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Resolved! STM32U5 and USB HS

Hi allI'm configuring STM32U5A5VJT to work with the USB HS crystaless. From the Cube it seems to be possibile to use one of the integrated oscillators as clock source for the USB HS but this is not mentioned in the datasheet.I'm afraid that it could ...

Resolved! Mixed interrupts in the vector table

Hello,I'm looking the vector table described in the Table 97 of the STM32G4 series reference manual, and it shows interrupts with different characteristics, such as TIM1_BRK/TIM15 and TIM6_DACUNDER, being allocated to the same address. This is very c...

macalon by Associate
  • 498 Views
  • 2 replies
  • 1 kudos

Resolved! Can I use OCTOSPI as a Classic SPI?

Hi. I am using STM32H735VG for SPI communication with external ADCs.But I want to add external ADCs and I already used all 5 SPIs.So I will use OCTOSPI, can OCTOSPI play the same role as classic SPI?In menual, OCTOSPI in indirect operating mode works...

giwonKIM by Associate III
  • 1122 Views
  • 5 replies
  • 0 kudos

Resolved! NUCLEO-F412ZG CAN Configuration issue

I having trouble getting the correct CAN timing configured with default 96Mhz System Clock on the NUCLEO-F412ZG eval board. I need a 250kbit/s baud rate. Here is what I have so far. The system clock setup is below.  

JDOG_0-1712351780796.png JDOG_1-1712351954587.png
JDOG by Associate III
  • 447 Views
  • 2 replies
  • 1 kudos

Why STM32CubeMX No More Generating sysmem.c?

Posted on May 26, 2017 at 13:35Hi,How do I enable the STM32CubeMX version 4.21.0 to generate sysmem.c file under startup folder? The file seems to be missing. The older version of STM32CubeMX automatically generates it.#stm32

pohtv by Associate II
  • 1681 Views
  • 6 replies
  • 2 kudos

Resolved! ESD protection for 2 USB port connectors

Hello,I setup a USB virtual com port which I use for serial comm.  My design has 2 boards; a panel-board and main-board.  The main-board has an STM32F373 with a USB-C connector as well as ESD321DYAR diodes for DM and DP USB line protection.The main-b...

LMorr.3 by Senior II
  • 1467 Views
  • 8 replies
  • 4 kudos

ADC for battery voltage monitor

Hi,I am using a STM32L4ZIT6 MCU. I want to monitor 4.2V Lipo battery voltage on an ADC pin. I have experimented two approaches:First:I used a 332k - 820k divider in order to drain low queiescent current. This is an high impendance measurement, where ...

lukin by Associate III
  • 1924 Views
  • 7 replies
  • 0 kudos

ADC interface circuit

I am using two STM32F405's to read a switch and have some diagnostics.I interface this to an analog input on one MCU and a digital input (no pull up/down) on another MCU.However, I have cross-talk with the neighboring analog channels and more severe,...

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FinnF by Associate
  • 928 Views
  • 3 replies
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Resolved! STM32H723 Analog Temperature Measurement Alarm

All: I have connected internal temperature to ADC3, and I am able to display degrees C on "Live Expressions".  The particular chip we are working with has an operating range of -40 C to + 85 C. If I am monitoring the internal temperature on a regular...

ToddA by Associate II
  • 701 Views
  • 3 replies
  • 2 kudos