W25M02GV
5. SINGLE DIE (W25N01GV) BLOCK DIAGRAM
Address Bits
SpiFlash (up to 128M‐Bit)
SpiFlash (up to 32G‐Bit)
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
Page Address (256 Pages)
Page Address (256 Pages)
8
7
6
5
4
3
2
1
0
64KB Block Addr (256 Blocks)
64KB Block Address
Page Address (PA) [15:0]
128KB Block Addr (1024 Blocks) Page Addr (64 Pages) Ext
Byte Address (0‐255 Byte)
Byte Address (0‐255 Byte)
X
X
X
X
X
X
X
X
Column Address (CA) [11:0]
X
X
X
X
X
X
X
X
Serial NAND (1G‐Bit)
Byte Address (0‐2047 Byte)
Main Memory Array (2,048-Byte)
ECC Protected
SpareArea (64-Byte)
Page
Structure
(2,112-Byte)
Sector 0
512-Byte
Sector 1
512-Byte
Sector 2
512-Byte
Sector 3
512-Byte
Spare 0
16-Byte
Spare 1
16-Byte
Spare 2
16-Byte
Spare 3
16-Byte
Column
Address
000h -- 1FFh 200h -- 3FFh 400h -- 5FFh 600h -- 7FFh 800h -- 80Fh 810h -- 81Fh 820h -- 82Fh 830h -- 83Fh
Byte
Bad Block User Data
User Data
I
ECC for
Sector 0
ECC for
Spare
Definition Marker
II
Byte
Address
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
No ECC
Protection
ECC
Protected
ECC for
Byte 4 to Byte D
Figure 2b. Single Die W25N01GV Flash Memory Architecture and Addressing
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