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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Trriger ADC injected

Posted on April 21, 2015 at 12:32 Hi, I would like to trigger ADC1 by TIM2 update. I checked and injected group workd fine by software triggering, i have checked in debug the sampled value. TIM2 cnt register also runs, so i p...

udibit by Associate II
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First step with Nucleo F091RC

Posted on April 21, 2015 at 10:35Hello everybody, I got a Nucleo F091RC and I'm starting programming but it is pretty complex. I use Coocox and GCC compiler. I try to understand how my board works with the HAL libraries. First I would like to cha...

raphael by Associate II
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help with timers

Posted on April 15, 2015 at 09:49I just created this simple project for an STM32F429 discovery board: 1) TIM1 is configured to produce a square waves on OC2 (PA9) 2) TIM2 is configured to use the ETR pin as clock source (PA5) 3) USB periodically sen...

infor by Associate III
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I2C Addr bit not set on 401 Discover Board

Posted on April 20, 2015 at 10:03Hi All,Please see below I2C protocal:I am using STM32F401 Discover Board, the slave is on board CS43L22, the address is 0x94.I try to send 0x01 to register 0x02: Single_WriteI2C(0x02,0x01), but only send out address,...

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Where do I begin?

Posted on April 18, 2015 at 03:00Hi all,I'm coming from the PICmicro world, and thought I'd get into ARM processors, so picked up an STM32L100C-DISCO.  I want to understand the basics -- for example, how to create a simple program to blink an LED.I ...

arm_dude by Associate II
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Bitmap Converter, transparency and compression

Posted on April 21, 2015 at 00:30 Hi folks, I'm using Bitmap Converter (BmpCvtST.exe, v5.26, STemWin package) to convert images for display. Ordinarily when I save I select the ''High color [565] compressed'' output format and all is well. At...

hbarta2 by Associate III
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STM32F103 EXTI not firing?

Posted on April 20, 2015 at 15:50Written this code many times. No clue why it is not working. See any obvious errors?//CODE FOR INIT. Note that APB2 clocks are initialized for ports  GPIO_InitTypeDef GPIO_EXTI0;   GPIO_EXTI0.GPIO_Pin = GPIO_Pin_7;  ...

STMCube IAR simple GPIO

Posted on April 20, 2015 at 19:36I'm migrating from PIC32s, so bear with me please.  I'm trying to get up to speed on the STM32 using the Cube examples in EWARM.  I'll try to keep this simple (I apologize, I don't know the syntax for code tags in th...

joe2399 by Associate II
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Stuck in CAN TX Interrupt

Posted on April 20, 2015 at 20:36 I am currently have intermittent issue where I am getting stuck in ''void USB_HP_CAN_TX_IRQHandler(void)'', Everything works well from minutes to hours then I notice my CAN traffic stops, currently I TX one mess...

ebommer by Associate II
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