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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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Quadrature encoders on STM32F4

Posted on April 29, 2013 at 14:47 Hi everyone and thanks in advance for your advices. I'm using a quadrature encoder from Bourns : http://www.bourns.com/data/global/pdfs/pecpdf#search=%22PEC11%22 with an STM32F4 chip. I h...

Command to come out of sleep mode

Posted on May 26, 2015 at 13:47Hi We are using    __WFI();  command to enter into sleep mode in STM32F205, the controller will come out of sleep mode if there is any interrupt. Is there any ''command'' with which we can manually come out of sleep mo...

Host library in RTOS mode for MASS STORAGE

Posted on May 26, 2015 at 17:56Hi to allI'm trying to learn how to use writing and reading on a USB stick using the board stm32f429i-Discovery. I configured the library using STM32cubeF4 and use it as a real time operating system freeRTOS. Can someo...

Problem with ADC from STM32F207

Posted on May 25, 2015 at 20:51 Hallo, I try to read the ADC but get allways 0 als result :-( Does anybody have an Idea whats wrong? GPIO_Clk_Enable(@GPIOA_BASE); GPIO_Config(@GPIOA_BASE,_GPIO_PINMASK_All,_GPIO_CFG_MODE_ANALOG or _GPIO_...

sven by Associate II
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STM32F429 NAND FLASH & SDRAM

Posted on December 16, 2014 at 14:35We constructed a board using STM32F429. We use SDRAM for memory of LCD and NAND flash for program data. SDRAM and NAND flash share FMC bus of MCU. We have 2 problems at present: 1. When we access NAND flash, there...

ADC 1 problem with STM8S-Discovery

Posted on May 26, 2015 at 11:57Hi, I have problem with ADC1 conversions on STM8S-Discovery. I have configured the analogic inputs following: PB4 - AN4 PB5 - AN5 PB6 - AN6 unsigned char ADC_Config_INT ( void ) {     GPIO_Init(ADC_PORT,ADC_15V_PIN, GP...

u23 by Senior
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To get data from Invensense MPU9250 with I2C

Posted on May 26, 2015 at 13:25I'm trying to get data from Invensense MPU9250 with I2C on SC1 of stm32w108.These are connected each other with 10k ohm register.But it doesn't get data.I coded as below.Please tell me how to fix.void SCinit(){        ...

kano by Associate
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What is the maximum frequency of STM32F4's PWM?

Posted on May 26, 2015 at 07:11I would like to use the PWM as clock source for other device. so I want to know the maximum frequency of PWM. As faster the frequency of PWM signal increase, the more the shape of PWM signal become to triangle signal. ...

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just4u78 by Associate II
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