STM32 MCUs Products

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STM32F103 Input PWM TIM3_CH3/TIM3_CH4

Posted on March 27, 2014 at 10:12 Hello, I want to capture PWM input with TIM_CH3/TIM3_CH4 is that possible? Because I tried my code, and it cannot be shown when I observed the register either CCR1 for duty cycle or CCR2 for frequency. Th...

liviana by Associate II
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Generating Beep sound using PWM

Posted on November 02, 2012 at 07:01Hi all I am using stm32f2XX. I want to write a source code to generate beep sound by providing PWM input . Could anyone pls suggest me in how to proceed with this. Thanks #think! #beep #about-pwm-input

SIM900 stm32 interfacing problem.

Posted on March 27, 2014 at 23:29I am working on SIM900 stm32 interfacing.Firstly, I communicated SIM900 with computer, using hyperterminal. It is succesfull, so GSM module is OK.  I removed echo messages permamently, and setted baudrate to 9600, It...

STM32F407: USART Baudrate wrong by factor 3

Posted on August 08, 2012 at 20:31Hello,I'm in the process of evaluation the STM32F407 for a larger project we are currently working on.For my evaluations I'm using an Olimex P407 board (link see below). So far I manged to flash the board (using the...

Strange SPI problem

Posted on March 24, 2014 at 11:47Hello everybody,I am trying to interface two STM32F3 boards with SPI port in full duplex with interruption. One board acts as Master and the other one as a Slave. The Master sends a command,  then the 4 Byte from Tx...

STM32F42xx errata - FMC Corruption ... really?

Posted on March 27, 2014 at 11:19The STM32F42xx and STM32F43xx Errata DocID023833 Rev 6 Para 2.8.4 says, there may be Corruption of data read from the FMC under some circumstances. ''When the FMC is used as stack, heap or variable data, an interrupt...

John F. by Senior
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USB HID or CDC

Posted on March 12, 2014 at 11:01Hi, I have implemented the CDC(VCP) class on my F3 discovery and it work very well. Now, i want to send a integer data each 25µs. So i have to set up my rate speed of my board to 1600Kbps.On the PC side, the speed ra...

hilwan by Associate II
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stm32x405, can't program through stlink v2

Posted on March 16, 2014 at 22:54Dear all, after some issues using a programmer as parport interface, i am trying to program stm32f405 with a cheap stlink-V2, but still without success. I attach the openocd log, maybe someone can help me. Open O...

Angelo1 by Associate II
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