MX23J25640
MEMORY MAP
1 Page=528 Bytes
0
.
.
.
255 256
.
.
.
511
.
527
0
1
2
.
1 Block
=32 Pages
.
30
31
.
.
.
(A)
(B)
(C)
2,048 Blocks
=65,536 Pages
.
.
.
.
.
.
65,533
65,534
65,535
512 Bytes
(Main memory)
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.
CautionThe data of area (C) is redundancy, which is not programmable and is fixed to all FFH.
P/N:PM1137
REV. 1.2, OCT. 28, 2005
3
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