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Power consumption without low power ...

Posted on October 17, 2012 at 12:35 Hello, I'm using USB in my application so I cannot use any low power mode, not even __WFI(). I'm trying to understand what drives the power consumption of theMCU when using a while(1); loop in ...

root by Associate II
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USART1 IRQ Issue

Posted on December 15, 2012 at 20:00Hello everyone, I am experiencing something strange with the use of USART1 on a STM32F103 in order to decode some stream coming from a RC Receiver. The behaviour I am getting is that once initialized, the first da...

longchair by Associate III
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  • 1 replies
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STM32 IIC EEPROM Example

Posted on December 14, 2012 at 15:45helloI'm new in programming STM32 cardsI ask for your help. I try to use the example of IIC EEPROM on a map STM32 VL-Discovery.IAR tells me errors when building. the errors are in the main.cit does not recognize t...

mhamdi by Associate
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  • 1 replies
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STM3240G-EVAL & RS-232

Posted on December 14, 2012 at 16:04Hi, I downloaded the evaluation firmware that came with the board,and tried to play with the RS-232 ,but it does not work. I configured the baud and everything correctly both on the PC and on the eval board. Can i...

STM32F103 I2C Send using DMA adds extra 'ghost' byte.

Posted on December 13, 2012 at 19:18 Hello Community, A peculiar situation with the I2C has caught me off guard, Some Background for you:- System Details:- 1) Hardware: STM32F103T8U7 communicating with an Atmel ATTiny4313 ove...

kaustubh by Associate II
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STM32F4 option byte location?

Posted on December 14, 2012 at 19:21There seems to be conflicting information on the location of the option bytes on the STM32F4. The STM32F4xx flash document says that they start at 0x1fffc000, but the F4 STDPeriph library uses the address 0x40023C...

stm32f100c8 and ublox leon g100 USART communication

Posted on October 04, 2012 at 13:20hi all,i am recently working on a project that sending AT command to gsm module from stm32f100c8  via usart and receiving response with interrupt but i am very confused about usart interfaces.i cant receive respons...

SDIO in STM32F2XX

Posted on December 11, 2012 at 01:56Can an interface SDIO in STM32F2XX read/write micro SDHC UHS-1 cards? Are there any examples, experience of this type of  operation? What was the maximum speed of writing to the card? #sdio-stm32f2xx-microsdh...

zbyszekl by Associate II
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USART1 Interrupt

Posted on December 14, 2012 at 08:30HEllo ALL, I am using stm32f2 and i have programmed USART which is interfaced to GPS. The problem i m facing is, When USARt is enabled, i always get the my RXNE interrupt set, since GPS sends data continuosly and ...

No signal on mco1

Posted on December 13, 2012 at 11:00hello, I'm using stm32f207(LQFP64) mcu in custom made hw. Compilers are gnu arm-eabi-gcc and arm-eabi-gdb for debugging. main fuctions for mcu are: - output 27mhz clock MCO1(PA8) - listen interrupts at EXTI15_10_I...

teijo by Associate II
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