M58LT256JST, M58LT256JSB
Common Flash interface
Table 38. Device geometry definition
Offset Data
027h 0019h
Description
Value
Device size = 2n in number of bytes
32 Mbytes
028h
029h
0001h
0000h
x 16
Flash device Interface code description
Async.
02Ah
02Bh
0006h
0000h
Maximum number of bytes in multi-byte program or page = 2n
64 Bytes
2
Number of identical sized erase block regions within the
device
02Ch
0002h
bit 7 to 0 = x = number of erase block regions
02Dh
00FEh Erase block region 1 information
255
128 Kbytes
4
02Eh
0000h
Number of identical-size erase blocks = 00FEh+1
02Fh
030h
0000h
0002h
Erase block region 1 information
Block size in region 1 = 0200h * 256 Byte
031h
032h
0003h
0000h
Erase block region 2 information
Number of identical-size erase blocks = 0003h+1
033h
034h
0080h
0000h
Erase block region 2 information
32 Kbytes
NA
Block size in region 2 = 0080h * 256 byte
035h
038h
Reserved Reserved for future erase block region information
02Dh
02Eh
0003h
0000h
Erase block region 1 Information
4
Number of identical-size erase block = 0003h+1
02Fh
030h
0080h
0000h
Erase block region 1 information
32 Kbytes
255
Block size in region 1 = 0080h * 256 bytes
00FEh Erase block region 2 information
031h
032h
0000h
Number of identical-size erase block = 00FEh+1
033h
034h
0000h
0002h
Erase block region 2 information
128 Kbytes
NA
Block size in region 2 = 0200h * 256 bytes
035h
038h
Reserved Reserved for future erase block region information
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NUMONYX [ NUMONYX B.V ]
