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Output port voltage vevel in STM32F4

Posted on May 17, 2013 at 12:33Hello!Could anybody explain how to know the actual output voltage level for STM32F4?According to the datasheet, all I/Os are TTL and CMOS compliant, but there is no information about how actual value is derived. E.g., ...

foruvarov by • Associate II
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problem STM32-P103 flash loader demonstrator

Posted on March 20, 2013 at 19:17hi now I am trying to achieve a basic equipment card STM31-P103 Olimex of (STM32F103RB microcontroller), I used the Flash loader demonstrator program for the card (boot0=1 boot1 = 0) and i chose COM3, baude=115200, p...

2 PWMs to control full bridge converter

Posted on May 07, 2013 at 13:27Is there an easy way to get the TIM1 in a STM32F303 to ouput two complemetary signals (TIM1_CH1 and TIM1_CH1N) with a 20% duty cycle for both signals? If I output 20% duty for TIM1_CH1, the complementary, TIM1_CH1N, ...

david by • Associate II
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STM32F207 USB Mass Storage host device bridge

Posted on May 20, 2013 at 05:22Hi All, I am a starter on STM32F207 MCU. My project is developing a system as a usb host device bridge.  System architecture is:         PC Host <----> F207 <----> usb flash drive F207 is similar as a ''usb bridge''. ...

analcye by • Associate
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SPIRIT1 DK_1.0.7 in C++ problem

Posted on May 19, 2013 at 19:45 Hi, I have problem compiling in C++ IAR this application (Spirit1 sdk evolution board) In C I have not problem compiled is ok! but in C++ I have some problem with this (450) error: Error[Pe349]:...

Parallel flash programming for STM32 ?

Posted on May 19, 2013 at 14:21Hello,         I was just going through some old datasheets for my AT89S51 microcontrollers based on the 8051. I came across parallel flash programming i.e. directly programming the flash through hardware, without goin...

pandit by • Associate II
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Too Slow TFTP transfer speed

Posted on May 17, 2013 at 07:13Hi All I am using TFTP example in my project using STM32F2x7_ETH_LwIP_V1.1.0  library but my problem is about the transfer speed !! my results explain that a 255KB file transfer from Pc to ARM take about 3 minutes to c...

Program received signal SIGTRAP, Trace/breakpoint trap.

Posted on May 18, 2013 at 15:10Hello,I'm currently working on the STM32F100C8, but i'm having problems when trying to program it.When launching the debugger i get the following error:''Program received signal SIGTRAP, Trace/breakpoint trap.0x0800044...

PSRAM and LCD conflict ?

Posted on May 02, 2013 at 16:22Hi , I am getting a little problem with my LCD. It run well on my old board with fsmc. It was connected for FSMC_Bank1_NORSRAM1 fsmc_a16 was the RS pin and declaration was : #define LCD_REG              (*((volatile un...

warcatz by • Associate II
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