m29f200t STMicroelectronics, m29f200t Datasheet - Page 27
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m29f200t
Manufacturer Part Number
m29f200t
Description
2 Mbit 256kb X8 Or 128kb X16, Boot Block Single Supply Flash Memory
Manufacturer
STMicroelectronics
Datasheet
1.M29F200T.pdf
(33 pages)
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Figure 14. Block Protection Flowchart
Set-up
Protect
Verify
A0, A6 = V IL ; A1 = V IH ; A9 = V ID
VERIFY BLOCK PROTECTION
A12-A16 IDENTIFY BLOCK
PROTECT STATUS
BLOCK ADDRESS
VERIFY BLOCK
G, A9 = V ID ,
on A12-A16
Wait 100 s
E, G = V IH
Wait 60ns
A9 = V IH
W = V IH
Wait 4 s
W = V IH
Wait 4 s
W = V IL
G = V IL
START
E = V IL
E = V IL
DATA
PASS
n = 0
01h
=
YES
NO
A9 = V IH
FAIL
= 25
++n
YES
AI01995B
NO
M29F200T, M29F200B
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