m29dw128f-70za6t Numonyx, m29dw128f-70za6t Datasheet - Page 20

• Manufacturer Part Number: m29dw128f-70za6t
• Description: 128 Mbit 16mb X8 Or 8mb X16, Multiple Bank, Page, Boot Block 3v Supply Flash Memory
• Manufacturer: Numonyx

Bus operations
3.6.5
The RP pin can be used to temporarily unprotect all the blocks previously protected using the In-System
or the Programmer protection technique (High Voltage techniques). Refer to
Temporary Unprotect (RP)
Table 3.
1. X = V
Table 4.
1. X = V
Table 5.
1. X = V
2. This indicates the protection status of the second section of the Extended Block; the first section of the Extended Block
3. The RP pin unprotects all the blocks that have been previously protected using a High Voltage protection Technique.
20/94
Bus Read
Bus Write
Output Disable
Standby
Manufacturer Code
Device Code (Cycle 1)
Device Code (Cycle 2)
Device Code (Cycle 3)
Verify Extended
Block
Protection
Indicator (bits
DQ6, DQ7)
Verify Block
Protection
Status
Temporary
Block
Unprotect
Operation
being always Factory Locked.
Operation
Read Cycle
IL
IL
IL
(3)
or V
or V
or V
IH
IH
IH
Temporary Unprotect of high voltage Protected Blocks
Bus operations, 8-bit mode
Read Electronic Signature, 8-bit mode
Block Protection, 8-bit mode
.
.
. BKA Bank Address, BA any Address in the Block.
V
E
X
IL
V
V
V
V
G
X
E
X
IH
IL
IL
IL
V
E
IL
V
W
X
V
V
V
IH
G
X
V
IH
IH
IL
G
IL
.
V
V
RP
IH
ID
V
V
V
V
W
X
W
IH
IH
IL
IH
V
WP
V
PP
X
IH
A22-A10 A9 A8 A7-A6 A5-A4
RP
V
V
V
V
/
IH
IH
IH
IH
BKA
X
A22
A12
BA
-
V
PP
V
V
V
V
/WP
A11-
IH
IH
IH
IH
A10
V
(1)
X
ID
(1)
V
X
A9 A8 A7 A6
ID
X
V
IL
Address Inputs
(1)
V
Address Inputs
Command Address
X
A22-A0, DQ15A-1
IL
Address Inputs
Cell Address
Valid
V
V
X
IL
IL
X
X
A5
A4
V
X
-
IL
V
V
A3
V
V
IH
IH
IL
IL
A3-
A2
V
IL
V
V
V
V
A2
IH
IH
IL
IL
V
A1 A0
IH
V
V
V
V
A1
IH
IH
IL
IL
V
V
IH
IL
Section 2.9: Reset/Block
V
V
A0
V
V
IH
IH
DQ15
IL
IL
A-1
X
X
DQ14-DQ8
DQ15A-1
Data Inputs/Outputs
Hi-Z
Hi-Z
Hi-Z
Hi-Z
DQ14
X
X
X
X
-DQ8
Hi-Z
Data Inputs/Outputs
M29DW128F
Inputs/Outputs
DQ14-
C0h (Customer
01h (protected)
80h (Customer
DQ8
(unprotected)
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Data Output
Data Input
Locked)
DQ7-DQ0
Data Input
Lockable)
DQ7-DQ0
Data
00h
Hi-Z
Hi-Z
DQ7-
DQ0
7Eh
20h
20h
00h
(2)