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EEPROM writing operation optimization ?

Posted on February 12, 2016 at 15:32Hi, I am using STM32L051, I need to write a big amount of data (200 bytes) in the memory . Today this operation takes about 1,4s . But it is too slow . In the RM0377(page 71), there should be a means to write a...

tingting by • Associate II
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NUCLEO-F401RE Motor Controller

Posted on February 11, 2016 at 19:37I'm working on a little demo board to evaluate responses of different mosfets and one of the easiest ways to do this is to construct a motor controller. Can the NUCLEO-F401RE be used like the arduino uno in the li...

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         ...

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