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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From STM32F103 to STM32F107

Posted on December 17, 2012 at 10:51Hello! We have a problem with the usage of STM32F107 microcontroller. We used STM32F103 before. Programming was made by IAR Embedded Workbench. Now we have a working project for STM32F103, but it can not be loade...

morpeh89 by Associate II
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STM32F103 + AT45DB642 as USB card reader

Posted on December 19, 2012 at 06:36I have device with STM32F103 and spi flash AT45DB642. STM32 should store logs each hour to spi flash. We decide that that the most userfriendly way to read these logs it's mass storage device. When user connects d...

urasinov by Associate II
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STM32F4-Discovery - problem with USB OTG

Posted on December 16, 2012 at 17:56 Hi, I have a problem with usb. My board is set as a device. On PC I have an application, which was programmed in C#. I want to change the state of the diodes on Discovery with the press of appropriate key...

bkdi by Associate II
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STM32F107 ethernet interrupt problem

Posted on December 17, 2012 at 19:55I am a newbie of STM32 developer. I use STM32 F107 in one of my self-designed boards. Several weeks ago, I bought STM3210c Evaluation board, and I use the downloaded stm32f107_eth_lwIP, it works well. But when I ...

wfu by Associate
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STM32L Hard fault after waking up from EXTI

Posted on December 18, 2012 at 03:22I'm programming for an STM32L152xx and ran into the part hard faulting when it goes to sleep but wakes up from an external interrupt. Since I need the lower power sleep mode, I'm doing the necessary steps to get t...

shotaro by Associate II
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STM32F100C4, TIM1 problem

Posted on December 16, 2012 at 20:19Hello! I've faced with next challenge: my STM32F100C4 freezes right after TIM1 interruption occurs. When I used simulator of Keil (this MCU isn't supported by simulator, so I specified STM32F103C8) I found place i...

INTERRUPTION TIM2 STM32F107

Posted on December 18, 2012 at 09:17Hi, I use STM32F107 microcontroller. I want to configure an interruption each one second with TIM2, to toggle led in port C pin 6. But the led don't toggle !! any help please ? this is my code:   &sharpinclude    ...

STM32F105 USBD_FS_VCP

Posted on December 17, 2012 at 16:12hi  all, I have bought a STM32F105R8 demo board,   the board can communicate USART1 to CAN1.  now I want to try the USBD and CAN1 in FS mode, so I downloaded the “STM32_USB-Host-Device_Lib_V2.1.0â€� from http://...

evanqian by Associate II
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GPIO pull - up/down configuration

Posted on December 17, 2012 at 11:17Hi All,CNF1 and CNF0 bits at port configuration register. 11 is reserved , 10 makes it pull - up/ down.I think it connects pull up and down resistor at same time.Is it possible to select pull - up only.Thanks

akinik by Associate
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