Tom Walsh wrote: >Ryan Niemi wrote: > > > >>>Have you looked at the Atmel AT91SAM7X? >>> >>> >>> >>> >>I took a brief look, but availability concerns me. Actually, while >>getting into an alternate CPU discussion, I came up with an >>interesting silicon cost comparison for some of my options. These >>prices below are based on single unit quantities priced via Digikey: >> >>LPC2292 $13.46 >>CS8900A $8.36 >>256Kx16 SRAM $4.41 Total: $26.23 >> >>EP9302 $16.14 >>64Mb (4Mx16) SDRAM $5.67 >>Micrel 10/100 PHY $3.78 >>4Mb (512KB) SPI flash $2.15 Total: $27.74 >> >>Hmm, $26.23 for an ARM7TDMI @ 60MHz, 256KB flash, 512KB SRAM, 10mbps >>ethernet, vs. $27.74 for an ARM920T @ 200MHz, 512KB flash, 8MB SDRAM, >>10/100 ethernet. A whole $1.51 additional silicon cost. >> >> >> >> > >Then take the EP9302 and add: > >Previous cost: $27.74 >SD Socket: $3.80 >SD 128Meg card: $8.00 >64Mb (4Mx16) SDRAM -$5.67 >32MByte (16Mx16) SDRAM $12.54 Total: $46.41 > >And you get a killer Linux powered embedded system! > >BTW, where did you find the cost of the EP9302? I cannot seem to find >anyone but Cirrus that you can get those parts from (e.g. Nu-Horizons, >etc.). > > nm, I found them on Digikey. TomW -- Tom Walsh - WN3L - Embedded Systems Consultant http://openhardware.net, http://cyberiansoftware.com "Windows? No thanks, I have work to do..." ----------------------------------------------------
Message
Re: [lpc2000] Re: LPC's w/ ENC28J60 for ethernet via SPI
2006-01-09 by Tom Walsh
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