数据 薄板 e0149n10
8
µ
µµ
µ
pd4564441, 4564841, 4564163
内容
1. 输入 / 输出 管脚 函数 ...........................................................................................................10
2. Commands ...................................................................................................................................... 11
3. simplified 状态 图解 ...............................................................................................................14
4. 真实 表格 ...................................................................................................................................... 15
4.1 command 真实 表格............................................................................................................................15
4.2 dqm 真实 表格 .....................................................................................................................................15
4.3 cke 真实 表格......................................................................................................................................15
4.4 operative command 表格 ....................................................................................................................16
4.5 command 真实 表格 为 cke .............................................................................................................19
5. Initialization .....................................................................................................................................20
6. 程序编制 这 模式 寄存器 .................................................................................................. 21
7. 模式 寄存器.................................................................................................................................22
7.1 burst 长度 和 sequence .................................................................................................................23
8. 地址 位 的 bank-选择 和 precharge ................................................................................24
9. Precharge ........................................................................................................................................25
10. 自动 precharge ...............................................................................................................................26
10.1 读 和 自动 precharge ..................................................................................................................26
10.2 写 和 自动 precharge .................................................................................................................27
11. 读 / 写 command 间隔 .................................................................................................... 28
11.1 读 至 读 command 间隔 .......................................................................................................28
11.2 写 至 写 command 间隔 .......................................................................................................28
11.3 写 至 读 command 间隔.......................................................................................................29
11.4 读 至 写 command 间隔.......................................................................................................30
12. burst 末端...........................................................................................................................31
12.1 burst 停止 command .........................................................................................................................31
12.2 precharge 末端 .......................................................................................................................32
12.2.1 precharge 末端 在 读 循环................................................................................... 32
12.2.2 precharge 末端 在 写 循环 ................................................................................. 33
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