M29W400 ST Microelectronics, M29W400 Datasheet - Page 5

• Manufacturer Part Number: M29W400
• Description: 4 Mbit 512Kb x8 or 256Kb x16 / Boot Block Low Voltage Single Supply Flash Memory
• Manufacturer: ST Microelectronics

Table 3A. M29W400T Block Address Table
Table 3B. M29W400B Block Address Table
Bus Operations
The following operations can be performed using
the appropriate bus cycles: Read (Array, Electronic
Signature, Block Protection Status), Write com-
Address Range (x8)
Address Range (x8)
7C000h-7FFFFh
00000h-0FFFFh
10000h-1FFFFh
20000h-2FFFFh
30000h-3FFFFh
40000h-4FFFFh
50000h-5FFFFh
60000h-6FFFFh
7A000h-7BFFFh
08000h-0FFFFh
10000h-1FFFFh
20000h-2FFFFh
30000h-3FFFFh
40000h-4FFFFh
50000h-5FFFFh
60000h-6FFFFh
70000h-7FFFFh
70000h-77FFFh
78000h-79FFFh
00000h-03FFFh
04000h-05FFFh
06000h-07FFFh
Address Range (x16)
Address Range (x16)
3C000h-3CFFFh
3D000h-3DFFFh
08000h-0FFFFh
18000h-1FFFFh
28000h-2FFFFh
38000h-3BFFFh
3E000h-3FFFFh
08000h-0FFFFh
18000h-1FFFFh
28000h-2FFFFh
38000h-3FFFFh
00000h-07FFFh
10000h-17FFFh
20000h-27FFFh
30000h-37FFFh
00000h-01FFFh
02000h-02FFFh
03000h-03FFFh
04000h-07FFFh
10000h-17FFFh
20000h-27FFFh
30000h-37FFFh
A17
A17
0
0
0
0
1
1
1
1
1
1
1
0
0
0
0
0
0
0
1
1
1
1
mand, Output Disable, Standby, Reset, Block Pro-
tection, Unprotection, Protection Verify, Unprotec-
tion Verify and Block Temporary Unprotection. See
Tables 4 and 5.
A16
A16
0
0
1
1
0
0
1
1
1
1
1
0
0
0
0
0
1
1
0
0
1
1
A15
A15
0
1
0
1
0
1
0
1
1
1
1
0
0
0
0
1
0
1
0
1
0
1
M29W400T, M29W400B
A14
A14
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
1
1
0
0
0
1
A13
A13
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
1
0
1
1
A12
A12
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
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