About external memory interface of DDR2
摘要:
1. Cyclone IV data pins for external memory interfaces are called D for write data, Q for read data, or DQ for shared read and write data pins. The read-data strobes or read clocks are called DQS pins.2. Cyclone IV devices do not support differential strobe pins, which is an optional feature in the 阅读全文
posted @ 2010-11-14 12:39 SeanLu 阅读(750) 评论(0) 推荐(1) 编辑