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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Bootloader and code protect

Posted on February 02, 2013 at 10:43Hello ; It was not clear to me in the documents ; we are loading the program through usart3(stm32f407)  ; so can we still have the code protect fuse? I mean we dont our code to be copied; when using Jtag it is ok...

sami by Associate II
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GPIO microcontroller STM32F047VGT6

Posted on February 03, 2013 at 10:19I use a microcontroller STM32F047VGT6 all alone without the kit board I want to use GPIO    (I want to interface the GPIO Pin )  .. Is what I connects Pin  directly without any electronic component?? #interface...

hatem by Associate II
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Using SDIO instead of SPI in STM32

Posted on January 09, 2013 at 14:14 Hi all, How can I use the SDIO to access to an uSD card with EFSL filesystem. The example I have is using EFSL with SPI as communication interface. I should have an interface.c file where I do a...

tinymanta by Associate II
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Efficient way to implement trigonometry functions?

Posted on February 02, 2013 at 19:28Hello,I'm working on the STM32F4, and in my application i need to use atan2 and exp a very large number of times.In my initial implementation i used the stlib for atan2 and exp. Unfortunately, in the current state...

Sampling multiple A/D inputs-Quick Question

Posted on February 02, 2013 at 09:18Quick background: I'm using the STM32VL which has 1 ADC peripheral with a possible 18 channels inputs that are multiplexed to the actual ADC. I believe I have the configuration set up correctly for 2 analog inputs...

rj by Associate II
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SPI 9bit Frame

Posted on January 23, 2013 at 20:08Dear Friends; I use SPI protocol @ stm32f100c4 to interface with GLCD , to interface GLCD frame must be  SPI 9bit. From Datasheet: Stm32f100C4 has two mode 8bit frame or 16 bit frame for sending data by SPI protcol...

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