S29GL256N SPANSION [SPANSION], S29GL256N Datasheet - Page 77
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S29GL256N
Manufacturer Part Number
S29GL256N
Description
MirrorBit Flash Family
Manufacturer
SPANSION [SPANSION]
Datasheet
1.S29GL256N.pdf
(110 pages)
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Legend:
X = Don’t care
RA = Address of the memory to be read.
RD = Data read from location RA during read operation.
PA = Address of the memory location to be programmed. Addresses latch on the falling edge of the WE# or CE# pulse, whichever
happens later.
PD = Data to be programmed at location PA. Data latches on the rising edge of the WE# or CE# pulse, whichever happens first.
SA = Address of the sector to be verified (in autoselect mode) or erased. Address bits A
WBL = Write Buffer Location. The address must be within the same write buffer page as PA.
WC = Word Count is the number of write buffer locations to load minus 1.
PWD = Password
PWD
DATA = Lock Register Contents: PD(0) = SecSi Sector Protection Bit, PD(1) = Persistent Protection Mode Lock Bit, PD(2) =
Password Protection Mode Lock Bit.
Notes:
1. See
2. All values are in hexadecimal.
3. Except for the read cycle, and the 4th, 5th, and 6th cycle of the autoselect command sequence, all bus cycles are write
May 13, 2004 27631A4
Command (Notes)
cycles.
x
Nonvolatile Sector Protection Command
Set Entry
PPB Program (24, 25)
All PPB Erase
PPB Status Read (25)
Non-Volatile Sector Protection Command
Set Exit (18)
Global Non-Volatile Sector Protection
Freeze Command Set Entry
PPB Lock Bit Set (25)
PPB Lock Status Read (25)
Global Non-Volatile Sector Protection
Freeze Command Set Exit (18)
Volatile Sector Protection Command Set
Entry
DYB Set (24, 25)
DYB Clear (25)
DYB Status Read (25)
Volatile Sector Protection Command Set
Exit (18)
= Password word0, word1, word2, word3. word 4, word 5, word 6, and word 7.
Table 1
for description of bus operations.
Global Non-Volatile Sector Protection Freeze Command Set Definitions
A d v a n c e
Non-Volatile Sector Protection Command Set Definitions
Volatile Sector Protection Command Set Definitions
S29GLxxxN MirrorBitTM Flash Family
3
2
1
2
3
2
1
2
3
2
2
1
2
2
Addr
AAA
XXX
XXX
XXX
AAA
XXX
XXX
XXX
AAA
XXX
XXX
XXX
SA
SA
I n f o r m a t i o n
First
Data
RD
(0)
RD
(0)
RD
(0)
AA
A0
AA
A0
AA
A0
A0
80
90
90
90
Addr
XXX
XXX
XXX
XXX
555
555
55
SA
00
SA
SA
Second
Data Addr
55
30
00
55
00
00
55
01
00
00
00
AAA
AAA
AAA
Bus Cycles (Notes 2–5)
Third
Data
C0
50
E0
max
Addr
–A16 uniquely select any sector.
Fourth
Data
Addr
Fifth
Data
Addr
Sixth
Data
77