Hi all ... I have an application where I would like to use a GPRS modem coupled directly to the UART1's modem interface etc... I have never worked with such a full modem interface before (RTS,CTS,DTR etc...) so I was curious ... Do one have to control the modem signals in software or does the modem control this in hardware (for example .. if the modem asks the UART to stop transmitting i guess the uart stops until it can see that the signal isnt present any more and then resumes automatically as long as the FIFO is full ?) Another question is .... I have a commercial FAT12/16/32 file system I would like to implent into the 2106 it occupies about 40KB of code in an AvR 8bit processor do you have any idea what that would relate to (in KB) in the LPC ? (disregarding the compilers optimization) what I mean is ... is 40KB code in an AvR the same as 40KB code in an LPC ARM ? Another this ... Has anyone tried to interface a MMC/SD card to the LPC ... i know its possible ofcause but what im thinking of is if its possible to use the /SS pin to drive the ChipSelect (CS) on the SD card (can the /SS pin be configured as an output and controlled in software?) regards lasse madsen
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UART, Flash and other Questions ?
2004-04-16 by Lasse Madsen
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