m29dw256g Numonyx, m29dw256g Datasheet - Page 18

• Manufacturer Part Number: m29dw256g
• Description: 256-mbit X16, Multiple Bank, Page, Dual Boot 3 V Supply Flash Memory
• Manufacturer: Numonyx

Table 6.
1. X = V
Table 7.
1. X = V
18/84
Manufacturer
code
Device code
(cycle 1)
Device code
(cycle 2)
Device code
(cycle 3)
Verify
extended
memory
block
indicator
bit
Verify
block
protection
status
Read cycle
Operation
(1)
IL
IL
or V
or V
V
(1)
E
IL
IH
IH
Read electronic signature - auto select mode - programmer method
Block protection
.
. BAd any address in the block, BKA bank address.
V
V
G
E
IL
IL
V
V
W
G
IH
IL
RP
V
V
IH
W
IH
V
WP
V
PP
A23-A10
IH
/
X
A23-
BKA
A12
BAd
A9-A8
A11-
A10
X
X
A9
X
Address inputs
A7-A5
Address inputs
A8
V
X
IL
V
A7 A6
IL
A4
X
V
IL
V
V
V
V
A3
IH
IH
A5-
IL
IL
A4
V
IL
V
V
A2
V
V
A3-
A2
V
IL
IL
IH
IH
IL
V
V
A1
V
V
V
A1 A0
IH
IH
IL
IL
IH
V
V
V
V
A0
V
V
IH
IL
IH
IH
IL
IL
protection: 00=WP protects 4
outermost blocks, 11=No WP
DQ4, DQ3-Hardware write
DQ6: 1=customer locked,
Data inputs/outputs
DQ7: 1=factory locked
Data inputs/outputs
0=customer lockable
0000h (unprotected)
DQ5: 1=reserved,
0001h (protected)
DQ15-DQ8=0
DQ2-DQ0=0
DQ15-DQ0
DQ15-DQ0
0=standard
protection
227Eh
223Ch
0020h
2202h