STM32 MCUs Products

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STM32F103 GPIO Output Speed

Posted on September 21, 2012 at 15:07When I program a GPIO pin, I have to define a ''speed'': 2, 10 or 50MHz. What does this mean in terms of hardware? Is this a filter? If I program the pin with 2MHz I can't output a signal with 5MHz. What is the h...

jpb by Associate
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  • 1 replies
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Output voltage problem with ST802RT1A

Posted on September 18, 2012 at 17:34Hi thereI am using the Ethernet Transceiver ST802RT1A to make my own PCB board following the design of STEVAL-PCC012V1 (http://www.st.com/internet/evalboard/product/250577.jsp) except one thing - I changed the ma...

jinkang by Associate II
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  • 6 replies
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STM32F407 TIM2_CH1

Posted on September 20, 2012 at 20:07Hi, Looking at the data sheet of the STM32F407X, I can't find what pin number the TIM2_CH1 maps to. Please help. Thanks Nhan Pham

npham by Associate II
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  • 3 replies
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DCMI, SDIO and USART

Posted on September 20, 2012 at 12:05there have been lots of posts on dcmi. but I couldnt find what I wanted on any of them.i have a STM3240-G eval board with ov2640 camera. I am getting pictures at 320x240. I store it in the SRAM and transfer it to...

nakulrao by Associate II
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  • 0 replies
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Can't get simple blinkylights to work

Posted on September 20, 2012 at 01:42 After figuring out how to configure ARM GCC and Eclipse, I wrote the shortest demo program I could come up with. My program is supposed to light one LED when the user button is pressed, and the other LED whe...

How to upgrade the firmware via GPRS

Posted on September 19, 2012 at 14:33I have designed a GPRS Modem. STM32F103R8 has been used in it. After realizing tis project, upgrading firmware from a web server was requested. In my circuit there is a Flash Memory (M25P16). This memory communic...

sbaris by Associate
  • 772 Views
  • 4 replies
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how fast is capture?

Posted on September 19, 2012 at 01:53Hi every one is anyone know about pulse capturing in stm32f4 ,how fast is it? and how accurate is it i wana measure 1mhz pulse with 0.2% error is stm32f4 able to do that?thank you  

imanpakii by Associate III
  • 395 Views
  • 3 replies
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DMA means

Posted on September 19, 2012 at 01:05Hi guys Do you know what's meaning DMA in timers .with my investigate it's stand for Direct Memory Access ,but i want to know what does it mean in timers features ? Thank you

imanpakii by Associate III
  • 395 Views
  • 2 replies
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stm32f4 kit

Posted on September 15, 2012 at 13:51hii 1-what is different between programming and debuger 2-i will buy stm32f4 discovery it have st-link programmer . can i programming stm8 by the st-link thank all

jbl_raw by Associate II
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  • 7 replies
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