M25PE40
Memory organization
5
Memory organization
The memory is organized as:
■
■
■
■
2048 pages (256 bytes each)
524,288 bytes (8 bits each)
128 subsectors (32 Kbits, 4096 bytes each)
8 sectors (512 Kbits, 65536 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 or sector erasable (bits are erased from 0 to 1).
Table 4. Memory organization
Sector Subsector
Address range
Sector Subsector
Address range
127
7F000h
7FFFFh
15
0F000h
0FFFFh
7
112
111
6
70000h
6F000h
70FFFh
6FFFFh
4
04000h
03000h
02000h
01000h
00000h
04FFFh
03FFFh
02FFFh
01FFFh
00FFFh
0
3
2
1
0
96
95
5
60000h
5F000h
60FFFh
5FFFFh
80
79
4
50000h
4F000h
50FFFh
4FFFFh
64
63
3
40000h
3F000h
40FFFh
3FFFFh
48
47
2
30000h
2F000h
30FFFh
2FFFFh
32
31
1
20000h
1F000h
20FFFh
1FFFFh
16
10000h
10FFFh
17/62
NUMONYX [ NUMONYX B.V ]
