P r e l i m i n a r y
dard microprocessor bus cycle timing. For sector group unprotect, all unprotected
sector groups must first be protected prior to the first sector group unprotect
write cycle.
The device is shipped with all sector groups unprotected. FASL offers the option
of programming and protecting sector groups at its factory prior to shipping the
device through Spansion Programming Service. Contact a Spansion representa-
tive for details.
It is possible to determine whether a sector group is protected or unprotected.
See the Autoselect Mode section for details.
Table 15. S29GL032M (Model R0) Sector Group Protection/Unprotection Address Table
Sector Group
SA0–SA3
A22–A18
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
SA4–SA7
SA8–SA11
SA12–SA15
SA16–SA19
SA20–SA23
SA24–SA27
SA28–SA31
SA32–SA35
SA36–SA39
SA40–SA43
SA44–SA47
SA48–SA51
SA52–SA55
SA56–SA59
SA60–SA63
Note:All sector groups are 256 Kbytes in size.
Table 16. S29GL032M (Model R1) Top Boot Sector Protection
Sector/
Sector
SA0-SA3
A20–A12
Sector Block Size
256 (4x64) Kbytes
256 (4x64) Kbytes
256 (4x64) Kbytes
256 (4x64) Kbytes
256 (4x64) Kbytes
256 (4x64) Kbytes
256 (4x64) Kbytes
256 (4x64) Kbytes
256 (4x64) Kbytes
256 (4x64) Kbytes
256 (4x64) Kbytes
256 (4x64) Kbytes
256 (4x64) Kbytes
0000XXXXXh
0001XXXXXh
0010XXXXXh
0011XXXXXh
0100XXXXXh
0101XXXXXh
0110XXXXXh
0111XXXXXh
1000XXXXXh,
1001XXXXXh
1010XXXXXh
1011XXXXXh
1100XXXXXh
SA4-SA7
SA8-SA11
SA12-SA15
SA16-SA19
SA20-SA23
SA24-SA27
SA28-SA31
SA32–SA35
SA36–SA39
SA40–SA43
SA44–SA47
SA48–SA51
80
S29GLxxxM MirrorBitTM Flash Family
S29GLxxxM_00A5 April 30, 2004
SPANSION [ SPANSION ]
