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參數(shù)資料
| 型號(hào)： | S29PL129J |
| 廠商： | Spansion Inc. |
| 英文描述： | CMOS 3.0 Volt-only, Simultaneous Read/Write Flash Memory with Enhanced VersatileIO Control |
| 中文描述： | 3.0伏的CMOS只，同步讀/寫閃存與增強(qiáng)VersatileIO控制記憶 |
| 文件頁(yè)數(shù)： | 46/106頁(yè) |
| 文件大?。?/td> | 1997K |
| 代理商： | S29PL129J |
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44
S29PL127J/S29PL129J/S29PL064J/S29PL032J
31107A62 April 7, 2005
P R E L I M I N A R Y
Autoselect Mode
The autoselect mode provides manufacturer and device identification, and sector
protection verification, through identifier codes output on DQ7–DQ0. This mode
is primarily intended for programming equipment to automatically match a device
to be programmed with its corresponding programming algorithm. However, the
autoselect codes can also be accessed in-system through the command register.
When using programming equipment, the autoselect mode requires V
ID
on ad-
dress pin A9. Address pins must be as shown in
Table 10
and
Table 11
. In
addition, when verifying sector protection, the sector address must appear on the
appropriate highest order address bits (see
Table 4
).
Table 10
and
Table 11
show
the remaining address bits that are don’t care. When all necessary bits have been
set as required, the programming equipment may then read the corresponding
identifier code on DQ7–DQ0. However, the autoselect codes can also be accessed
in-system through the command register, for instances when the device is erased
or programmed in a system without access to high voltage on the A9 pin. The
command sequence is illustrated in
Table 21
.
Note that if a Bank Address (BA)
(on address bits PL127J: A22
–
A20, PL129J and PL064J: A21
–
A19, PL032J:
A20
–A18)
is asserted during the third write cycle of the autoselect command, the
host system can read autoselect data that bank and then immediately read array
data from the other bank, without exiting the autoselect mode.
To access the autoselect codes in-system, the host system can issue the autose-
lect command via the command register, as shown in
Table 21
. This method does
not require V
ID
. Refer to the "
Autoselect Command Sequence
" section for more
information.
B
SA2-124
1
0
1111100XXX
32
3E0000h–3E7FFFh
SA2-125
1
0
1111101XXX
32
3E8000h–3EFFFFh
SA2-126
1
0
1111110XXX
32
3F0000h–3F7FFFh
SA2-127
1
0
1111111000
4
3F8000h–3F8FFFh
SA2-128
1
0
1111111001
4
3F9000h–3F9FFFh
SA2-129
1
0
1111111010
4
3FA000h–3FAFFFh
SA2-130
1
0
1111111011
4
3FB000h–3FBFFFh
SA2-131
1
0
1111111100
4
3FC000h–3FCFFFh
SA2-132
1
0
1111111101
4
3FD000h–3FDFFFh
SA2-133
1
0
1111111110
4
3FE000h–3FEFFFh
SA2-134
1
0
1111111111
4
3FF000h–3FFFFFh
Table 9.
SecSiTM Sector Addresses
Sector Size
Address Range
Factory-Locked Area
64 words
000000h-00003Fh
Customer-Lockable Area
64 words
000040h-00007Fh
Table 8.
S29PL129J Sector Architecture (Continued)
Bank
Sector
CE1#
CE2#
Sector Address
(A21-A12)
Sector Size
(Kwords)
Address Range (x16)
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