S29AL016D SPANSION, S29AL016D Datasheet - Page 28

• Manufacturer Part Number: S29AL016D
• Description: 16 MEGABIT CMOS 3.0 VOLT ONLY BOOT SECTOR FLASH MEMORY
• Manufacturer: SPANSION

DataSheet4U.com
www.DataSheet4U.com
DataSheet
4
Command Definitions
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.
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.
Note:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. Command is valid when device is ready to read array data or when device is in autoselect mode.
11. The Unlock Bypass command is required prior to the Unlock Bypass Program command.
12. The Unlock Bypass Reset command is required to return to reading array data when the device is in the unlock bypass mode. F0 is also
13. The system may read and program in non-erasing sectors, or enter the autoselect mode, when in the Erase Suspend mode. The Erase
14. The Erase Resume command is valid only during the Erase Suspend mode.
28
Read
Reset
CFI Query
Program
Unlock Bypass
Unlock Bypass Program
Unlock Bypass Reset
Chip Erase
Sector Erase
Erase Suspend
Erase Resume
U
See
All values are in hexadecimal.
Except for the read cycle and the fourth cycle of the autoselect command sequence, all bus cycles are write cycles.
Data bits DQ15–DQ8 are don’t cares for unlock and command cycles.
Address bits A19–A11 are don’t cares for unlock and command cycles, unless SA or PA required.
No unlock or command cycles required when reading array data.
The Reset command is required to return to reading array data when device is in the autoselect mode, or if DQ5 goes high (while the device
is providing status data).
The fourth cycle of the autoselect command sequence is a read cycle.
The data is 00h for an unprotected sector and 01h for a protected sector. See “Autoselect Command Sequence” for more information.
acceptable.
Suspend command is valid only during a sector erase operation.
.com
Manufacturer ID
Device ID,
Top Boot Block
Device ID,
Bottom Boot Block
Sector Protect Verify
(Note
(Note
(Note
Table 1
(Note
9)
6)
7)
Command
Sequence
(Note
(Note
(Note
for description of bus operations.
10)
14)
(Note
1)
13)
(Note
12)
11)
Word
Word
Word
Word
Word
Word
Word
Word
Word
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
1
1
4
4
4
4
1
4
3
2
2
6
6
1
1
Table 9. S29AL016D Command Definitions
Addr
XXX
AAA
AAA
AAA
AAA
AAA
AAA
XXX
XXX
AAA
AAA
XXX
XXX
555
555
555
555
555
555
555
555
RA
AA
55
First
Data
RD
AA
AA
AA
AA
AA
AA
A0
AA
AA
B0
F0
98
90
30
DataSheet4U.com
Addr
2AA
555
2AA
555
2AA
555
2AA
555
2AA
555
2AA
555
XXX
2AA
555
2AA
555
PA
Second
S29AL016D
P r e l i m i n a r y
Data
55
55
55
55
55
55
PD
55
55
F0
Addr
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
555
555
555
555
555
555
555
555
Bus Cycles (Notes 2–5)
Third
Data
90
90
90
90
A0
20
80
80
DataSheet4U.com
Addr
(SA)
(SA)
X01
X01
X02
X04
AAA
AAA
X00
X02
X02
555
555
PA
Fourth
Data
22C4
2249
XX00
XX01
01
C4
49
00
01
PD
AA
AA
S29AL016D_00_A2 December 17, 2004
Addr
2AA
2AA
555
555
Fifth
Data
55
55
Addr
555
AAA
SA
Sixth
Data
10
30