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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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Pause a systick timer in cortex m3

Posted on December 02, 2017 at 17:29Is there a way to pause systick timer in cortex m3. Disabling/Enabling the timer doesn't pause it, but causes it to stop and restart. I want to pause the systick timer. Is there any way to do this?#systick #cortex...

UART/USART IT Handler Has No Callback

Posted on December 02, 2017 at 23:08In stm32L4xx_hal_uart.c and usart.c for the HAL Driver version 1.10.0, a call to HAL_UART_IRQHandler returns back to the caller if no errors instead of HAL_UART_RxCpltCallback. This is contrary to the descriptive ...

Need to add an extra clock cycle to an I2C clock line

Posted on December 01, 2017 at 04:55I am writing a driver for an old Lego NXT ultrasonic sensor. It uses I2C, which is fine in itself, but the sensor has a well-known bug such that it does not always follow standard I2C protocol. Specifically, it re...

PDR by Associate III
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AC6 instable on MacOS High Sierra

Posted on December 03, 2017 at 01:22I do have AC6 frequently quitting unexpectedly while using it on MacOS High Sierra. Both MacOS and AC6 are updated to the latest versions.Any ideas what may be the cause?

How to use ST31G480?

Posted on December 03, 2017 at 18:24Hello, Everybody.I have to use to build secure tag.But I have no datasheet and application circuits with ST31G480.I can not find enough data in Online.How can I use it?If you have datasheet or application circuits...

STM32f103 connection with ADXRS453 via SPI

Posted on December 02, 2017 at 12:00Hi.Recently i'm using ADXRS453BEYZ but failed to work with it !I used 5V power supply for sensor and connect it via Buffer to 3.3v ARM microcontroller (STM32f103CBT6).this is my configs/*SPI config*/ RCC_APB2Perip...

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joe ted by Associate II
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which channel which data

Posted on May 06, 2017 at 13:34 Hi there. i have a question about stm32f745 adc. When we use ADC in Scan mode,Continuous,Regular with Interrupt, how to detect which data is for which channel. eos flag bit is not considered in this chip. I have to u...