STM32 MCUs products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...


STM32L552 I2S DMA and CDC continuous transfer problem

I have an ADC connected to my MCU using I2S. MCU configured in I2S master receive mode. MCU supplying the ADC with 12MHZ MCLK. MCU sampling freq is 48 KHZ(Actual is 46.875 KHZ), Number of slots are 4, Data size is 16bits and I2S standard protocol. Us...

Dhanaraj by Associate II
  • 3 replies
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Resolved! STM32U5xx UCPD RM0456 documentation inconsistency

I try to figure out what the correct UCPD clock frequency is.RM0456 in section 74.4.2 UCPD reset and clocks states:"The receiver is designed to work in the clock frequency range from 6 to 18 MHz. However, the optimum performance is ensured in the ran...

TDJ by Senior III
  • 4 replies
  • 4 kudos

Resolved! STM32F446ZE not booting

Hello,some of our boards do not boot after powering them. We realised that most of the time this happens, the 1.2V at VCAP1 and VCAP2 == 0V. At our boards the BYPASS_REG pin is floating. So there are two questions for us now:1. Could the floating BYP...

CO by Associate II
  • 5 replies
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STM32F207 HAL Ethernet examples

I have one of these:NUCLEO-F207ZG - STM32 Nucleo-144 development board with STM32F207ZG MCU, supports Arduino, ST Zio and morpho connectivity - STMicroelectronicsI am wanting to find some example projects with Cube setups for ethernet. Are they out t...

Resolved! RS422

I need to capture 8 x RS422 data and send them to abother unit via TCP/IP. We have designed a custom board for this. My questions are: 1. In terms of software programming side there is no difference between RS232 and RS422 right?2. Which example samp...

ozhan by Associate
  • 4 replies
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devices on JTAG chain on H563

I see this: (on NUCLEO-H563ZI board) JTAG chain detection found 2 devices: #0 Id: 0x6BA00477, IRLen: 04, CoreSight JTAG-DP #1 Id: 0x06484041, IRLen: 05, Unknown device What is the device #1 ?

mete by Senior
  • 1 replies
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Hi,I using Eval boar : stm3210E-eval (stm32F103ZG6)I want to communicate with an external device vua USB, this device should be communicatre with USB1 gen,I ask if it could be with this eval board?>If not, if I use this MCU stm32f103ZG6 and make a pr...

HT by Associate
  • 1 replies
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Resolved! EXTI only exits STOP Mode 2 the first time

Hello,I have a test app that starts in wake for 5s (with "high" current and GPIO output high) then enters STOP Mode 2 (with "low" current and GPIO output low). It remains in that mode until the EXTI 1 interrupt is triggered by a button press, which w...

EC.3 by Associate III
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