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GPIO toggle, uneven high and low.

Posted on December 09, 2011 at 14:39Hi,  I want to measure the clock of my stm32f225rg chip. I am doing it by toggling the bit of gpio port B and checking using scope.  Rather than using the routines in the standard peripheral library, I am programm...

Possible to avoid FLASH_Erase() stall on stm32f103?

Posted on December 08, 2011 at 20:04Hi, I'm using ADC with DMA and periodically erasing the flash pages. But the dma interrupt is not fired while i'm erasing the flash pages. I'm also using a lot of flash constants in my code. Is it possible to avo...

tedmosby by • Associate
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Listening SPI communication between two ICs

Posted on December 08, 2011 at 22:01hi everyone,Two boards communicate via SPI, I try to read what master sends to slave and what slave responds with my STM32 eval board.I simply connected 3 wires to CLK, CS and MOSI lines of master IC to three GPIO...

STM32F1/F4 incompatible I/O

Posted on December 08, 2011 at 19:32From their respective RMs: STM32F1... 0x4002 2000 - 0x4002 23FF Flash memory interface STM32F4... 0x4002 2000 - 0x4002 23FF GPIOI Thus a project predicated on STM32x compatibility must have at least different I/O ...

picguy2 by • Associate II
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STM32f4 discovery timing problem

Posted on December 06, 2011 at 10:43I tried to build examples from stm32f4discovery_fw package for stm32f4-dicovery board. And I have a incorrect CPU timing settings. Some examples. I tried to make TIM_PWM_Output example with 2.5kHz PWM.   /* Comput...

3.5'' & 4.3'' TFT LCD with Touch & MCU Interface!

Posted on December 06, 2011 at 15:283.5'', 4.3'' and 7'' TFT LCD modules with Touch Panel & LCD Controller (such as K350QVG-V1-F / K350QVG-V2-F) are provided. They have true TFT LCD colors and 8-bit/16-bit 8080 system or 3-wire/4-wire SPI interface ...

sales23 by • Associate II
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Looking for CAD Symbols

Posted on December 07, 2011 at 19:58I'm trying to locate CAD Symbols for the SMT32 family. I'm currently using Eagle/Cadsoft, with Microchip I download a file then use Ultra Librarian to convert to Eagle.   #cad-symbols-pad-layout

KevinA by • Senior
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