t...

'Internal Command Error' after MSI range 0

Posted on October 11, 2011 at 09:54I was using uV4.21 with STM32L-Discovery. I changed the MSI speed to range 0 (around 65.536 kHz), debugged and ran the program. The program ran slowly, as expected. Then I coded to change the MSI speed to another r...