STM32 MCUs Products

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Question of STKNX

Regarding the KNX TP, I tested the STKNX evaluation board and my board which have ST-KNX chip then have below questions: Q1, The testing connection is       UART TX => KNX_TX (STKNX EV1) => KNX_TP line => KNX_RX(STKNX chip board 2) => UART RXCH1: KNX...

JFung1_0-1724153013572.jpeg JFung1_1-1724153013575.jpeg JFung1_2-1724153049985.png
JFung.1 by Associate III
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Resolved! FSMC on STM32F103ZG vs FMC on STM32H755ZI

Good Day and Hello Everyone. In my upcoming project, my task is to upgrade the currently used MCU from STM32F103ZG to STM32H755ZI. My question are;1- Can I replace all the FSMC I/O pins that I'm currently using on STM32F103ZG with the FMC I/O pins on...

mdfsl by Associate II
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Resolved! CMOS- and TTL-compliant

Hi,Master:platform: STM32G070CBQuesion:       Regarding CMOS - and TTL compliant, the manual provides the above diagram. How does it achieve compatibility? When Vin>min (07 x VDDIO, 2), is it considered that the input is at a high level? When Vin<min...

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Lyu.1 by Associate III
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Resolved! Bootloader initialization concern with STM32G0B0R

Hi, Please advise . I've been designing with the STM32G0B0R at my company. I have some ports connected to a ULN2003A driver input and ouputs to a relay's negative return, since the relay is conneted to 12V . specifically PC10, PC11. PC12,PC13. the UL...

GZ1 by Associate
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STM32H563 read from flash bug

Hi, I have an IAP project which have image A and image B. Image A is on flash bank1 and image B is on flash bank 2. When I run image A and upgrade image B, I will trigger the bug when doing soft CRC. The system is running on freertos.My soft crc code...

stc.png Capture.PNG
Ehow by Associate II
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STM32 MCU CAN clock register default value

Hello folks,Anyone knows the default CAN clock frequency on STM32H753 MCU when powered on, assuming the CAN bit timing register (CAN_BTR) was not set by FW during the initialization?If this value would be a random, could it be changed depending on re...

fourhes by Associate II
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