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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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STM3221G-EVAL : working with rs-232

Posted on November 29, 2012 at 11:54Hi All , I am working with STM3221G-EVAL board, i loaded the STM32F2-F4_Demonstration fw ,that came with the board ,i am trying to work with RS-232 , for now using this fw. when i am trying to type on the LCD and ...

STM32F407 running temperature.

Posted on December 02, 2012 at 01:01I have made a custom pcb using the stm32f407. the pcb is very small 50mm x 28mm. I have noticed the stm32 runs quite warm though.Its cooler when in dfu mode. but when running my program its quite warm not hot like...

russdx by Associate II
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stm32f3discovery: USART2 interrupt handler looping

Posted on December 01, 2012 at 04:43Hi, I tried to set up some code for handling data received on the USART2 peripheral but for some reason it seems to read one byte and then keep re-entering the interrupt handler without setting the RXNE interrupt ...

STM32F417: SPI via DMA

Posted on November 30, 2012 at 16:02Dear STM324 Developers, I'm working on a custom board based on the STM32F417 mcu.  I want to connect my board to an other system via SPI2. This other system will act as SPI master (slave mode is not supported on t...

Vbat with diode to VDD.

Posted on November 30, 2012 at 10:07AN2586 says: Battery backup To retain the content of the Backup registers when VDD is turned off, the VBAT pin can be connected to an optional standby voltage supplied by a battery or another source. The VBAT pin ...

Build STM322xG EVAL FW with yagarto

Posted on November 12, 2012 at 11:23HI, Is where any makefile or ready project to build STM322xG_EVAL FW with yagarto or GNUARM? I have downloaded STM32F2-F4_Demonstration_Builder_V1.0.1 but it has no plain Makefile for GCC. I wonder if someone can...

dimax by Senior
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STM32 CPAL

Posted on November 29, 2012 at 18:44I've been experimenting with the CPAL I2C library and as a test I'm sending a short string of bytes to an external device. I'm the only one on the I2C bus and I'm configured as an I2C master. Does anybody know why...

Battling to configure/access STM32F205ZE DMA

Posted on November 29, 2012 at 09:45I am trying to use DMA1 Stream 1 Channel 4 in the STM32F205ZE  (IAR Embedded Workbench IDE).   Attempts to configure the DMA (using the Std Peripherals library) result in no change in the register values (all val...