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D0-D3 lines always high on STM32F412RE

I'm trying to connect a ILI9341 based parallel LCD to STM32F412RE. I have successfully connected that to the STM32F412ZG in the past, but that was using the pins in the H/G ports not available in the 64 pin package. When configured for pins on the 64...

RADC of STM32G473

Figure 29 of the STM32G473 datasheet calls out an unspecified, internal RADC. Is there any data on this internal resistance?

AMcIn.1 by Associate
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  • 2 replies
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Resolved! STM32L4R5 HSE Rext External Resistor

Hi, I'm using STM32L4R5 and I'm planning to use the HSE, and already selected a crystal (Abracon LLC - ABMM2-8.000MHZ-E2-T https://abracon.com/Resonators/ABMM2.pdf).Freq - 8MHzCL1=CL2 = 24pFgmcrit = 0.4548Gain margin = 16.49For external resistor Rext...

CYeow.1 by Associate II
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  • 1 replies
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STM32L4 - HSI16 accuracy / over time stability

On our project 4 (out of 1200) devices startet to have problems after a few weeks of working. It turned out they had a HSI16 of 15MHz @ the default calibration settings. A recalibrating brought it back to 16MHz, but questions arises:How can the HSI16...

aritec by Associate III
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A qutetion about STM32F429 IAP program

Hi ! there is a question about my program: I use a bigger array ,size is 10K , in my app program ,my IAP bootloader program can jump to app program ,and it works. but when I change it up to 20K , app doesn't work.And the app works even array's siz...

Hhh.1 by Associate
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Stm32f730i8 spi issue

Hi, I am using stm32f730i8 chip set for my application, whereas I am communicating the peripheral through spi where I need high frequency clock. But currently I am able to operate with 2MHz if I increase beyond that the spi clock is getting skewed.Pl...

KSiva.11 by Associate
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  • 1 replies
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Clearing the SPI Buffer

Hi all, I'm working on a project where I am using an STM32F3 (master) to communicate with an STM32G0 (slave) using SPI with DMA. The G0 performs a task and can receive commands, and have it's "registers" (ie. state data) read out over the SPI. I want...

Konami by Senior II
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