STM32 MCUs Products

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Resolved! Where is pin Nr 1?

Hello,On this picture, which is the pin Nr 1?Top right or bottom left ?ThanksJulien

JulienD by Senior
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Resolved! How can we use RS-485 in full-duplex ?

Hello,We need to use RS-485 in full duplex, and with the flow control (DE).Is it that when we configure DE with RS485 is shall be used as half duplex ?can I configure rs232 pins with RTS (instead of DE) before converting voltage to rs-485 levels ?Wil...

ranran by Senior II
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  • 16 replies
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Resolved! STM32H7 SPI ISSUE

Posted on April 06, 2018 at 16:43 Hai, Iam using the STM32H743VIT controller , We are using the spi4 in our board ,we generated the code using the cube mx nothing is coming(CLK and SIN)when transmit the data using the function ( HAL_SPI_Transmit(SP...

MANISH by Associate II
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  • 10 replies
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internal temperature sensor stability

Hi guys and girls!I'm using STSPIN32F0, an MCU with built-in 3-phase motor driver and I'm trying to read internal temperature sensor. What I'm getting back looks to me like random walk within range of about 10 degrees Celsius (please see attachment)....

Misha K by Associate III
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Indeterminate state of MCU

We use STM32412 for our battery operated system.A strange case is observed where MCU stopped responding.Neither it got powered up, also seems the code was not being executed.Our NRST pin is powered by the same source by which MCU is powered, so NRST ...

PChan.17 by Associate II
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  • 6 replies
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get the timer count

Hi,I dont know whats wrong with my code, I just want to test the timer's working .the purpose of the program is to turn off the led after a number of cycle . but this have never been happen, the led still on.PS im working wit HSI_VALUE  ((uint32_t)16...

mmed by Associate III
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  • 9 replies
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Trying to make an L031 wake up in 65 µs - how?

I've been trying to get an STM32L031 to periodically wakeup with minimal power consumption. The specs say it can standby at under 0.5 µA, which I can confirm, but also that it can wake up within 65 µs, which I cannot reproduce. I'm seeing a 1.6 ms de...

jcw by Associate II
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  • 23 replies
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