m29w400b-100za6tr STMicroelectronics, m29w400b-100za6tr Datasheet - Page 70
m29w400b-100za6tr
Manufacturer Part Number
m29w400b-100za6tr
Description
64 Mbit 8mb X8 Or 4mb X16, Multiple Bank, Boot Block 3v Supply Flash Memory
Manufacturer
STMicroelectronics
Datasheet
1.M29W400B-100ZA6TR.pdf
(74 pages)
- Current page: 70 of 74
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Block protection
Figure 21. Programmer Equipment Chip Unprotect flowchart
1. Block Protection Groups are shown in
70/74
NO
E, G = V IH
A9 = V IH
= 1000
FAIL
++n
YES
Appendix
NO
ADDRESS = CURRENT
D,
A6, A12, A15 = V IH (1)
CURRENT GROUP = 0
GROUP ADDRESS
Table
A0, A2, A3 = V IL
E, G, A9 = V ID
PROTECT ALL
A1, A6 = V IH
DATA = 00h
Read DATA
Wait 60ns
Wait 4µs
Wait 10ms
GROUPS
E, G = V IH
START
Wait 4µs
W = V IH
E = V IL
W = V IL
n = 0
24.
G = V IL
YES
E, G = V IH
A9 = V IH
GROUP
PASS
LAST
CURRENT GROUP
YES
INCREMENT
NO
M29DW640F
AI07757
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