Memory organization
M25PE80
5
Memory organization
The memory is organized as:
■
■
■
■
4096 pages (256 bytes each).
1,048,576 bytes (8 bits each)
16 sectors (512 Kbits, 65536 bytes each)
256 subsectors (32 Kbits, 4096 bytes each)
Each page can be individually:
■
■
■
programmed (bits are programmed from 1 to 0)
erased (bits are erased from 0 to 1)
written (bits are changed to either 0 or 1)
The device is page, sector or bulk erasable (bits are erased from 0 to 1).
Table 5. Memory organization
Sector Subsector
Address range
Sector Subsector
Address range
255
FF000h
FFFFFh
143
8F000h
8FFFFh
15
8
240
239
14
F0000h
EF000h
F0FFFh
EFFFFh
128
127
7
80000h
7F000h
80FFFh
7FFFFh
224
223
13
E0000h
DF000h
E0FFFh
DFFFFh
112
111
6
70000h
6F000h
70FFFh
6FFFFh
208
207
12
D0000h
CF000h
D0FFFh
CFFFFh
96
95
5
60000h
5F000h
60FFFh
5FFFFh
192
191
11
C0000h
BF000h
C0FFFh
BFFFFh
80
79
4
50000h
4F000h
50FFFh
4FFFFh
176
175
10
B0000h
AF000h
B0FFFh
AFFFFh
64
63
3
40000h
3F000h
40FFFh
3FFFFh
160
159
9
A0000h
9F000h
A0FFFh
9FFFFh
48
47
2
30000h
2F000h
30FFFh
2FFFFh
144
31
90000h
1F000h
90FFFh
1FFFFh
32
15
20000h
0F000h
20FFFh
0FFFFh
1
16
10000h
10FFFh
4
04000h
03000h
02000h
01000h
00000h
04FFFh
03FFFh
02FFFh
01FFFh
00FFFh
0
3
2
1
0
18/66
NUMONYX [ NUMONYX B.V ]
