STM32 MCUs Products

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Fast gpio read with sync

Posted on February 05, 2013 at 09:46Hello, I have 16b parallel bus, 8MHz adc, and I need to read as fast as I can data to memory array which is 128 point long. So far I overclocked stm32f4 to 250MHz so I could do it faster. Original code is :while(i...

linas2 by Associate II
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6 CH PWM on TIM1 (What is Wrong with my Code)

Posted on February 06, 2013 at 11:09 Hello, I am currently migrating from Microchip MIP to ST ARM Cortex M3 so I am new to Cortex M3.I have been trying for days to configure Advance TIM1 in STM32F103RB to output 6 Channel PWM but it has prove to be ...

STM32L Stop Mode

Posted on February 05, 2013 at 20:46I cannot get stop mode current below 1.1 mA in the IAR STM32L152VB eval board. This is the code to prep and then go to stop mode:lowPowerConfigGPIO();  (this configures all GPIO pins as ADC inputs)PWR_FastWakeUpCm...

Understanding RCC register

Posted on February 05, 2013 at 15:05I'm trying to understand how below function call  from usb_bsp.c source file works:RCC_APB1PeriphResetCmd( RCC_APB1Periph_PWR, ENABLE );This is from Reference Manual:5.3.8 RCC APB1 peripheral reset register (RCC_A...

dimax by Senior
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STM32F4 USART COMMUNICATION

Posted on February 06, 2013 at 10:06 Hi Guyz, it doesnot want to output, I have checked RCC and all initialization.. what am I still Missing? /** *****************************************************************************...

xtian by Associate II
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STM32F3 Opamp needed guidance

Posted on January 30, 2013 at 11:16In an application using the STM32F3xx, I am using the OPAMP in PGA mode to amplify an external 1 kHz signal to the ADC converter. The signal is provided AC coupled to the OPAMP non-inverting input. If I program the...

melchor by Associate II
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HIGH SPEED GPIO PROBLEM

Posted on February 01, 2013 at 16:04 Hi Guys, I have a question, I have this code and the TTL logic interface that I am reading has a speed of about 1Us The problem is.. I am not able to read all of the 1Us Data.. do you have suggestions...

xtian by Associate II
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Sending SMS

Posted on February 05, 2013 at 16:47I'm use stm32f103ret6 . I want send sms code by gsm module sim900and DMA_Usart Necessary ? Thank You.

I2c on STM32f0Discovery

Posted on February 04, 2013 at 11:18Good morning, i need to develop an application that read and write informations (like a mac address)between an stm32f0discovery board and a 24c02 EEprom, i need to use the PB8 and PB9 pins ad SCA and SCL.If someon...

pietro2 by Associate II
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Basic USART Communication

Posted on February 05, 2013 at 08:41I am using stm32f107rct6 with 25Mhz freq for usart communication. i am sending character 'a' from PC but i am receiving some unwanted data like 'FE' and i am receiving the same data no change , so pls let me known...

aru by Associate II
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  • 1 replies
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