STM32 MCUs Products

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STM32F4 ADCs triggerd by TIM1 possible?

Posted on March 30, 2014 at 18:34Hello, at first, I try to explain my target functinality: -TIM1 generates a 3PH Center aligned PWM - the ADCs are configured in triple mode, some channels are converted and the DMA generates an Interrupt when the Tra...

maier by Associate
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STM32F4Discovery : Using HSE clock source for RTC.

Posted on March 30, 2014 at 19:33 Dear community, Knowing that the RTC manual stated that the LSI is not suitable for the RTC, I am trying to use the HSE clock source for the RTC. I initialized the clock and RTC but the i was unable to read the time...

m_fawaz by Associate II
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STM32F427 FMC DMA vs STM32F407 FSMC DMA

Posted on March 31, 2014 at 12:49Dear All, I've recently upgraded the CPU on a product using a 407 device, to a 427 device. We are using the DMA2, in memory to memory mode, to write from external SRAM to a display controller also on the external bus...

no source available for 0x0

Posted on March 31, 2014 at 12:53hi,i use the stm32f407 with atolic TrueSyudio.on the evaluation board ( stm3240G-Eval) things were OK.when i start working on our new board, different code lines (which i dont understand the common  ) cause the debug...

worlag by Associate II
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Flash ReadWrite And Code protection

Posted on March 27, 2014 at 14:18I use eeprom emulation library on STM32f107.I don't understand relations of eeprom emulation and flash protection.If I use flash as eeprom,Is code protection failed? or something else...?Its any relation between thes...

STM32 and NAND flash ?

Posted on March 26, 2014 at 11:36Guys, Does R/B pin on Nand flash needed on the software ? I can't find R/B pin on GPIO definition, Anyone knows ? thanks #nand

NVIC interrupts on two ports with same pin number

Posted on September 19, 2013 at 17:37Hello everybody,Is it possible to link same pin number of different GPIO ports on the same EXTI line ? For example, create an interrupt on line_0 for the GPIO pin A0 and the pin B0. It seems impossible to achieve...

STM32F429 LTDC 1-bit video

Posted on March 31, 2014 at 02:51I am experimenting with the STM32F429 and wish to use the LCD-TFT controller (LTDC).I am interested in generating monochrome 640x480 VGA video and hence only need 1-bit output rather than 8-bit RGB. Does anyone know ...

Multiple GPIO Interrupts

Posted on March 31, 2014 at 02:29Hello, I am trying to activate the interrupts on PC4-7 so that a flag will appear whenever these pins are set high. I have the base structure of the code completed, however whenever I try to place a break point to se...

shrum by Associate
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STM32F4 SPI DMA Double Buffer issue

Posted on February 17, 2014 at 16:07 Hi, I'm using the F407 (Discovery) as a SPI-Slave with DMA enabled and a ''data ready'' signaling line. I'm currently trying to transfer data in dual buffer mode (the host cpu might also send configura...

lukas2 by Associate II
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