Common flash interface (CFI)
M29W800DT, M29W800DB
Table 26. Primary algorithm-specific extended query table
Address
Data
Description
Value
x 16
x 8
40h
41h
42h
43h
44h
80h
82h
84h
86h
88h
0050h
0052h
0049h
‘P’
Primary algorithm extended query table unique ASCII string
‘PRI’
‘R’
‘I’
0031h Major version number, ASCII
0030h Minor version number, ASCII
‘1’
‘0’
Address sensitive unlock (bits 1 to 0)
0000h 00 = required, 01= not required
silicon revision number (bits 7 to 2)
45h
8Ah
Yes
Erase suspend
46h
47h
48h
49h
8Ch
8Eh
90h
92h
0002h
2
1
00 = not supported, 01 = read only, 02 = read and write
Block protection
0001h
00 = not supported, x = number of sectors in per group
Temporary block unprotect
0001h
Yes
4
00 = not supported, 01 = supported
Block protect /unprotect
0004h
04 = M29W800D
4Ah
4Bh
94h
96h
0000h Simultaneous operations, 00 = not supported
0000h Burst mode, 00 = not supported, 01 = supported
No
No
Page mode, 00 = not supported, 01 = 4 page word, 02 = 8
page word
4Ch
98h
0000h
No
Table 27. Security code area
Address
Data
Description
x 16
x 8
61h
62h
63h
64h
C3h, C2h
C5h, C4h
C7h, C6h
C9h, C8h
XXXX
XXXX
XXXX
XXXX
64-bit: unique device number
44/52
NUMONYX [ NUMONYX B.V ]
