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...


RTC Year?

Posted on June 23, 2018 at 02:06 Hi, Why the RTC Year is a uint8_t and value must be b/w 0 and 99? How do we map to real year? Thx /** * @brief RTC Date structure definition */ typedef struct { uint8_t WeekDay; /*!< Specifies the RTC D...

I2C Master Clock Stretching STM32F746

Posted on June 26, 2018 at 08:29I am experiencing a strange problem with the Clock stretching and the STM32f746. The STM is Bus Master and the slave is a MCP9600 that requires clock stretching.The data sheet of the MCP requires 60us stretching.Using...

ferrario by Associate III
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STM32 USART Additional features?

Posted on June 26, 2018 at 08:17Using STM32F0xx USART to communicate simplex in standard asynchronous mode (8 bits + parity) with many STM32F0xx slaves. Want to use additional USART features. Did understand and can use Idle and Break detection.What ...

JuM by Senior
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Problem with STEVAL- IHP007V1

Posted on June 26, 2018 at 04:05I have two problem with  STEVAL- IHP007V11. I can't  find pin of connector in schematic of this evaluation board here 2. User manual of STEVA...

Hung Le by Associate
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Writing multiple blocks to SD card fails

Posted on August 02, 2017 at 14:19Hello. I am developing application that involves writing multiple blocks (of 512 bytes) to SD card. It is a part of USB MSC application, multiblock operations are required for correct and fast functioning. A BSP_SD_...

stm32 I2C3 master: wont transfer data

Posted on June 26, 2018 at 00:02I am having difficulty transmitting on my stm32l071k8. I am using a STM32l073RZ nucleo board for benchtop lab setup is just a nucleo board connected to an oscilloscope for SCL and SDA. Currently my devi...