M29W320EB NUMONYX [Numonyx B.V], M29W320EB Datasheet - Page 61

• Manufacturer Part Number: M29W320EB
• Description: 32 Mbit (4Mbx8 or 2Mbx16, Uniform Parameter Blocks, Boot Block) 3V supply Flash memory
• Manufacturer: NUMONYX [Numonyx B.V]

M29W320ET, M29W320EB
Figure 22. In-system Equipment Chip Unprotect flowchart
1. Block Protection groups are shown in
ISSUE READ/RESET
NO
COMMAND
RP = V IH
= 1000
FAIL
++n
YES
Appendix A: Block
ADDRESS = CURRENT GROUP ADDRESS
ADDRESS = CURRENT GROUP ADDRESS
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
Addresses,
WRITE 60h
WRITE 60h
WRITE 40h
Wait 10ms
RP = V ID
Wait 4µs
START
DATA
n = 0
00h
=
Table 20
YES
and
ISSUE READ/RESET
Table
COMMAND
RP = V IH
GROUP
21.
PASS
LAST
YES
CURRENT GROUP
INCREMENT
NO
Block Protection
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