Memory organization
5
Memory organization
M25P40
The memory is organized as:
● 524,288 bytes (8 bits each)
● 8 sectors (512 Kbits, 65536 bytes each)
● 2048 pages (256 bytes each).
Each page can be individually programmed (bits are programmed from 1 to 0). The device is
Sector or Bulk Erasable (bits are erased from 0 to 1) but not Page Erasable.
Table 3. Memory organization
Sector
7
70000h
6
60000h
5
50000h
4
40000h
3
30000h
2
20000h
1
10000h
0
00000h
Address range
7FFFFh
6FFFFh
5FFFFh
4FFFFh
3FFFFh
2FFFFh
1FFFFh
0FFFFh
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