lpcware

LPC1778 enthernet paket lost

Discussion created by lpcware Employee on Jun 15, 2016
Latest reply on Jun 15, 2016 by lpcware
Content originally posted in LPCWare by gjzxwht on Sat May 17 05:15:59 MST 2014
LPC1788 +sdram(8M)+LAN8710,lwip,ucosiii
cpuclk:100M;emclk:50M
100M-T,packet loss seriously,20%;10M-T,packet loss seriously,10%;
then,emclk update to 100MHz,packet loss very low,but sdram not stable,will die when high temperature,about 50C.
DMA speed?EMC bandwidth?
thank you!

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