STM32 MCUs Products

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stm32l151 usb

Posted on December 06, 2015 at 16:04hi,on a custom board, i ran into the following situation:usb is connected to PA11,PA12 and working fine.however, when reseting the usb subsystem pin PA7 is pulled high and remains high.this pin is supposed to be u...

ron23 by Associate
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Question about ST-Nucleo

Posted on December 10, 2015 at 16:18Hello, I develop power conversion controller and have one question. STM32-Nucleo have internally asynchronous serial junction between debugger MCU and target MCU. In ST-LINK/V2(-1) this feature not present. I can ...

Limit of size of array and functions of STM32 chip

Posted on December 13, 2015 at 06:25When we use STM32 chip, is there a limit for the size of array and subroutine?For example, if the chip has 128k ram, can I allocat 100k to an array(or buffer) or define an array as char chs[100k]? Certainly we nee...

rwmao by Senior
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Example: PWM on STM32-Discovery Blue LED

Posted on February 12, 2011 at 21:39Hey, I just spent a bunch of time sorting out how to get the darn PWM output on the blue LED on the STM32-Discovery board.  After a lot of time pouring over the datasheets and forum posts I was finally able to wor...

Input capture - autoreload problem

Posted on December 08, 2015 at 16:36HiI try to set an input capture on a stm32f100(rbt6b) I set a counter period of 0xFFFF, the problem is that when I retrieve the value, I have the feeling that the timer is overflow at 255 and not 65535 as I mentio...

STM32 USB CDC ethernet

Posted on December 09, 2015 at 13:20hi, in my project we are using virtual com port for a communication between pc(usb) and stm32f103(USB). But due to ground loop and noise we are facing communication problems. so, to over come this we are planning ...

NAND FLASH + STM32F4 DISCOVERY + USB MASS STORAGE

Posted on July 29, 2013 at 10:41Hi,I want to make project NAND FLASH + STM32F4 DISCOVERY + USB MASS STORAGE, but isnt't easy ))I have any examples (Discovery\Open407V-D\USB HS Examples\Project\USB_Device_Examples\MSC) with MSC, but it works with SD ...

069349773 by Associate II
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STM32F030C6 Supply voltage sensitivity

Posted on December 12, 2015 at 18:42Hi there,I am using a STM32F030C6 behind a buck stepping down a voltage to 5,5V, then a LDO regulating to 5V and finaly a LDO to regulate a 3,3V for the STM.At the scope, the 3,3V is almost clean. Still having som...

How to enable a timer using cube hal?

Posted on November 26, 2015 at 14:06Working with: Stm32F401C-DiscoSTM32Cube_FW_F4_V1.9.0CubeMX 4.11.0 SW4STM32 In my project, I need to setup a timer (e.g. TIM3) directly in hand written code. I struggled around on the question, what is the offic...