Haha I purchased the circuit cellar article I almost fill guilty using it.... but thats ok. Thanks for the tip now my task is just porting this to the lpc2106. Josiah --- In lpc2000@yahoogroups.com, "the ARM Patch" <thearmpatch@c...> wrote: > Do a goggle on "WiFi-SniFi". It was an interesting project the appeared > in the Circuit Cellar Ink August 2003 issue. > > -Bill Knight > theARMPatch > > > > > On Fri, 30 Apr 2004 07:08:26 -0000, cpexed wrote: > > I want to attempt to interface a LPC2106 to a PCMCIA wireless network > card (PRISM based chipset, using linux drivers as refrence). > > As far as hardware goes what options would be best. > I have several PCF8575 chips, these are 16 bit IO expanders for the > I2C bus. Using four of these i can have 64 IO bits accessible via I2C, > problem is they are surface mount and will be a pain in the butt to > mount on a board (I am a student and have limited soldering equipment > and expereince and buget for that matter). Or I can use one or two of > these or 8 (maybe even 16 but i dont know if i got that to spare) bits > straight from the LPC2106 and several latches to build up enough bits > to control the card. But that seems messy to me. > > My other option i am considering is a CPLD or an FPGA which will drive > the pcmcia card, my main concern with this is for my project I already > have maxed out my budget and dont want to fork over for another > development board. And since I am have never worked with programmable > logic devices I am scared just to buy a chip and try to mount it on a > board (see earlier concerns about my soldering skills) > > I am also on a very tight development schedule I need a working > prototype in 5 weeks. > > I also do not have the specs for the pcmcia bus and they want lots of > money for them. can anyone give me any basic timing information like > how long signals need to be available and such. I will try to track > down some datasheets to get this info. > > Is it possible to operate a prism based card in 8bit mode? will I need > all the address lines? > > At this point i am not concerned about sending data over a wireless > network, just want to be able to view availble networks and statistics. > > zworld has a rabbit uC controlling a wireless card and doesnt seem to > use any special hardware but at a cost of $300, i want to do this for > much cheaper. > > Thanks for any help advice warnings etc > > Josiah Vivona > > > > > > > > Yahoo! Groups Links
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Re: Interface LPC2106 to PCMCIA card
2004-04-30 by cpexed
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