STM32 MCUs Products

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STM32F1 and STM32F4 external oscillator circuit shorted

Posted on February 11, 2016 at 20:14Hello,I am facing quite strange issue when some of my boards are suffering very rarely from burned path in the MCU for external oscillator input.It happen with STM32F1 and also STM32F4 in the way, that I can measu...

zexx86 by Associate II
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STM32 no complementary PWM for channel 4

Posted on February 12, 2016 at 13:52Hello there, I have noticed a while a go, that STM32 feature nice timers 1 and 8, which can be used for effective motor controll thanks to complementary outputs and deadtime mechanism. However, for some reason non...

non-inverted UART output

Posted on February 27, 2013 at 09:28Hi I am trying to command a Pololu Maestro device from my STM32 device. The Pololu requires a non-inverted TTL signal for commands. I can send out the command through an attached UART board to a hyperterminal sess...

juerg by Associate II
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Can't get anything onto TX line with USART

Posted on February 12, 2016 at 10:18 Hi, I'm using the STM32L053R8 on a Nucelo (L053R8) board and I can't seem to get anything on the TX line. It doesn't even get pulled high as you'd expect from the USART module before any transmission. ...

george by Associate
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STM3240G-EVAL user manual and ethernet

Posted on February 05, 2016 at 15:44Hello,I recently received a STM3240G-EVAL. It seems to be hardware rev C, with firmware rev 1.2.1 dated 2015.I downloaded the user manual, but I only found for rev A & B, dated 2012. Any updated user manual? Is it...

CAN/USB board

Posted on February 10, 2016 at 17:42Hi there, I am looking for a board that is able to run as USB device and has CAN transceivers. OLIMEXIMO with STM32F103 is exclude because of F103 that cannot run USB and CAN simultaneously (they share some intern...

Transmitting variable to UART ?

Posted on February 12, 2016 at 06:02Guys, I want to transmit ''res'' into UART buffer :FRESULT f_open (      FIL* fp,            /* Pointer to the blank file object */      const TCHAR* path,    /* Pointer to the file name */      BYTE mode         ...

Cortex M0 TIMER 17 Assembly

Posted on February 11, 2016 at 21:54Anyone who can shed some light on clearing the Status Register flags in Timer 17 by software.I have enable TIM17 and it has begun its pre-loaded count. The SR flags CC1IF & UIF flags get set when enabled. I need t...

STM32F103RC I2C Nightmare - Help!

Posted on February 11, 2016 at 21:40I have been trying for way too long to get this peripheral to behave the way I want it to.  I'm trying to implement a driver that makes use of interrupts and DMA so as not to block.  While much about this device i...

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clark2 by Associate II
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Compiler optimization options

Posted on February 10, 2016 at 17:21I am using Embitz as IDE and a NucleoL152 as development platform.I tried this thing. An array of integers of 1024 elements (from 0 to 1023) was copied to two different arrays, one using CPU memory transfer and th...