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Forum Posts

Need to use JTAG pin PA15 as Ext Interrupt in STM32F429

Posted on August 14, 2015 at 11:17Hello,Kindly guide me to resolve this.I have a board having STM32F429 on it. while adding new requirements in the board, a situation has arised such that i am left with no option other than to use port pin PA15 for ...

jagdish2 by Associate II
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ST32F4: DRAM throughput

Posted on August 14, 2015 at 01:31Hi allI use the STM32429I-EVAL1 board and I did some memory performance measurements (no DMA). The results were a bit strange, as writing to memory is about 50% faster than reading:@180MHz             write mbs/read...

Generating single pulse on GPIO pin

Posted on July 12, 2012 at 11:25I want to generate single pulse with given length on GPIO pin on STM32F4 Discovery kit. I wanted to use timer in OnePulse mode. So I was planning to use TIM4 and TIM12, becouse I need 6 independent pins for pulses. Bu...

honza by Associate II
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Srf02 on STM32F4-Discovery per I2C and show on Computer

Posted on August 13, 2015 at 15:46Guten Tag,ich habe nur einen SRF02, der ich mit einem STM32F4-discovery verbinden m�chte.Wie kann ich die gemessene entfernung auf Computer bekommen?K�nnen Sie mir vielleicht hefen bei einem programm code f�r CoIDE?...

wilsan01 by Associate
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USART on STM32F4 discovey Board

Posted on August 11, 2015 at 12:30Hi all...,,I have an stm32f429zi based discovery board with me and newly woking on ST series. Actually I want to run USART/UART on my board to enable serial communication with other devices..but I am facing a troubl...

maharaj by Associate II
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  • 2 replies
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What is the minimum power CAN bus solution?

Posted on August 03, 2015 at 19:31We could use a 100 device CAN bus, but we have limited power for the system. Total power would be about 2-3 watts. How low power is possible. Total length of the bus is about 15m. Other requirements for the processo...

LMI2 by Lead
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  • 6 replies
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Create a fault on purpose

Posted on August 01, 2015 at 01:01I would like to test all my hard fault and friends (MemManage, BusFault, UsageFault, etc) fault handlers.  Essentially, I'd like to log their occurence to an I2C EEPROM.  I have all the HardFault handling working (a...

STM34f429i Discovery i2s/i2c question

Posted on August 13, 2015 at 08:52Hello everyone.I am building a simple car audio/video player, and the 429i with the LCD built into it seems perfect. I want to use a different DAC, specifically Ti's PCM5122, so that I can use higher grade amps, amo...