M45PE40
5
Memory organization
Memory organization
The memory is organized as:
● 2048 pages (256 bytes each).
● 524288 bytes (8 bits each)
● 8 sectors (64 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 2. 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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