s29al016j Meet Spansion Inc., s29al016j Datasheet - Page 32

• Manufacturer Part Number: s29al016j
• Description: 16 Megabit 2 M X 8-bit/1 M X 16-bit Cmos 3.0 Volt-only Boot Sector Flash Memory
• Manufacturer: Meet Spansion Inc.

10.10 Command Definitions Table
Legend
X = Don’t care
RA = Address of the memory location 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.
Notes
1. See
2. All values are in hexadecimal.
3. Except for the read cycle and the fourth cycle of the autoselect command
4. Data bits DQ15–DQ8 are don’t cares for unlock and command cycles.
5. Address bits A19–A11 are don’t cares for unlock and command cycles,
6. No unlock or command cycles required when reading array data.
7. The Reset command is required to return to reading array data when device
32
Read
Reset
Enter Secured Silicon Sector
Exit Secured Silicon Sector
CFI Query
Program
Unlock Bypass
Unlock Bypass Program
Unlock Bypass Reset
Chip Erase
Sector Erase
Erase Suspend
Erase Resume
sequence, all bus cycles are write cycles.
unless SA or PA required.
is in the autoselect mode, or if DQ5 goes high (while the device is providing
status data).
(Note 6)
Manufacturer ID
Device ID,
Top Boot Block
Device ID,
Bottom Boot Block
Sector Protect Verify
(Note 7)
Table 7.1 on page 14
(Note 10)
(Note 14)
Command
(Note 13)
Sequence
(Note 1)
(Note 12)
(Note 11)
(Note 9)
for description of bus operations.
Word
Byte
Word
Byte
Word
Byte
Word
Byte
Word
Byte
Word
Byte
Word
Byte
Word
Byte
Word
Byte
Word
Byte
Word
Byte
1
1
4
4
4
4
3
4
1
4
3
2
2
6
6
1
1
Table 10.1 S29AL016J Command Definitions
Addr
XXX
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
XXX
XXX
AAA
AAA
XXX
XXX
D a t a
555
555
555
555
555
555
555
555
555
555
RA
AA
55
First
Data
RD
AA
AA
AA
AA
AA
AA
AA
AA
A0
AA
AA
B0
F0
98
90
30
S h e e t
Addr
XXX
2AA
2AA
2AA
2AA
2AA
2AA
2AA
2AA
2AA
2AA
555
555
555
555
555
555
555
555
555
555
PA
Second
S29AL016J
Data
PD
55
55
55
55
55
55
55
55
00
55
55
PD = Data to be programmed at location PA. Data latches on the rising edge of
WE# or CE# pulse, whichever happens first.
SA = Address of the sector to be verified (in autoselect mode) or erased.
Address bits A19–A12 uniquely select any sector.
8. The fourth cycle of the autoselect command sequence is a read cycle.
9. The data is 00h for an unprotected sector and 01h for a protected sector. See
10. Command is valid when device is ready to read array data or when device is
11. The Unlock Bypass command is required prior to the Unlock Bypass Program
12. The Unlock Bypass Reset command is required to return to reading array
13. The system may read and program in non-erasing sectors, or enter the
14. The Erase Resume command is valid only during the Erase Suspend mode.
( A d v a n c e
“Autoselect Command Sequence” for more information.
in autoselect mode.
command.
data when the device is in the unlock bypass mode. F0 is also acceptable.
autoselect mode, when in the Erase Suspend mode. The Erase Suspend
command is valid only during a sector erase operation.
Addr
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
555
555
555
555
555
555
555
555
555
555
Bus Cycles (Notes 2–5)
Third
Data
A0
90
90
90
90
88
90
20
80
80
I n f o r m a t i o n )
Addr
(SA)
(SA)
XXX
AAA
AAA
X00
X01
X02
X01
X02
X02
X04
555
555
PA
Fourth
XX00
XX01
22C4
2249
Data
PD
C4
AA
AA
01
49
00
01
00
S29AL016J_00_05 May 23, 2008
Addr
2AA
2AA
555
555
Fifth
Data
55
55
Addr
AAA
555
SA
Sixth
Data
10
30