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Two PWM outputs, same period & polarity, 180 out of phase

Posted on August 06, 2011 at 00:00I'm using the STM32F103RCT6.  I need two PWM outputs, where the period and polarity of each is the same, but one output is 180� out of phase from the other.  A duty cycle change must affect both concurrently.  The c...

0690X00000602PHQAY.bmp
pete23 by Associate II
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[STM32F2xx] Usage of SYSCFG_MEMRMP?

Posted on August 12, 2011 at 12:18Hello,I'm trying to figure out the production process of my product and I cannot understand how the SYSCFG_MEMRMP bits work.Is it possible (and how) to put the boot pins physically (via pu/pd res) to boot the builti...

root by Associate II
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Measurement ADC1 Internal reference

Posted on August 12, 2011 at 12:19Hello everybody.  I would like to ask about measurement of Vrefint using ADC1 in STM32F106 64 pin. After conversion I get 0x18E. How to convert this value in voltage? #adc1-stm32

dmitrij by Associate
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USART and DMA

Posted on August 02, 2011 at 15:52I use DMA to write a string to USART2. After power up I trigger transmittion by pressing down a switch and detect ( oscilloscope ) that the usart transmitted two bytes less than expected - after that every time I t...

greg_t by Associate II
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Problems writing to SD card in SPI mode

Posted on August 11, 2011 at 16:58I'm trying to comunicate with SD card with  STM32F100RB controller via SPI.I am able to erase blocks on card, and to read them. The problem is about writing blocks to card. I am able to write something to card, and ...

Maximum SRAM usage on STM3220G-EVAL

Posted on August 10, 2011 at 22:55How much is there, really?  And how much is really available? The specs all say 16 mbit, but the part and the schematic show 32 mbit, or 4 MBytes.  Looking into the code examples include with IAR EWARM, it seems on...

rgrimes by Associate II
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