STM32 MCUs Products

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STMF103R8T6 SPI2 slave receive

Posted on October 13, 2011 at 17:15Hello,We are trying to send a 44 byte report over SPI from one STM32F103 to another board.  Our master sends this data out every 5ms, and our slave receives data based on an interrupt. We are experiencing an issue ...

youssef by Associate II
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STM32F10xxx Flash over writing/programming

Posted on October 12, 2011 at 10:48Hi, I need to reset individual bits in already written word/byte in the on-chip flash (from 0x0800 0000). The problem is that according to Programming manual PM0075 (STM32F10xxx Flash memory microcontrollers) : Fla...

vv by Associate
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FSMC and NOR memory configuration

Posted on October 14, 2011 at 13:08Dear all, I''m facing some problems with FSMC configuration. I've STM32F103ZE connected with M29W640GT NOR async non multiplexed flash external memory. I've already read AN2784 and studied STM32F10xxx firmware lib...

samuele by Associate
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Backup register not working on STM32F105RC

Posted on September 30, 2011 at 08:33I am using STM32F105RC microcontroller on a custom designed board, the microcontroller runs at 72MHz, no crystal (& its decoupling caps) is connected for RTC, CR2032 3V battery is connected to Vbat directly (no o...

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 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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