STM32 MCUs Products

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Forum Posts

STM32F4 Boundary Scan

Posted on August 15, 2013 at 10:58A recent post said BSDL files for STM32F microcontrollers are on the web (for JTAG Boundary Scan). I'm looking for the files for STM32F407ZG (144 pin) and STM32F407IG (176 pin). Also any recommendations for associat...

John F. by Senior
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Stm32f4 ADC reference voltages

Posted on May 11, 2014 at 13:08I just started using Stm32f4 Discovery and was working with ADC to get input values from several infra red sensors. In the datasheet there is mention of VDDA and Vref+ but I have found no such pins on my board. I want...

furqan by Associate II
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  • 3 replies
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STM32F103 - RDP with programming

Posted on May 10, 2014 at 17:58HelloI am searching for the way how to protect my chip. It should:- protect flash memory from reading in all cases, even if somebody flashes his own firmware.- allow to upload new firmware with stock bootloader (usart)...

zexx86 by Associate II
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  • 2 replies
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USB connection between STM32F405ZG and PC

Posted on May 09, 2014 at 13:45Hello guys!I am currently working on a thesis project where my task is to establish a communication between the USB port of the board (custom board) with STM32f405ZG microcontroller.Could you please guide me how to sta...

eray by Associate
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  • 2 replies
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PORT and TIM issue with Discovery Board STM32F407

Posted on May 10, 2014 at 16:47I am working on a sine wave program as a part of an Amateur Radio project.  I have a working code producing what I want using TIM3-- PWM and PORTC.  I am unfortunately unable to neither change the TIM3 to any other TIM...

9artus by Associate II
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  • 4 replies
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Adding Floating Point in Keil

Posted on January 22, 2013 at 08:32Hi, I am using STM32f4discovery board and am trying to write a code which will take moving average of accelerometer data. For this purpose my average variable have to be in floating point. But during initialization...

osama by Associate II
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  • 3 replies
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USART1 Remap not working: Influenced by I2C remap!

Posted on May 10, 2014 at 14:12 Hello, I am having a strange problem where my UART1 remap is getting dependent on I2C1 remap. Following is the scenario: If I configure only UART1, remapped to PB6/7 it does not workWhen I enable the rema...

Inputs GPIO

Posted on May 09, 2014 at 22:09Hello everybody.I want to solve a read problem in a special hardware, the configuration of each pin is input:RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB | RCC_AHB1Periph_GPIOC | RCC_AHB1Periph_GP...