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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SPI2 won't work

Posted on May 03, 2012 at 12:08 Hi, I've been trying to solve this problem for quite a while now. I 've get throuth various forum or example projet but nothing do the trick . My stm32f107 is connected by spi with another microchip (b...

STM32F207 Usart TX-RX with Parity_even

Posted on May 01, 2012 at 15:20Dear all, I'm in trouble with usart to communicate with a peripheral that use parity even. I'm working with STM32F207 and I have an RS485 transceiver I have configured the usart as below: void USART3_Config (void) {   ...

momede by Associate II
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STM32F3210E-Eval not responding via JTAG

Posted on May 02, 2012 at 16:31Hi,we are using three STM32F3210E-Eval for about 1 year now. Recently 2 of these boards stopped responding via JTAG. The JTAG interface used is a Segger J-Link Edu. Different J-Links on different PCs have not made a di...

Usart Polling

Posted on April 13, 2012 at 13:28Hi, why i have to enable USART1->CR1 |= USART_CR1_RXNEIE; for polling In Example of ST Lib i dont see such thing. I thought for polling i dont need this?

STM32F207 Usart DMA RX Interrupt

Posted on April 26, 2012 at 21:20dear all, I'm working with the microcontroller STM32F207, below there is my function to configure the DMA in order to acquire 3 characters from USART2 and have the interrupt when those 3 characters arrived. Unfortuna...

momede by Associate II
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Startup Clock HSI

Posted on May 01, 2012 at 17:29I'm simply looking to have the STM32F4 startup using the HSI clock (at the default 16MHz).  How best can this be accomplished (if it's not already default).  What clock does the STM32F4 natively startup using?  I was t...

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