STM32 MCUs Products

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Pwm master slave synchronization

Posted on December 04, 2015 at 19:07Hello, I'm working with STM32F4 and I'd like to stop PWM after N periods automatically like explained in this [DEAD LINK /public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/Flat.aspx?RootFolder=/public/STe2ecommuni...

lrosadev by Associate II
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reverse supply through output

Posted on December 08, 2015 at 23:19My STM32F030 is SPI slave to another external MCU.  External host may turn the VCC of my STM32  off.  When this happens SPI_CLK and MOSI pins are still at +3.3V, and these signals back-supply my MCU through output...

STM32F4 RS485 and RTS pin

Posted on December 08, 2015 at 12:11Hello there,I need to implement rs485 communication using STM32F407. I am using MAX487 chip which has a direction pin. I have searched the forums for a hardware solution to this, and found a topic which says that ...

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CubeMX broke SDIO DMA in latest update

Posted on November 12, 2015 at 15:04In the current release of CubeMX V4.11.0 using the latest F4 libraries, V1.9.0, a bug has been introduced that makes the SDIO DMA channels useless.  In the previous library set, V1.8.0, when the DMA channels were ...

STM32 NUCLEO extension board with Ardunio Uno

Posted on November 10, 2015 at 21:05Hi ,I am trying to develope Ble HID keyboard using Ardunio Uno and STM32 X-NUCLEO-IDB05A1 extension board.I am very new to this... I have gone through the STM32 quick guide. I could not understand whether I need t...

venky999 by Associate II
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STM32F249 ADC using EXTI11 + DMA

Posted on December 08, 2015 at 12:08 Hello, I'm trying to use ADC with EXTI_ I have read many discussions before but still got an issue here. Here's the code I'm using: static void ADC3_CH13_DMA_Config(void) { ADC_InitTypeDef ADC_I...