初步的
iii
28f128j3a, 28f640j3a, 28f320j3a
内容
1.0 产品 overview
.......................................................................................................1
2.0 principles 的 运作
............................................................................................6
2.1 数据 保护......................................................................................................6
3.0 总线 行动
...........................................................................................................7
3.1 读......................................................................................................................8
3.2 输出 使不能运转.......................................................................................................8
3.3 备用物品 .................................................................................................................8
3.4 重置/电源-向下 ...............................................................................................8
3.5 读 query ...........................................................................................................9
3.6 读 identifier 代号............................................................................................9
3.7 写 ......................................................................................................................9
4.0 command 定义
...............................................................................................9
4.1 读 排列 command.........................................................................................13
4.2 读 query 模式 command .............................................................................13
4.2.1 query 结构 输出 ..........................................................................13
4.2.2 query 结构 overview ......................................................................14
4.2.3 块 状态 寄存器 .............................................................................15
4.2.4 cfi query identification string ...............................................................15
4.2.5 系统 接口 信息 .................................................................16
4.2.6 设备 geometry 定义....................................................................17
4.2.7 primary-vendor 明确的 扩展 query 表格....................................18
4.3 读 identifier 代号 command ........................................................................19
4.4 读 状态 寄存器 command.........................................................................20
4.5 clear 状态 寄存器 command.........................................................................22
4.6 块 擦掉 command........................................................................................22
4.7 块 擦掉 suspend command ........................................................................22
4.8 写 至 缓存区 command....................................................................................23
4.9 字节/文字 程序 commands .........................................................................24
4.10 程序 suspend command..............................................................................24
4.11 设置 读 配置 command .....................................................................24
4.11.1 读 配置 ................................................................................25
4.12 配置 command .....................................................................................25
4.13 设置 块 锁-位 commands............................................................................26
4.14 clear 块 锁-位 command.........................................................................27
4.15 保护 寄存器 程序 command .............................................................27
4.15.1 读 这 保护 寄存器 ............................................................27
4.15.2 程序编制 这 保护 寄存器 ....................................................27
4.15.3 locking 这 保护 寄存器 .............................................................28
5.0 设计 仔细考虑
..........................................................................................38
5.1 三-线条 输出 控制...................................................................................38
5.2 sts 和 块 擦掉, 程序, 和 锁-位 配置 polling ..................38
5.3 电源 供应 解耦 ...................................................................................38
5.4 输入 信号 transitions - 减少 overshoots 和 undershoots 当 使用