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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...

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STM32CubeMX Clock configuration error

Posted on November 14, 2016 at 16:59Hi guys,I want to use the internal 8MHz HSI reference for generating my clocks, but allthough there is now clock speed error to resolve I still get an error that the HSI is not recommended for the PLL as input. Wh...

STM32F429 external SDRAM issue

Posted on November 14, 2016 at 10:38Hi All,I have a custom hardware dev board which includes an SDRAM (AS4C16M16SA), NOR Flash (S29GL128S) and a STM32F429. The schematic for this board is identical to other commercial dev boards that have the same m...

Can i interchange two chips in same serie?

Posted on November 16, 2016 at 01:19I am using STM32F411RET6 and RCT6 chips. For some reasons, I can't tell the chip number in the board because it is blocked by something else.Therefore I present all the chips are RCT6, which has a smaller code spa...

rwmao by Senior
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STM32F407 Infrared receiver

Posted on November 16, 2016 at 21:14I am looking to implement receivers for infrared remote control protocolsusing STM32F407 bord.However all my attempts failed.  Anyone can help my write a simple code to read the sensor input ?? Appreciated , thank...

DMA and RCC Low Power Enable bits (LPENR)

Posted on November 17, 2016 at 20:02I'm on an STM32F4 and using an RTOS.  I put the MCU to sleep whenever the scheduler has nothing to do using the WFI instruction.  I'm using DMA1 with i2S and a USART.  I want to disable the DMA1 clock using the RC...

Possible bug in Cube Lib 1.6 with I2C / DMA

Posted on November 17, 2016 at 18:22 Hello In stm32L1 Cube lib 1.6. In the interrupt handling of a transfer complete on i2c in slave mode with DMA, the HAL_DMA_IRQHandler(...) calls XferCpltCallback(...) which points to I...

JulienD by Senior
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STM32F0 UART MODBUS mode fix

Posted on November 16, 2016 at 19:42 Hello there, I was trying to get going with ModBus RTU communication on the STM32F030 chip, specifically the t3,5 interval counting, since its supported by hardware in this chip (RM0091 page 701 on the bo...

I2C module hangs on STM32F030K6

Posted on November 02, 2016 at 09:25Hello all.I've got a problem using I2C1 module on STM32F030K6 MCU. Everything works properly until I enter ESD exposure to the pcb. This leads to I2C hanging, but other parts of MCU continue working.I tried to res...

ap1011 by Associate
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Which API use for RTOS?

Posted on November 17, 2016 at 12:57Hello, The STM32cubeMX code generator labels as FreeRTOS the RTOS functionalities, but the code generated looks compliant to the CMSIS-RTOS API. The directory Middlewares\Third_Party\FreeRTOS\Source contains the s...

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