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...

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Driver support for MultiMediaCard(MMC)

Posted on July 06, 2014 at 09:20Hello,I'm currently working on a data logger project that records raw sensor data to a flash memory. As the writing speed is the most crucial parameter in the design (> 10 MB/s) , my plan was to use an MMCplus(MultiMe...

salexku by Associate
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Check CTS level in UART with flow control

Posted on July 03, 2014 at 11:35Hi, I'm working on STM32 Discovery Board (stm32f4xx mcu) and I'm using an UART with flow control enabled; since I use the CubeMx code, I'd like to check the CTS level to know if transmit is enabled or not, because the...

DUrbano by Associate III
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STM32F4 Disco Flash IAP questions

Posted on July 04, 2014 at 02:48I program in assembly language. I need hardware calrification, not c code please. 1) The parallelsim setting for USB/St-Link power would be x32? (PSIZE=10). Ie I understand the external power option whic I would be su...

STM32f4 Standby Mode example Problem

Posted on July 05, 2014 at 10:50HiI started working with STM32f4 by STM32F4-Discovery Board.The first Document that I started using it is firmware example.But in Standby Mode example I've encountered with some problem with my ST_LINKAfter I build PW...

razi by Associate
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Problem configuring STM32F4 Discovery as SPI slave

Posted on July 04, 2014 at 11:25 Hi, I'm currently trying to make SPI communication between PIC18F2580 as master and STM32F4 Discovery as slave. The communication doesn't work, both master and slave receives 0xFF all the time. I have it ...

flukeco by Associate II
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STM32F429ZI - erasing upper half of 2MB flash

Posted on July 03, 2014 at 21:20We're writing a bootloader and found out that flash sectors 0-11 (lower bank) can be erased, but sectors 12-23 (upper bank) can't (by a program running from flash). The chip sets WRPERR bit in FLASH->SR register, whic...

rs by Associate
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PWR_EnterSTOPMode not reducing current consumption

Posted on July 04, 2014 at 12:00I am developing an application based on the STM32VL Discovery board centred around the STM32F100RBT6B microcontroller. The application interfaces with an SPI TFT LCD based on ST7735, a set of user push buttons, SPI EE...

Program is not running

Posted on July 04, 2014 at 15:36Hello , I am using  flash loader demonstrator for downloading the code to stm32f10x.When i download the code to my processor over usart1, its not running. I've tried this many times but the result is same. It crashes ...

LIS302DL returning 0xFF.

Posted on July 04, 2014 at 19:56I am using STM32F4 Discovery Kit .I have been trying to use the on board LIS302DL When i try to read the OUTx,  OUTy, OUTz, registers i get some data but when i read Status Register i get 0xFF,  Any Idea whats going o...