MX23J12840
MEMORY MAP
1 Page=528 Bytes
0
0
1
2
1 Block
=32 Pages .
.
30
31
.
.
.
.
.
.
.
.
.
32,765
32,766
32,767
512 Bytes
(Main memory)
.
.
.
255 256
.
.
.
511
.
527
(A)
(B)
(C)
1,024 Blocks
=32,768 Pages
16 Bytes
(Redundancy)
•
The start address (SA) during read operation is specified divided into three areas using three types of read
commands.
- In read mode (1), start address (SA) is set in area (A).
- In read mode (2), start address (SA) is set in area (B).
- In read mode (3), start address (SA) is set in area (C).
One page consists of a total of 528 bytes broken down into 512 bytes (main memory) and 16 bytes (redundancy).
One block consists of 32 pages.
Caution The data of area (C) is redundancy, which is not programmable and is fixed to all FFH.
P/N:PM1097
REV. 1.2, OCT. 28, 2005
3
MCNIX [ MACRONIX INTERNATIONAL ]
