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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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Need STM32L4 IOT Discovery Kit full Webinar access

Posted on May 16, 2017 at 17:08Participated in the webinar from the ST Microelectronics broadcasted emails. Invested most of the hour listening through the Milli Vanilli reborn presentation on how to use the AWS with the new STM32L4 IOT Discovery Ki...

Mon2 by Senior III
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RCC HSE CONFIG

Posted on July 17, 2017 at 07:01heyI'm use stm32f013cbtx and 8MHz crystal connect to HSE And use standard peripherals library with Keil v5.How can i config micro-controller for 72 MHz clock(with Cmsis)?is it possible?Thanks

Problem receiving data from CC2540

Posted on July 13, 2017 at 18:28Hi,I have an STM32 and am trying to receive a single byte of data from a CC2540 over UART. I've verified that the data transmission from the CC2540 is working properly (I can receive the data in a serial terminal) but...

How to calculate I2C SCL Speed

Posted on July 14, 2017 at 06:27I'm trying to get a 100 or 400 kHz rate on I2C3 SCL to interface with a Sparkfun IMU breakout board. I was wondering what value I should set 'TIMING' to in order to achieve this rate with an STM32L476RG Nucleo board. ...

RTC can't work because PLL already use

Posted on July 17, 2017 at 07:46Dear Sir:I had reference the PWR_STANDBY_RTC sample code form STM32Cube_FW_L4_V1.8.0This sample code are work well and wake up about 30 second,but after move to my code get return fail atif(HAL_RCC_OscConfig(&RCC_OscI...

Resolved! HAL I2C Communication Problem

Posted on July 14, 2017 at 11:52Dear Sir/Madam,I am working on STM32F405 mcu.I developed my code on cubemx and HAL drivers.I want to interface microchip adc 'MCP3428' via HAL I2C drivers but unfortunately i was failed.Anybody of you please help me t...

HAL Documentation PDF Table of Contents

Posted on July 14, 2017 at 23:26Would it be possible to make the table of contents in the HAL Documentation PDFs more useful? Currently it looks like this:It would be way more useful if section 49.2 had headings in the table of contents for each fun...

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Confused on TIM_SelectCCDMA

Posted on July 14, 2017 at 15:19I want to use Timer Capture event to generate DMA requests, how TIM_SelectCCDMA should be called?TIM_SelectCCDMA(TIMx, ENABLE)?This will set CCDS bit, but according the reference manual for STM32F303, bit CCDS should ...

USB HID keyboard

Posted on July 17, 2017 at 12:48How to turn On/Off leds on keyboard conected by usb/hid interface? Keyboard is working in BOOT mode