STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

stm32F100 I2C1 and SPI3

Posted on March 31, 2017 at 03:42mcu: stm32f100vctI am using spi3 and i2c1 together.However, when i2c1 is used, no signal is output from mosi of spi3.If i2c1 is deleted, spi3 will operate normally.If i2c1 and spi1 (remap) are used, I2c SMBA does not...

Resolved! STM32F437 timer sizes

Posted on March 30, 2017 at 18:47I see varying information about whether the timers in my STM32F437 are 16 bit or 32. Maybe I missed a table in RM0090 or the data sheet. Could someone please point me to a place where this info might be consolidated?...

John Hite by Associate III
  • 623 Views
  • 5 replies
  • 0 kudos

18.4.17 TIMx DMA control register (TIMx_DCR)

Posted on March 24, 2017 at 19:02in RM0090 18.4.17 TIMx DMA control register (TIMx_DCR) it states:Bits 4:0 DBA[4:0]: DMA base addressThis 5-bit vector defines the base-address for DMA transfers (when read/write access aredone through the TIMx_DMAR a...

John Hite by Associate III
  • 462 Views
  • 1 replies
  • 0 kudos

STM32F407 CAN Bus Transmit error

Posted on March 17, 2017 at 03:07Hello, I m a new guy in ST MCUI use CubeMX as start point and create a project for CAN1 and CAN2 Communication, and test a simple code belowresult is 'HAL_CAN_Transmit(&hcan1, 50); ' always return Time out error;can ...

STM32F107 Interrupt crash

Posted on March 30, 2017 at 17:44Hi to all,I have a problem about interrupt, expecially USART interrupt.I use USART1 to interface my boarf to computer (FT232), but often my routine crashes.Here is the code:uint16_t iocnt = 0;extern 'C' void USART1_I...

STM32L475/476 mbed OS

Posted on March 30, 2017 at 17:03Hi! ST32L476 Discovery Board is an mbed OS enabled board. If i have only an L476 MCU in my hardware design (no in-circuit debugger, but LQFP100 as well) so technically it is not a board, will my device still be mbed ...