indiyang 发表于 2013-4-6 10:51 基础点都讲到了,上拉和不上拉取决于带多少个DDR chip.
Undo
Redo
Table
Removeformat
Autotypeset Left Center Right
FloatLeft FloatRight Orderedlist Unorderedlist
点击图片添加到帖子内容中
Archiver|手机版|小黑屋|52RD我爱研发网 ( 沪ICP备2022007804号-2 )
GMT+8, 2024-5-9 04:34 , Processed in 0.039009 second(s), 16 queries , Gzip On.
Powered by Discuz! X3.5
© 2001-2023 Discuz! Team.