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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Reset input capture prescaler?

Posted on September 09, 2013 at 01:32Hi all,Is it possible to clear the input capture prescaler on an STM151 input capture channel?Thanks,Steve Krenek #input-capture-prescaler

STM32VLDiscovery EXTI

Posted on September 08, 2013 at 06:54 My question is probably simple. Can I configure external interrupts triggered by PA10, PA11, PA12 and PA13? Studing the EXTI example I understood something like this: PA0 is connected to EXTI_L...

hprado by Associate II
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ADC offset error

Posted on September 06, 2013 at 13:49I am using 2 ADC inputs on an STM32F103.  Vref is 2.500V, from a voltage reference. One input is multiplexed via relays from a variety of external analogue signals and works well.  The other is used to monitor th...

STM32F405R won't blink.

Posted on September 07, 2013 at 18:15 Update: It blinks! It wasn't booting at all. I had made a mistake with the boot configuration. It was booting from SRAM when I thought it would boot from flash. Now that I've patched the board to be able to boot...

USB FS core and HS core simultaineously

Posted on September 06, 2013 at 21:23Since the STM32F407 has 2 USB ports, OTG_FS and OTG_HS, can both ports run at the same time? I want OTG_FS to operate as a host and OTG_HS to operate as a device at the same time.All of the sample code from ST op...

tager by Associate
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bootloader and atollic

Posted on September 05, 2013 at 17:11Hello,I work on the bootloader IAP_ethernet from ST.I use the TFTP transfer.When I use the image ''Ethernet_IAP_STM3240 \ binary \ STM324xG_EVAL_SysTick.bin'' provided in the example AN3376, it works correctly.Wh...

pcu by Associate II
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ETH_MACFFR.PCF field

Posted on May 19, 2013 at 10:04Quote from Reference ManualBits 7:6 PCF: Pass control framesThese bits control the forwarding of all control frames (including unicast and multicastPAUSE frames). Note that the processing of PAUSE control frames depend...

dimax by Senior
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STOP Mode on STM32L152

Posted on September 07, 2013 at 11:46Hello, I am using the STM32L152 Discovery board. My program is structured as main where needed initialization and configurations are performed then a while loop is entered with a big switch statement that takes d...

Debug - Print GPIOA->BSSR register

Posted on September 07, 2013 at 00:56Hi,How can I print the GPIOA->BSSR register using gdb? I tried to p using the register address but with no success: (gdb) n 67              GPIOC->BSRR = GPIO_Pin_9; (gdb) p/x *(0x40010800 + 0x10) $6 = 0x0 ...

ee06091 by Associate III
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How can I redefine it ?

Posted on September 06, 2013 at 14:44Guys, I saw these codes, #ifdef USE_STM3210B_EVAL   #define USB_DISCONNECT                    GPIOD     #define USB_DISCONNECT_PIN                GPIO_Pin_9   #define RCC_APB2Periph_GPIO_DISCONNECT    RCC_APB2Per...