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Forum Posts

the screen refreshes twice when touching the screen

hello ST community,I'm wondering why when I'm touching the screen (interruption) the screen refresh twice and when I do this with a push button (interruption too) it refreshes only once. is there an explanation for that (I want that the display refre...

idrissmc by Associate III
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NMI and Hardfault interrupt issue

Softwares Details:µVision IDE : version 5.31.0.0STM32CubeMx : version 5.4.0Hardware Details:Mcu: STM32G030K6T6Programmer : STLink-V3MiniWork Description:I configured 3 pins of mcu as external interrupts triggering on both rising and falling edges fro...

usama.s by Associate
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understanding the I2C peripheral on STM32L412

I want to use the I2C peripheral on my STM32L412C8T6, although I read the reference manual I'm still finding the operation of this peripheral a little confusing. I have a 4 channel I2C 12bit DAC to operate, so I want the I2C to act as a master transm...

deep_rune by Associate III
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STMh734 GPIO as parallel bits interface

HiI would like to use the GPIOs on the STMh743 as a parallel bit bus for A2D sampling through an external A2D device. The sampling resolution could be low as 4bits thus 4 pins could be used for data. The sampling rate should be 100Mhz so it will take...

deckhard by Associate III
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  • 3 replies
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Resolved! NUCLEO L432KC. How to print on TeraTerm using printf function?

Hi! My name is Vincenzo.I'm studying the board L432KC and I can't understand why using the HAL_UART_Transmit function I can transmit data on the terminal, while using the printf function nothing appears. Is there any preliminary operation to do? Than...

VNava by Associate III
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Best way to interface external parallel ADC and DAC

Dear All,I have to develop a couple of boards: one to interface ADC LTC2202, 16 bits parallel, 10Msps and the other one to interface an external DAC AD5447, 12bits parallel, 10Msps.I will use for both boards STM32F429ZIT. My questions are:what is th...