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M29DW324DB90N6E 参数 Datasheet PDF下载

M29DW324DB90N6E图片预览
型号: M29DW324DB90N6E
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 ,双行16:16 ,引导块) 3V供应闪存 [32 Mbit (4Mb x8 or 2Mb x16, Dual Bank 16:16, 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: 50 页 / 1295 K
品牌: NUMONYX [ NUMONYX B.V ]
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M29DW324DT, M29DW324DB
Figure 23. In-System Equipment Chip Unprotect Flowchart
START
PROTECT ALL GROUPS
Set-up
n=0
CURRENT GROUP = 0
RP = VID
WRITE 60h
ANY ADDRESS WITH
A0 = VIL, A1 = VIH, A6 = VIH
Unprotect
WRITE 60h
ANY ADDRESS WITH
A0 = VIL, A1 = VIH, A6 = VIH
Wait 10ms
WRITE 40h
ADDRESS = CURRENT GROUP ADDRESS
A0 = VIL, A1 = VIH, A6 = VIH
Verify
Wait 4µs
READ DATA
ADDRESS = CURRENT GROUP ADDRESS
A0 = VIL, A1 = VIH, A6 = VIH
INCREMENT
CURRENT GROUP
NO
DATA
=
00h
YES
NO
++n
= 1000
YES
RP = VIH
LAST
GROUP
YES
RP = VIH
NO
End
ISSUE READ/RESET
COMMAND
ISSUE READ/RESET
COMMAND
FAIL
PASS
AI05577
Note: Block Protection Groups are shown in
Tables
and
47/50