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AM29PDL128G Arkusz danych(PDF) 46 Page - Advanced Micro Devices

Numer części AM29PDL128G
Szczegółowy opis  128 Megabit (8 M x 16-Bit/4 M x 32-Bit) CMOS 3.0 Volt-only, Simultaneous Read/ Write Flash Memory with VersatileIOTM Control
PDF  71 Pages
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Producent  AMD [Advanced Micro Devices]
Strona internetowa  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM29PDL128G Arkusz danych(HTML) 46 Page - Advanced Micro Devices

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October 28, 2004
Am29PDL128G
45
P R E L IM IN A R Y
Legend:
DYB = Dynamic Protection Bit
SSA = SecSi Sector Address (A6:A0) is (0011010).
PD[3:0] = Program Data. Password written as four 16-bit sections.
PPB = Persistent Protection Bit
PWA = Password Address. A0:A-1 selects portion of password.
PWD = Password Data being verified.
PL = Password Protection Mode Lock Address (A5:A0) is (001010)
RD(0) = Read Data DQ0 for protection indicator bit.
RD(1) = Read Data DQ1 for PPB Lock bit status.
SA = Sector Address where security command applies. Address bits
A21:A11 uniquely select any sector.
SL = Persistent Protection Mode Lock Address (A5:A0) is (010010)
WP = PPB Address (A6:A0) is (0111010) (Note 16)
EP = PPB Erase Address (A6:A0) is (1111010) (Note 16)
X = Don’t care
PPMLB = Password Protection Mode Locking Bit
SPMLB = Persistent Protection Mode Locking Bit
1.
See Table 1 for description of bus operations.
2.
All values are in hexadecimal.
3.
Shaded cells in the table denote read cycles. All other cycles are
write operations.
4.
During unlock and command cycles, when lower address bits are
555 or AAAh as shown in the table, address bits higher than A11
(except where BA is required) and data bits higher than DQ7 are
don’t cares.
5.
Reset command returns device to reading array.
6.
Cycle 4 programs addressed locking bit. Cycles 5 and 6 validate
the bit has been fully programmed when DQ0 = 1. If DQ0 = 0 in
cycle 6, the program command must be issued and verified again.
7.
Data is latched on rising edge of WE#.
8.
Entire command sequence must be executed for each portion of
password.
9.
Command sequence returns FFh if PPMLB is set.
10. Password is written over four consecutive cycles, at addresses
0-3.
11. A 2 µs timeout is required between any two portions of password.
12. A 100 µs timeout is required between cycles 4 and 5.
13. A 1.2 ms timeout is required between cycles 4 and 5.
14. Cycle 4 erases all PPBs. Cycles 5 and 6 validate bits have been
fully erased when DQ0 = 0. If DQ0 = 1 in cycle 6, erase command
must be issued and verified again. Before issuing erase
command, all PPBs should be programmed to prevent PPB
overerasure.
15. DQ1 = 1 if PPB locked, 0 if unlocked.
16. For all other parts that use the Persistent Protection Bit (excluding
PDL640G), the WP address is 00000010 and the EP address is
01000010.
Table 17.
Sector Protection Command Definitions (x16 Mode)
Command (Notes)
Bus Cycles (Notes 1, 2, 3, and 4)
Addr Data Addr Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Reset
1
XXX
F0
SecSi Sector Entry
3
AAA
AA
555
55
(BA)AAA
88
SecSi Sector Exit
4
AAA
AA
555
55
(BA)AAA
90
XX
00
SecSi Protection Bit Program (5, 6)
6
AAA
AA
555
55
(BA)AAA
60
SSA
68
SSA
48
XX
RD(0)
Password Program (5, 7, 8)
4
AAA
AA
555
55
AAA
38
XX[0-3]
PD[0-3]
Password Verify (8, 9)
4
AAA
AA
555
55
AAA
C8
PWA[0-3]
PWD[0-3]
Password Unlock (7, 10, 11)
4
AAA
AA
555
55
AAA
28
PWA[0-3]
PWD[0-3]
PPB Program (6, 12)
6
AAA
AA
555
55
AAA
60
(SA)WP
68
(SA)WP
48
(SA)WP RD(0)
All PPB Erase (13, 14)
6
AAA
AA
555
55
AAA
60
(SA)EP
60
(SA)EP
40
(SA)WP RD(0)
PPB Lock Bit Set
3
AAA
AA
555
55
AAA
78
PPB Lock Bit Status (15)
4
AAA
AA
555
55
AAA
58
SA
RD(1)
DYB Write (7)
4
AAA
AA
555
55
AAA
48
SA
X1
DYB Erase (7)
4
AAA
AA
555
55
AAA
48
SA
X0
DYB or PPB Status
4
AAA
AA
555
55
AAA
58
SA
RD(0)
PPMLB Program (5, 6, 12)
6
AAA
AA
555
55
AAA
60
PL
68
PL
48
XX
RD(0)
PPMLB Status (5)
4
AAA
AA
555
55
AAA
60
PL
RD(0)
SPMLB Program (5, 6, 12)
6
AAA
AA
555
55
AAA
60
SL
68
SL
48
XX
RD(0)
SPMLB Status (5)
4
AAA
AA
555
55
AAA
60
SL
RD(0)



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