S3C2410A 中文数据手册(第五章) 杭州立宇泰电子有限公司编著(Version 1.0)
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第五章 存储器控制器
5.1 概述................................................................................................................................................2
5.2 功能描述........................................................................................................................................3
5.2.1Bank0
总线宽度
.......................................................................................................................3
5.2.1nWAIT
引脚的作用
.................................................................................................................5
5.2.2 nXBREQ/nXBACK
引脚操作
................................................................................................5
5.3 存储器接口举例............................................................................................................................6
5.4 寄存器..........................................................................................................................................11
5.4.1
总线带宽和等待控制寄存器(
BWSCON
)
.......................................................................11
5.4.2
总线控制寄存器(
BANKCONN:nGCS0-nGCS5
)
............................................................13
5.4.3BANK
控制寄存器(
BANKCONn:nGCS6-nGCS7
)
...........................................................14
5.4.4
刷新控制寄存器
...................................................................................................................15
5.4.5BANKSIZE
寄存器
................................................................................................................16
5.4.6SDRAM
模式寄存器集寄存器(
MRSR
)
............................................................................17