256Mb: 3V Embedded Parallel NOR Flash
Common Flash Interface
Table 26: Primary Algorithm-Specific Extended Query Table
Address
x16
Data Description
Value
40h
0050h Primary algorithm extended query table unique ASCII string “PRI”
‘P’
41h
0052h
‘R’
42h
0049h
‘I’
‘1’
43h
0031h Major version number, ASCII
0033h Minor version number, ASCII
44h
‘3’
45h
0010h Address sensitive unlock (bits 1 to 0) 00 = required, 01= not required
Silicon revision number (bits 7 to 2)
Yes 65 nm
46h
47h
48h
49h
4Ah
4Bh
4Ch
4Dh
0002h Erase suspend 00 = not supported, 01 = read only, 02 = read and write
0001h Block protection 00 = not supported, x = number of blocks per group
0000h Temporary block unprotect 00 = not supported, 01 = supported
0008h Block protect /unprotect 08 = M29DW256G
2
1
Not supported
8
115
0073h Simultaneous operations: x= block number (excluding bank A)
0000h Burst mode, 00 = not supported, 01 = supported
Not supported
02
0002h Page mode, 00 = not supported, 02 = 8-word page
0085h VPPH supply minimum program/erase voltage bit 7 to 4 HEX value in
volts bit 3 to 0 BCD value in 100 mV
8.5 V
4Eh
0095h VPPH supply maximum program/erase voltage bit 7 to 4 HEX value in
volts bit 3 to 0 BCD value in 100 mV
9.5 V
4Fh
50h
51h
52h
57h
58h
59h
5Ah
5Bh
0001h 01 = Dual Boot
Dual Boot
0001h Program suspend, 00 = not supported, 01 = supported
0001h Unlock bypass: 00 = not supported, 01 = supported
0008h Extended memory block size (customer lockable), 2n bytes
0004h Bank organization, 00 = data at 4Ah is 0, x= bank number
0013h Bank A information, x = number of blocks in bank A
0030h Bank B information, x = number of blocks in bank B
0030h Bank C information, x = number of blocks in bank C
0013h Bank D information, x = number of blocks in bank D
Supported
Supported
256
4
19
48
48
19
1. The values given in the above table are valid for both packages.
Note:
Table 27: Security Code Area
Address
x16
61h
62h
63h
64h
Data
XXXX
XXXX
XXXX
XXXX
Description
64-bit: unique device number
PDF: 09005aef84ecabef
m29dw_256g.pdf - Rev. A 10/12 EN
Micron Technology, Inc. reserves the right to change products or specifications without notice.
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