A d v a n c e I n f o r m a t i o n
Command Definitions
Table 12. S29GL512N, S29GL256N, S29GL128N Command Definitions, x16
Bus Cycles (Notes 2–5)
Command (Notes)
First
Second
Third
Fourth
Fifth
Sixth
Addr Data Addr Data Addr Data Addr Data Addr Data Addr Data
Read (6)
1
1
4
RA
RD
F0
Reset (7)
XXX
555
Manufacturer ID
AA
2AA
2AA
55
55
555
555
90
90
X00
X01
01
Note
17
Note
17
Device ID
4
4
4
555
555
555
AA
AA
AA
227E
X0E
X0F
XX00
XX01
(SA)
X02
Sector Protect Verify
Secure Device Verify (9)
2AA
2AA
55
55
555
555
90
90
Note
10
X03
CFI Query (11)
1
4
3
1
3
3
2
2
2
2
6
6
1
1
55
98
AA
AA
29
AA
AA
A0
80
80
90
AA
AA
B0
30
Program
555
555
SA
2AA
2AA
55
55
555
SA
A0
25
PA
SA
PD
Write to Buffer
WC
PA
PD
WBL
PD
Program Buffer to Flash (confirm)
Write-to-Buffer-Abort Reset (16)
Unlock Bypass
555
555
XXX
XXX
XXX
XXX
555
555
XXX
XXX
2AA
2AA
PA
55
55
PD
30
10
00
55
55
555
555
F0
20
Unlock Bypass Program (12)
Unlock Bypass Sector Erase (12)
Unlock Bypass Chip Erase (12)
Unlock Bypass Reset (13)
Chip Erase
SA
XXX
XXX
2AA
2AA
555
555
80
80
555
555
AA
AA
2AA
2AA
55
55
555
SA
10
30
Sector Erase
Erase Suspend/Program Suspend (14)
Erase Resume/Program Resume (15)
Sector Command Definitions
SecSi Sector Entry
3
555
AA
2AA
55
555
88
90
SecSi Sector Exit (18)
4
555
AA
2AA
55
555
XX
00
Lock Register Command Set Definitions
Lock Register Command Set Entry
Lock Register Bits Program (22)
Lock Register Bits Read (22)
3
2
1
2
555
XXX
00
AA
A0
2AA
XXX
55
555
40
Data
Data
90
Lock Register Command Set Exit (18, 23)
XXX
XXX
00
Password Protection Command Set Definitions
May 13, 2004 27631A4
S29GLxxxN MirrorBitTM Flash Family
73
SPANSION [ SPANSION ]
