STM32 MCUs Products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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STM32F4xx USB device CDC problem

Posted on November 06, 2014 at 22:23I have implemented a USB virtual serial port (CDC) device using the USB HS interface on an STM32F429 processor on an STM32F429I-DISCO evaluation board. The virtual serial port acts as a communication link between ...

krubow by Associate II
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SD card write operation and spikes in analog ADC data.

Posted on January 08, 2014 at 16:43Hi All,I am using STM32F4Discovery board to log data from six analog channels at 50 KHz on micro SD card. Thanks to this forum for the help through various posts, particularly from Clive1. ADC operates in triple AD...

prabhu by Associate II
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  • 15 replies
  • 1 kudos

STM32L0x1 does not start below 3V

Posted on November 06, 2014 at 17:30Our design is operating properly on 3.1V PSU. When we try to start it with 2.9V PSU, it does not start.If we boot at 3.1 V and then reduce the voltage to 2.9V, it stops.The Brownout Reset (BOR) is set to 'disabled...

USB host problem

Posted on November 06, 2014 at 09:23i'm using f407zg and try to use USB HS host with internal PHY but found the program never entry interrupt functionmy program is modify form host_device_libV2.10-USB_host_example which i tried on eval board success...

STM32F105RB custom board

Posted on November 06, 2014 at 06:34Hello everyone, I was using STM32F105RB discovery board from that i made my own custom board. i have uploaded its schematic. When i tried to run the code from ''stm32_library-master'' which is given on ST.com , th...

STM32Cubemx 4.4.0 generation bug

Posted on October 22, 2014 at 18:29Hello everybody! Where can I download a previous version of the stm32cubemx? A newest version has generation bug, the generated c files not working. The initalization paramater sets in the structures but the init f...

totti001 by Associate II
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STM32F429 with WVGA LCD

Posted on June 19, 2014 at 09:57I'm looking to drive an 800x480 LCD using an STM32F429 and the STemWin graphics library, due to the other peripherals needed from the chip, the SDRAM will most likely be limited to 16-bit. Could this be a serious perf...

sam2 by Associate
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Using TIM1 for SPI CLK

Posted on November 05, 2014 at 20:30I need to have 2xSPI synchronized and also synchronized with some timers.Unusual use of TIM1. (STM32F401VC, discovery board)I use TIM1 in repeat and one pulse mode to generate 8 CLK for 1 byte of SPII have a worki...

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stegu by Associate
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STM Studio and elf file from GNU ARM eabi 4.8

Posted on November 01, 2014 at 12:03Hi all, I have issue with importing variables in to STM Studio 3.3. Import shows me only few variables (usually only uint8_t type), rest variables of different types (uint16_t, uint32_t ..) are not in list. Elf fi...