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

NSS stays low after disabling SPI

Posted on December 09, 2015 at 16:00MCU: stm32f103rf SPI: SPI1 without remap, MSTR = 1 SPI1 NSS pin PA4 configured as AF push-pull PA4 remains low independent of SPI state (SPE, SSOE). When PA4 configured as GPIO it is working fine. When running the...

STM3240G-EVAL OV2640

Posted on December 09, 2015 at 15:36Hello! I have evaluation board STM3240G-EVAL with camera module OV2640 onboard. How I can setup camera to resolution 640x480 in RGB565 format?

vlad23 by Associate II
  • 372 Views
  • 0 replies
  • 0 kudos

HSE ext. clock with PLL

Posted on December 08, 2015 at 10:44 Hello, im using a STM32f103 with a external digital clock of 10MHz. By the PLL it was set up to 30MHz with fit to our application. I used the std. perherals library to configure the clock. I a...

CubeMX 4.12

Posted on December 04, 2015 at 17:19When will CubeMX 4.12 be available?Thanks

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
  • 724 Views
  • 2 replies
  • 0 kudos

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 ...

0690X00000605K1QAI.png