m29dw641f STMicroelectronics, m29dw641f Datasheet - Page 77
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m29dw641f
Manufacturer Part Number
m29dw641f
Description
64 Mbit 4mb X16, Multiple Bank, Boot Block 3v Supply Flash Memory
Manufacturer
STMicroelectronics
Datasheet
1.M29DW641F.pdf
(80 pages)
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M29DW641F
Figure 24. In-System equipment Group Protect flowchart
1. Block Protection Groups are shown in
2. RP can be either at V
IH
or at V
ID
when using the In-System Technique to protect the Extended Block.
ADDRESS = GROUP ADDRESS
ADDRESS = GROUP ADDRESS
ADDRESS = GROUP ADDRESS
ADDRESS = GROUP ADDRESS
Appendix
A0, A2, A3, A6 = V IL, A1 = V IH
A0, A2, A3, A6 = V IL, A1 = V IH
A0, A2, A3, A6 = V IL, A1 = V IH
A0, A2, A3, A6 = V IL, A1 = V IH
ISSUE READ/RESET
DATA = 01h
COMMAND
READ DATA
Wait 100µs
WRITE 60h
WRITE 60h
WRITE 40h
RP = V ID
RP = V IH
Wait 4µs
D,
START
PASS
n = 0
Table
YES
28.
NO
ISSUE READ/RESET
COMMAND
RP = V IH
= 25
FAIL
++n
YES
High voltage Block Protection
NO
AI07758
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