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M29W320EB70N6E 参数 Datasheet PDF下载

M29W320EB70N6E图片预览
型号: M29W320EB70N6E
PDF下载: 下载PDF文件 查看货源
内容描述: 32兆位(4MB X8或X16的2Mb ,引导块) 3V供应闪存 [32 Mbit (4Mb x8 or 2Mb x16, Boot Block) 3V Supply Flash Memory]
分类和应用: 闪存存储内存集成电路光电二极管
文件页数/大小: 46 页 / 887 K
品牌: STMICROELECTRONICS [ ST ]
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M29W320ET, M29W320EB  
Figure 23. In-System Equipment Chip Unprotect Flowchart  
START  
PROTECT ALL GROUPS  
n = 0  
CURRENT GROUP = 0  
RP = V  
ID  
WRITE 60h  
ANY ADDRESS WITH  
A0 = V , A1 = V , A6 = V  
IL  
IH  
IH  
IH  
WRITE 60h  
ANY ADDRESS WITH  
A0 = V , A1 = V , A6 = V  
IL  
IH  
Wait 10ms  
WRITE 40h  
ADDRESS = CURRENT GROUP ADDRESS  
A0 = V , A1 = V , A6 = V  
IL  
IH  
IH  
Wait 4µs  
INCREMENT  
CURRENT GROUP  
READ DATA  
ADDRESS = CURRENT GROUP ADDRESS  
A0 = V , A1 = V , A6 = V  
IL  
IH  
IH  
DATA  
NO  
YES  
=
00h  
++n  
= 1000  
NO  
NO  
LAST  
GROUP  
YES  
RP = V  
YES  
RP = V  
IH  
IH  
ISSUE READ/RESET  
COMMAND  
ISSUE READ/RESET  
COMMAND  
PASS  
FAIL  
AI05577  
Note: Block Protection Groups are shown in APPENDIX A., Table 20. and Table 21.  
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