AM29SL160C AMD [Advanced Micro Devices], AM29SL160C Datasheet - Page 28

• Manufacturer Part Number: AM29SL160C
• Description: 16 Megabit CMOS 1.8 Volt-only Super Low Voltage Flash Memory
• Manufacturer: AMD [Advanced Micro Devices]

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.
Notes:
1. See
2. All values are in hexadecimal.
3. Except for the read cycle and the fourth cycle of the autoselect
4. Data bits DQ15–DQ8 are don’t cares in byte mode.
5. Unless otherwise noted, address bits A19–A11 are don’t cares.
6. No unlock or command cycles required when in read mode.
7. The Reset command is required to return to the read mode (or to
8. The fourth cycle of the autoselect command sequence is a read
28
Read (Note 6)
Reset (Note 7)
Enter SecSi Sector Region
Exit SecSi Sector Region
Program
Unlock Bypass
Unlock Bypass Program (Note 10)
Unlock Bypass Reset (Note 11)
Chip Erase
Sector Erase
Erase Suspend (Note 12)
Erase Resume (Note 13)
CFI Query (Note 14)
command sequence, all bus cycles are write cycles.
the erase-suspend-read mode if previously in Erase Suspend)
when in the autoselect mode, or if DQ5 goes high (while providing
status information).
cycle.
Manufacturer ID
Device ID
(Top Boot/Bottom
Boot)
SecSi Sector Factory
Protect
Sector Protect Verify
(Note 9)
Table 1, on page 11
Command
Sequence
(Note 1)
for description of bus operations.
Word
Word
Word
Word
Word
Word
Word
Word
Word
Word
Word
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
3
2
2
1
1
4
4
4
4
3
4
4
6
6
1
1
1
Table 12. Am29SL160C Command Definitions
Addr
XXX
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
XXX
AAA
AAA
555
555
555
555
555
555
555
555
555
555
RA
BA
BA
BA
AA
55
First
Data
RD
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
F0
A0
90
B0
30
98
Addr
XXX
2AA
2AA
2AA
2AA
2AA
2AA
2AA
2AA
2AA
2AA
555
555
555
555
555
555
555
555
555
555
PA
Second
Am29SL160C
Data
PD
55
55
55
55
55
55
55
55
00
55
55
Addr
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.
9. The data is 00h for an unprotected sector and 01h for a protected
10. The Unlock Bypass command is required prior to the Unlock
11. The Unlock Bypass Reset command is required to return to the
12. The system may read and program in non-erasing sectors, or
13. The Erase Resume command is valid only during the Erase
14. Command is valid when device is ready to read array data or
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
sector. Data bits DQ15–DQ8 are don’t care. See the Autoselect
Command Sequence section for more information.
Bypass Program command.
read mode when in the unlock bypass mode.
enter the autoselect mode, when in the Erase Suspend mode.
The Erase Suspend command is valid only during a sector erase
operation.
Suspend mode.
when device is in autoselect mode.
Data
A0
90
90
90
90
88
90
20
80
80
(SA)X02
(SA)X04
Addr
XXX
AAA
AAA
X00
X01
X02
X03
X06
555
555
PA
Fourth
E4/E7
22E4/
Data
22E7
PD
AA
AA
01
00
Addr Data
2AA
2AA
555
555
Fifth
November 1, 2004
55
55
Addr
AAA
555
SA
Sixth
Data
10
30