STM32 MCUs Products

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Resolved! Translating incoming data from PA10 (USART1 Rx) to PB4 (JTRST) with erased FLASH or under reset in STM32G473

I have RS-485 transceiver connected to USART1 (PA9 + PA10) and relay connected to PB4. If MCU have erased FLASH or RST-pin connected to GND all incoming data to pin PA10 (Rx) for RS-485 line translated to pin PB4 in inversion (0 on PA10 => 1 on PB4, ...

Nabekaite by Associate II
  • 1352 Views
  • 8 replies
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STM32L412 and reference voltage buffer

STM32L412xx datasheet DS12469 even in Rev. 8 talks about � Accurate 2.5 V or 2.048 V reference voltage buffered outputon the front page. The reference manual gives only availability on L43 and L45.

Powering STM32 L476RG at 1.8V - Any major disadvantages?

I'm currently using the STM32 L476RG for an application where I need to communicate with peripherals through SPI at 1.8V. Currently I'm using the TXB0108 bidirectional logic level shifter to convert my SPI lines from 3.3V to 1.8V but there are proble...

LBouz.1 by Associate II
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  • 3 replies
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Corrupted data via SPI_HAL_Receive in STM32F407

Dear friends, I need your help with the issue of data corruption when reading the data on SPI bus in STM32F407. I'm using 24 channels of temperature measurement (slaves) with one master STM32F407. 12 channels are connected to SPI1, other 12 channels ...

OVeli.1 by Associate II
  • 1159 Views
  • 3 replies
  • 0 kudos

Code alters a variable on itself

Hello,I want to be able to do multiple routines in my stm32 code. I went for the option to use Switch case statements. The problem is after the code has done one iteration the variable that is used in the switch statement(routine_test) changes on its...

HBesi.1 by Associate II
  • 1166 Views
  • 5 replies
  • 1 kudos