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零件编号
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M29F002 查看數據表(PDF) - STMicroelectronics
零件编号
产品描述 (功能)
生产厂家
M29F002
2 Mbit (256Kb x8, Boot Block) Single Supply Flash Memory
STMicroelectronics
M29F002 Datasheet PDF : 29 Pages
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M29F002T, M29F002NT, M29F002B
Figure 14. Block Protection Flowchart
Set-up
Protect
Verify
START
BLOCK ADDRESS
on A13-A17
W = VIH
n=0
G, A9 = VID,
E = VIL
Wait 4
µ
s
W = VIL
Wait 100
µ
s
W = VIH
E, G = VIH
VERIFY BLOCK PROTECTION
A0, A6 = VIL; A1 = VIH; A9 = VID
A13-A17 IDENTIFY BLOCK
E = VIL
Wait 4
µ
s
G = VIL
Wait 60ns
VERIFY BLOCK
PROTECT STATUS
DATA
NO
=
01h
YES
A9 = VIH
PASS
++n NO
= 25
YES
A9 = VIH
FAIL
AI02088B
23/29
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