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create a frequency, use CC1 as overflow

Posted on February 16, 2012 at 16:18Hello, I want to create flanks with an Timer4 interrupt. I works if i use the interrupts from  external flanks. Now I want to create the flanks with an internal frequency. Its a little  complicated to describe all...

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Timer change output compare mode to PWM

Posted on February 15, 2012 at 16:19Hello, I want to use a a advanced control timer (TIM8) of my STM32F103ZG (on STM3210E-EVAL) for motor control. I have problems generating the PWM signal at the right time. I initialize the timer the same way as in...

Clock for ULPI PHY?

Posted on February 16, 2012 at 22:17Greetings,We're having a hard time telling whether or not the STM32F207 will drive the clock for the PHY.  There is a sentence in the datasheet that says, vaguely   External HS or HS OTG operation supporting ULPI ...

eleventen by Associate III
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STM32 USB CDC

Posted on February 15, 2012 at 18:56Hello. Sorry my english language -- i am russian.I am develop design with use microcontroller STM32F107.I solve use USB connection, as USB CDC.Find and download  example of this implementation.I learn some and i h...

Output pin cannot be changed Timer10 PWM.

Posted on February 15, 2012 at 13:50 Hi I have trying to use TIM10_PWMOutput examples from STM32F2xx Standard Peripherals Firmware Library. It works very well but if I try to using the other output pin than GPIO_Pin_6 the output is quit. The...

pentti by Associate II
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stm32(usb device) to pc

Posted on February 15, 2012 at 15:08Hi, I'm a newbie with the stm32(I used  st 8 bit mcus until now) I'm interested on develop a simple fw to send data via the embedded stm32 hw usb. On the pc side(client) I want to realize a simple software that sh...

About I2C_DutyCycle and I2C_OwnAddress1

Posted on January 14, 2012 at 07:29I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2; I2C_InitStructure.I2C_OwnAddress1 = 0x33; /** @defgroup I2C_duty_cycle_in_fast_mode   * @{   */ #define I2C_DutyCycle_16_9              ((uint16_t)0x4000) /*!< I2...

viprobin by Associate
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SDIO problem RXOVERRUN

Posted on February 14, 2012 at 22:20Hi All, I have a problem with my MMC card. I try to read the EXT_CSD (512 bytes) with no success. Someone can help me please ? Here below my function. MMC_Error MMC_Get_Ext_CSD ( ) {   MMC_Error errorstatus = MMC_...

elharrar by Associate II
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FSMC interfacing SJA1000, SRAM, Compact Flash

Posted on February 14, 2012 at 10:05Hello, I would like to use the STM32F207 in order to interface up to 8 can channels by means of the SJA1000 can controller IC. In addition there is need for Compact Flash interface, plenty of external ram and flas...