STM32 MCUs Products

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USART and stop bits

Posted on June 23, 2011 at 23:58In playing around with USART3, I'm attempting to configure it for DMX (250000 baud, 8 data bits, 2 stop bits).  In fact, when configured this way, what actually seems to happen is that any data I attempt to send is ac...

slandrum by Associate II
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NHD-C12832A1Z with the STM32F103

Posted on March 30, 2013 at 18:41I need some help. I have a board with a STM32F103CB micro and an NHD-C12832A1Z 128x32 pixel graphic LCD display with built in ST7565R controller. My problem is that I can not get the display to display anything. The ...

STM32F407 nested interrupts

Posted on March 31, 2013 at 13:18Once again I feel really stupid. I can't get nested interrupts working.In the attached file there are three functions, NVIC_Configuration(), SysTick_Handler() and TIM6_DAC_IRQHandler().I intend the SysTick interrupt ...

STM32F4: Using two DMA streams with single request

Posted on March 21, 2013 at 08:25Device: STM32F405. Is it possible to use two DMA streams with single request? For example, connect DMA2_Stream0 to channel 6 (TIM1_TRIG) and DMA2_Stream4 to channel 6 (TIM1_TRIG, too). I want to start two diffirent D...

Jumping to a memory location..bootloader C code

Posted on March 30, 2013 at 22:15Hi, In our system, I have to be able to update the application code. Therefore I believe I need to copy the application to memory location 0x8000000 and then jump to this location...basically a small bootloader of so...

stenasc by Senior
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Ultrasonic sensors, input capture configuration

Posted on March 30, 2013 at 17:19Hello, I need to connect 4 Ultrasonic sensors to STM32f4. Basically I need to measure the pulse width on their output. I tried to configure an interrupt  with TIM5 (32bit counter) for 4 channels and at each interrup...

vault by Associate
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Beginner there is any pdf reference about stm32

Posted on March 30, 2013 at 09:21I have experienced with AVR MCU-8bits programs. When I was begin to AVR MCU, there is an official reference that prepared by Atmel itself for developer to understand what register should be initialed in order to have...

Problem with USART with stm32f103c8t6 microcontroller

Posted on March 25, 2013 at 11:19Hi everyone!! I'm working on my very first project as engineer with a friend and colleague. We bought th eval board with the f4 and f100 series microcontroller on. We tested our code on both of them and everything's ...

mat25nt by Associate II
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  • 11 replies
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