M28W320 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'M28W320' PDF : 69 Pages View PDF
M28W320FCT, M28W320FCB
Common Flash Interface (CFI)
Table 29. Device Geometry Definition
Offset Word
Mode
Data
Description
27h
0016h Device Size = 2n in number of bytes
28h
0001h
Flash Device Interface Code description
29h
0000h
2Ah
0003h Maximum number of bytes in multi-byte program or page = 2n
2Bh
0000h
Number of Erase Block Regions within the device.
2Ch
0002h It specifies the number of regions within the device containing contiguous
Erase Blocks of the same size.
2Dh
003Eh Region 1 Information
2Eh
0000h Number of identical-size erase block = 003Eh+1
2Fh
0000h Region 1 Information
30h
0001h Block size in Region 1 = 0100h * 256 byte
31h
0007h Region 2 Information
32h
0000h Number of identical-size erase block = 0007h+1
33h
0020h Region 2 Information
34h
0000h Block size in Region 2 = 0020h * 256 byte
2Dh
0007h Region 1 Information
2Eh
0000h Number of identical-size erase block = 0007h+1
2Fh
0020h Region 1 Information
30h
0000h Block size in Region 1 = 0020h * 256 byte
31h
003Eh Region 2 Information
32h
0000h Number of identical-size erase block = 003Eh=1
33h
0000h Region 2 Information
34h
0001h Block size in Region 2 = 0100h * 256 byte
Value
4 MByte
x16
Async.
8
2
63
64 KByte
8
8 KByte
8
8 KByte
63
64 KByte
53/69
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