sdram

http://www.cnblogs.com/yuphone/archive/2010/05/15/1736406.html

http://www.cnblogs.com/qiweiwang/archive/2011/03/20/1989537.html

http://www.cnblogs.com/crazybingo/archive/2010/09/05/1818562.html

 sdram的资料 比较全了

http://www.amobbs.com/forum.php?mod=viewthread&tid=3357172&highlight=sdram

讲到蛇形走向

http://www.amobbs.com/forum.php?mod=viewthread&tid=4457759&extra=&highlight=sdram&page=1

请教Altera SDR SDRAM控制器中位宽的定义（分享资料）

http://www.amobbs.com/forum.php?mod=viewthread&tid=4586284&highlight=sdram

 

相位偏移100Mhz  sdram_ext_clk  -75deghy57v641620ftp-7