M29DW641F70N1 NUMONYX [Numonyx B.V], M29DW641F70N1 Datasheet - Page 78
M29DW641F70N1
Manufacturer Part Number
M29DW641F70N1
Description
64 Mbit (4Mb x16, Multiple Bank, Page, Boot Block) 3V Supply Flash Memory
Manufacturer
NUMONYX [Numonyx B.V]
Datasheet
1.M29DW641F70N1.pdf
(80 pages)
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High voltage Block Protection
Figure 25. In-System equipment Chip Unprotect flowchart
1. Block Protection Groups are shown in
78/80
NO
ISSUE READ/RESET
COMMAND
RP = V IH
= 1000
FAIL
++n
YES
Appendix D
A0, A2, A3 = V IL, A1 = V IH , A6 = V IL
A0, A2, A3 = V IL, A1 = V IH , A6 = V IL
CURRENT GROUP ADDRESS
CURRENT GROUP ADDRESS
A0, A2, A3 = V IL, A1, A6 = V IH
A0, A2, A3, A6 = V IL, A1 = V IH
,
Table 28
NO
PROTECT ALL GROUPS
ANY ADDRESS WITH
ANY ADDRESS WITH
CURRENT GROUP = 0
READ DATA
ADDRESS =
ADDRESS =
DATA = 00h
WRITE 60h
WRITE 60h
WRITE 40h
Wait 10ms
RP = V ID
Wait 4µs
START
.
n = 0
YES
ISSUE READ/RESET
COMMAND
RP = V IH
GROUP
PASS
LAST
YES
CURRENT GROUP
INCREMENT
NO
M29DW641F
AI07759c
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