m29dw323d Numonyx, m29dw323d Datasheet - Page 48

• Manufacturer Part Number: m29dw323d
• Description: 32 Mbit 4mb X8 Or 2mb X16, Dual Bank 8 24, Boot Block 3v Supply Flash Memory
• Manufacturer: Numonyx

M29DW323DT, M29DW323DB
Figure 23. In-System Equipment Chip Unprotect Flowchart
Note: Block Protection Groups are shown in
48/51
ISSUE READ/RESET
NO
COMMAND
RP = V IH
= 1000
FAIL
++n
YES
APPENDIX
ADDRESS = CURRENT GROUP ADDRESS
ADDRESS = CURRENT GROUP ADDRESS
D., Tables
A0 = V IL , A1 = V IH , A6 = V IH
A0 = V IL , A1 = V IH , A6 = V IH
A0 = V IL , A1 = V IH , A6 = V IH
A0 = V IL , A1 = V IH , A6 = V IH
PROTECT ALL GROUPS
CURRENT GROUP = 0
ANY ADDRESS WITH
ANY ADDRESS WITH
NO
READ DATA
23
WRITE 60h
WRITE 60h
WRITE 40h
Wait 10ms
RP = V ID
Wait 4µs
START
DATA
and 24.
n = 0
00h
=
YES
ISSUE READ/RESET
COMMAND
RP = V IH
GROUP
PASS
LAST
YES
CURRENT GROUP
INCREMENT
NO
AI05577