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USART DMA use with H/W flow control

Posted on January 24, 2012 at 17:15Hi All, I would like to use DMA to service a UART that I am implementing (RX and TX). My project has 2 bi-directional data ports (including the UART) which have different data rates (up to 512kbps). I have to use h...

DAC output buffer current sink specs

Posted on January 27, 2012 at 13:11I can't find any info about the capability of the DAC output buffer of being a current sink. Is it possible? Which is the max sink current? EDIT: I mean the DAC integrated on the uC chip and connected to GPIO pins,...

giu by • Associate II
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capture compare problem, interrupt time capture question

Posted on January 26, 2012 at 10:28I need a delay in a timer 4 interrupt. To realize this I wrote the the follow lines:if(TIM_GetITStatus(TIM4, TIM_IT_CC1) == SET) { TIM_ClearITPendingBit(TIM4, TIM_IT_CC1); TIM_ClearFlag(TIM4, TIM_FLAG_CC3); while(T...

USB host MSC example

Posted on January 03, 2012 at 09:29Hi everybody, i work with the evalboard STM3220G with the USB example from the USB host-device lib. I try to write additional data in the create/existing file, but I'm not successful. Can anyone say me, what i must...

OTYPER Reset value in Ref Manual wrong?

Posted on January 27, 2012 at 11:54In Ref. Manual 6.4.11 Table 18, for the registers GPIOx_OTYPER a reset value of 0x4444 is specified, but I think this is an error - should be 0x0000? (as specified in 6.4.2 at the register description?).

flyer31 by • Senior
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STM32F4 SDIO, Busy state of DPSM

Posted on December 15, 2011 at 05:18After transmitting a block of data, SD Card sends the CRC for the data.After sending CRC, SD Card sometimes puts itself in the ''Busy'' mode.According to the reference manual, STM32's SDIO peripheral's data path s...

hate_pod by • Associate
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