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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ethernet communication

Posted on October 10, 2015 at 09:37Dear Sir/MadamI am using modbus TCP/IP protocol using ethernet card , the issue is when ever i unplug the ethernet cable manually with out power off and reinsert the same the communication between the modbus and et...

i2c combined example

Posted on October 10, 2015 at 16:53Hi,I would be very grateful if anyone could post some sample code to implement... i2c 7-bit protocol with combined  write and read, multiple data bytes to be read in a sequence.Basic std FW library compatible sampl...

estersci2 by Associate III
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Instructions SVC (ARM)

Posted on September 29, 2015 at 22:18__asm ??volatile (''SVC 0x4''); code08000D7A svc 4; debugger AssemblerAnd even in the final bin contains 4 SVC team in the junior ranks.0x4 - (0x0 ~ 0x255) - should be added to the current ''PC'' register at the ...

Unsigned char is always true ?

Posted on October 10, 2015 at 03:06Guys, What should I change for fixing : Warning : comparison of constant 49152 with expression of type ''unsigned char'' is always true ....? the line is : while(Mp3ReadRegister(0x03) != CLOCK_REG) .... unsigned ch...

Timer-Synch + IRQ-Jitter

Posted on October 09, 2015 at 11:33Hello I've a question regarding the timer synchronization on an STM32L4. I've setup TIM1 and TIM8 to run in synch triggered by TIM2. To test the code I simply toggle a pin inside the TIM1 and TIM8 update interrupts...

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Need help with USART on Nucleo STM32f411.

Posted on October 08, 2015 at 15:10I'm trying to set up communication between the USART2 on stm32f411xe nucleo and a PC using the STLink Virtual COM Port (COM3). I'm avoiding the ST HAL or Standard Peripheral Library as a beginner as far as possible...

sohail by Associate II
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Relationship between ICache and ART of STM32F7

Posted on October 07, 2015 at 03:42Hello experts, I am working with STM32F7 Discovery board and STM32CubeF7. I made a small benchmark test and had found a stange phenomenon. It is about the relationship between ICache and ART Accelerator. Regarding ...

dqi07234 by Associate II
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OV2640 camera CIF mode ??

Posted on October 09, 2015 at 22:56Hullo guys, Im using the OV2640 sensor to stream video and everything worked fine when it is in the default UXGA mode. My images are 320*240 pixels, so I wanted to move to the CIF mode for faster frame rate . The p...

FPU

Posted on October 08, 2015 at 21:05Hi.I am developing product, which should be small and fast as possible at the same time. Usually, I use parts which are in 48 pin QFPN or LQFP packages. Till now, I used F1 parts, but recently I went to F3. On F1 I...

matic by Associate III
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