M29W320 ST Microelectronics, M29W320 Datasheet - Page 36

• Manufacturer Part Number: M29W320
• Description: 32 Mbit 4Mb x8 or 2Mb x16 / Boot Block 3V Supply Flash Memory
• Manufacturer: ST Microelectronics

M29W320DT, M29W320DB
Table 24. Device Geometry Definition
36/44
2Ch
2Dh
3Ch
x16
27h
28h
29h
2Ah
2Bh
2Eh
2Fh
30h
31h
32h
33h
34h
3Ah
3Bh
35h
36h
37h
38h
39h
Address
5Ch
6Ch
4Eh
5Ah
5Eh
6Ah
6Eh
50h
52h
54h
56h
58h
60h
62h
64h
66h
68h
70h
72h
74h
76h
78h
x8
003Eh
0016h
0002h
0000h
0000h
0000h
0004h
0000h
0000h
0040h
0000h
0001h
0000h
0020h
0000h
0000h
0000h
0080h
0000h
0000h
0000h
0001h
Data
Device Size = 2
Flash Device Interface Code description
Maximum number of bytes in multi-byte program or page = 2
Number of Erase Block Regions within the device.
It specifies the number of regions within the device containing
contiguous Erase Blocks of the same size.
Region 1 Information
Number of identical size erase block = 0000h+1
Region 1 Information
Block size in Region 1 = 0040h * 256 byte
Region 2 Information
Number of identical size erase block = 0001h+1
Region 2 Information
Block size in Region 2 = 0020h * 256 byte
Region 3 Information
Number of identical size erase block = 0000h+1
Region 3 Information
Block size in Region 3 = 0080h * 256 byte
Region 4 Information
Number of identical-size erase block = 003Eh+1
Region 4 Information
Block size in Region 4 = 0100h * 256 byte
n
in number of bytes
Description
n
16 Kbyte
32 Kbyte
64 Kbyte
4 MByte
8 Kbyte
x8, x16
Async.
Value
NA
63
4
1
2
1