STM32 MCUs Products

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STM32F4 FMC on non-multiplexed SRAM

Posted on June 30, 2016 at 11:55Hi,I plan to build a board with an STM32F446VE + IS66WV51216EBLLAs the STM32F446VE is a 100pin package, it does not offer non-multiplexed interface on the FMC.So I was considering using the FMC in multiplexed PSRAM mo...

Kuikui by Associate III
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Losing timer compare interrupts

Posted on July 05, 2016 at 09:02 Hi, I try to setup two compare channels on TIM5 of a STM32F446 device to generate two independent time triggers. Both triggers have a frequency of approximately 8kHz but differ by a few timer ticks. Hence ...

how to config USB EP address instm32f407???

Posted on July 04, 2016 at 05:02In STM32F103,i use USB_EPnR to config endpoint address, e.g. I can config endpoint1 with adress 0x0a,so  endpoint1 can communicate with host endpoint10。 But in STM32F407 i don‘t find where to config endpoint adress,on...

DMA starting and stoping

Posted on July 01, 2016 at 18:20Hi I use DMA for transferring data from ADC to ADCConverted[300] . I stop DMA somewhere in my program and get the position of the current transferred value by this command:  Current_Pos2= ((uint16_t)(DMA1_Channel1->CN...

STM32F303 Unique device ID - not BCD?

Posted on July 05, 2016 at 11:33Good day! I have a problem. In http://www.st.com/content/ccc/resource/technical/document/reference_manual/4a/19/6e/18/9d/92/43/32/DM00043574.pdf/files/DM00043574.pdf/jcr:content/translations/en.DM00043574.pdf said tha...

stmcufinder.com

Posted on June 27, 2016 at 17:07I stumbled upon http://stmcufinder.com today... interesting, appears to be genuinely ST-bred, but I don't remember to have seen a link to it anywhere on st.com. JW

STM32L4xx-Flash: erased flag?

Posted on July 05, 2016 at 10:41Hi everybody! I have a question regarding to the flash of STM32L4xx. If i erase one flash page of the device and in the next step read out that flash page i receive always 0xFFs. Then i wtite i. e. 0xFFFFFFFFFFFFFFFF ...

I2C slave interrupt issues

Posted on September 02, 2015 at 15:32  The original post was too long to process during our migration. Please click on the attachment to read the original post.