at49ld3200 ATMEL Corporation, at49ld3200 Datasheet - Page 9

• Manufacturer Part Number: at49ld3200
• Description: At49ld3200 32-megabit 1m X 32 Or 2m X 16 High-speed Synchronous Flash Memory
• Manufacturer: ATMEL Corporation

Asynchronous Boot Block Function Truth Table
Notes:
Mode Register Control Table
Register Programmed with MRS
Note:
1940B–FLASH–11/01
Command
Read
Output Disable
Program/Erase
Fast Program/Erase
Program/Erase Inhibit
A7
0
1
Product ID
Function
Address
1. Program/Erase is performed through the synchronous bus cycle operation after the boot block is activated through either
2. It is recommended to hold CKE Low if CLK is running during asynchronous boot block mode except for synchronous com-
1. After power-up, when the user wants to change Mode Register Set, the user must exit from power-down mode and start
“Read”
power-up or Mode Register Set.
mand cycle and MRS operations.
Array
Mode Register Set before entering normal operation mode. Reserved modes are not to be used; device function in these
modes is not guaranteed.
ID
(1)
(1)
Product ID
A6
0
1
CLK
RAS Latency
A7
X
X
(2)
CKE
Type
X
X
H
H
H
1
2
(2)
RAS Latency
(1)
A6
CS
H
L
L
L
L
A5
0
0
0
0
1
1
1
1
A4
0
0
1
1
0
0
1
1
RAS
CAS Latency
X
X
H
H
X
A5
A3
0
1
0
1
0
1
0
1
CAS Latency
CAS
Reserved
X
X
X
L
L
Length
A4
2
3
4
5
6
7
8
MR
X
X
X
X
X
A3
A2
0
1
DQM
Burst Type
H
X
X
L
X
Burst Type
Sequential
Interleave
A2
Type
Add.
Add
Add
Add
X
X
AT49LD3200(B)
WORD
A1
0
1
1
0
X
X
X
X
X
A1
Burst Length
Burst Length
A0
0
1
0
1
VPP
12V
X
X
X
X
Boot Block
Reserved
Length
A0
4
8
WE
X
X
X
L
L
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