S25FL040A Meet Spansion Inc., S25FL040A Datasheet - Page 15

• Manufacturer Part Number: S25FL040A
• Description: Small Sector For Boot And Parameter Storage 4-megabit Cmos 3.0 Volt Flash Memory With 50 Mhz Spi Bus Interface
• Manufacturer: Meet Spansion Inc.

8. Sector Address Table
July 2, 2007 S25FL040A_00_B2
Table 8.1
program data before the data is programmed into the memory array. Each page or byte can be individually
programmed (bits are changed from 1 to 0). The data is erased (bits are changed from 0 to 1) on a sector- or
device-wide basis using the SE or BE commands.
sector. The complete set of sectors comprises the memory array of the Flash device.
12 (boot), 7 (uniform)
Each Device has
shows the size of the memory array, sectors, and pages. The device uses pages to cache the
524,288
2,048
Sector
Sector
SA12
SA11
SA10
SA12
SA11
SA10
SA9
SA8
SA7
SA6
SA5
SA4
SA3
SA2
SA1
SA0
SA9
SA8
SA7
SA6
SA5
SA4
SA3
SA2
SA1
SA0
Table 8.3 S25FL040A Sector Address Table (Bottom Boot)
D a t a
Table 8.2 S25FL040A Sector Address Table (Top Boot)
65,536 (64 KB sector)
16,384 (16 KB sector)
12,288 (12 KB sector)
Table 8.1 S25FL040A Device Organization
4,096 (4 KB sector)
256 (64 KB sector)
Each Sector has
64 (16 KB sector)
48 (12 KB sector)
16 (4 KB sector)
S h e e t
16K Byte
16K Byte
12K Byte
12K Byte
64K Byte
64K Byte
64K Byte
64K Byte
64K Byte
64K Byte
64K Byte
64K Byte
64K Byte
64K Byte
64K Byte
64K Byte
64K Byte
64K Byte
12K Byte
12K Byte
16K Byte
16K Byte
4K Byte
4K Byte
4K Byte
4K Byte
S25FL040A
—
Size
Size
Table 8.4
shows the starting and ending address for each
Each Page has
7C000h
77000h
76000h
0D000h
0A000h
09000h
08000h
78000h
73000h
70000h
60000h
50000h
40000h
30000h
20000h
10000h
00000h
70000h
60000h
50000h
40000h
30000h
20000h
10000h
04000h
00000h
256
—
—
Address Range
Address Range
bytes
pages
sectors
7BFFFh
0CFFFh
7FFFFh
77FFFh
76FFFh
75FFFh
72FFFh
6FFFFh
5FFFFh
4FFFFh
3FFFFh
2FFFFh
1FFFFh
0FFFFh
7FFFFh
6FFFFh
5FFFFh
4FFFFh
3FFFFh
2FFFFh
1FFFFh
0FFFFh
09FFFh
08FFFh
07FFFh
03FFFh
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