AM29BDD160G AMD [Advanced Micro Devices], AM29BDD160G Datasheet - Page 47

• Manufacturer Part Number: AM29BDD160G
• Description: 16 Megabit (1 M x 16-bit/512 K x 32-Bit), CMOS 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/Write Flash Memory
• Manufacturer: AMD [Advanced Micro Devices]

5. No unlock or command cycles required when bank is
6. The Reset command is required to return to the read
7. The fourth cycle of the autoselect command sequence is
8. This command cannot be executed until The Unlock
9. This command is ignored during any embedded
10. Valid read operations include asynchronous and burst
11. The device ID must be read across the fourth, fifth, and
12. The system may read and program in non-erasing
SecSi Sector Entry
Bit Program (5, 6)
Program (5, 7, 8)
SecSi Sector Exit
Password Unlock
All PPB Erase (5,
PPB Program (5,
PPB Lock Bit Set
SecSi Protection
SecSi Protection
Password Verify
PPB Status (11,
DYB Erase (7)
DYB Write (7)
reading array data.
mode (or to the erase-suspend-read mode if previously
in Erase Suspend) when a bank is in the autoselect
mode, or if DQ5 goes high (while the bank is providing
status information).
a read cycle. The system must provide the bank address
to obtain the manufacturer ID or device ID information.
See the
information.
Bypass command must be executed before writing this
command sequence. The Unlock Bypass Reset command
must be executed to return to normal operation.
program, erase or suspended operation.
read mode operations.
sixth cycles. 00h in the sixth cycle indicates top boot
block, 01h indicates bottom boot block.
sectors, or enter the autoselect mode, when in the
PPB Lock Bit
Command
Bit Status
Password
(Notes)
Status
9, 10)
Reset
(7, 8)
12)
Table 20. Sector Protection Command Definitions (x32 Mode) (Sheet 1 of 2)
6)
Autoselect Command
Cycles
1
3
4
6
6
4
4
5
6
6
4
3
4
4
4
Addr Data Addr Data Addr Data
XXX
555
555
555
555
555
555
555
555
555
555
555
555
555
555
First
section for more
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
F0
2AA
2AA
2AA
2AA
2AA
2AA
2AA
2AA
2AA
2AA
2AA
2AA
2AA
2AA
Second
55
55
55
55
55
55
55
55
55
55
55
55
55
55
Am29BDD160G
(BA)
555
555
555
555
555
555
555
555
555
555
555
555
555
555
Third
Bus Cycles (Notes 1-4)
13. The Program/Erase Resume command is valid only
14. Command is valid when device is ready to read array
15. Asynchronous read operations.
16.
17. Command is ignored during any Embedded Program,
18. The Unlock Bypass Entry command is required prior to
C8
88
90
60
60
38
28
60
60
90
78
58
48
48
Program/Erase Suspend mode. The Program/Erase
Suspend command is valid only during a sector erase
operation, and requires the bank address.
during the Erase Suspend mode, and requires the bank
address.
data or when device is in autoselect mode.
ACC must be at V
command.
Embedded Erase, or Suspend operation.
any Unlock Bypass operation. The Unlock Bypass Reset
command is required to return to the read mode.
(SA)X02
PWA[0-
PWA[0-
PWA[0-
(SA)WP
Addr
OW
OW
WP
XX
SA
SA
SA
1]
1]
1]
Fourth
PWD[0-
PWD[0-
PWD[0-
RD(0)
00/01
RD(1)
Data
00
68
68
60
X1
X0
1]
1]
1]
ID
during the entire operation of this
(SA)WP
(SA)WP
Addr
OW
Fifth
Data
48
48
40
(SA)WP RD(0)
(SA)WP RD(0)
Addr
OW
Sixth
RD(0)
Data
45