M50FLW040B ST Microelectronics, M50FLW040B Datasheet - Page 42

• Manufacturer Part Number: M50FLW040B
• Description: 4 Mbit 3V Supply Firmware Hub / Low Pin Count Flash Memory
• Manufacturer: ST Microelectronics

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M50FLW040A, M50FLW040B
Note: In LPC mode, a most significant nibble, F, must be added to
42/52
(KByte)
Block
Size
64
the memory address. For all registers, A22=0, and the re-
maining address bits should be set according to the rules
shown in the ADDR field of
Address
0D000h-
0C000h-
0F000h-
0E000h-
0DFFFh
0CFFFh
0B000h-
0A000h-
09000h-
08000h-
07000h-
06000h-
05000h-
04000h-
03000h-
02000h-
01000h-
00000h-
0FFFFh
0EFFFh
0BFFFh
0AFFFh
09FFFh
08FFFh
07FFFh
06FFFh
05FFFh
04FFFh
03FFFh
02FFFh
01FFFh
00FFFh
Range
No and
(Main)
Block
Type
0
(KByte)
Table 6.
Sector
Size
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
to
Sector
Table
No
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
9..
Register
Address
FB80002
Table 35. M50FLW040B Block
Addresses
(KByte)
Block
Size
64
64
64
64
64
64
Address
7F000h-
7E000h-
7D000h-
7C000h-
7B000h-
7A000h-
7EFFFh
7DFFFh
7CFFFh
7BFFFh
7AFFFh
79000h-
78000h-
77000h-
76000h-
75000h-
74000h-
73000h-
72000h-
71000h-
70000h-
60000h-
50000h-
40000h-
30000h-
20000h-
7FFFFh
79FFFh
78FFFh
77FFFh
76FFFh
75FFFh
74FFFh
73FFFh
72FFFh
71FFFh
70FFFh
6FFFFh
5FFFFh
4FFFFh
3FFFFh
2FFFFh
Range
No and
(Main)
(Main)
(Main)
(Main)
(Main)
Block
Type
(Top)
7
6
5
4
3
2
(KByte)
Sector
Size
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
and Sector
Sector
No
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
FBD0002
FBC0002
FBF0002
FBE0002
FBB0002
FBA0002
Register
Address