STM32 MCUs Products

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Interupt responstime issue stm32f429 vs stm32f767

Posted on December 14, 2016 at 14:36hello,I'am use for a project the stm32f429. The interrupt handler must react so soon as possible.The stm32f429 interrupt responstime is 218ns.It's  fast but not fast enough. I decided to make a new design with the...

Hans T by Senior
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  • 15 replies
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STM32F4 TIM1 One Shot Mode configuration

Posted on November 29, 2016 at 23:27Greetings,I am trying to achieve the following with TIM1 and TIM1_CH1:1. Generate X number of PWM pulses after an event.2. Idle state of PWM output should be low.3. Pulse output should be high immediately after PW...

rcstang by Associate
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  • 3 replies
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Touchscreen linearity on STM32F469 issue

Posted on December 11, 2016 at 01:29After spending a lot of time with an STM32F469 discovery board I found that the touch screen doesn't have good linearity at all.  You can't draw a straight line across the screen.  If you for instance, start on th...

STM32F407G-DISC1 - cannot access memory

Posted on December 22, 2016 at 15:02Hi,after working with this board fine for a while I now have a problem. Using Keil when I tried to LOAD the program a message reads: 'Flash Timeout. Reset the Target and try again.'. I tried a lot of things, from ...

How to control CS independently of SRAM R/W ?

Posted on December 21, 2016 at 20:37Hello,We use LCD interface with SM32F4 , with ILITEK 9341.According to LCD datasheet is it required that CS will be kept active throught several writings of data/control.But We see that each write of 8-bit word re...

ranran by Senior II
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  • 3 replies
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How to clear HAL_BUSY situation for I2C

Posted on December 22, 2016 at 14:36Hello,On my board I have 2 STM32 processors which communicate to each other over I2C. One is always a master and the other one is slave.The slave prepares some data, and then I do:   HAL_I2C_Slave_Receive_ITand wa...

srdjan by Associate II
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STM32F7 Nucleo with SD card issue

Posted on December 22, 2016 at 09:14Hi, i'm using Stm32f746zg nucleo-144 board and i want to work with sd card communication, as i see on internet there are some examples about f4 but i did not work with sd card. ?f anybody tried something about sd ...