參數(shù)資料
型號(hào): S75PL127JCFBFWB2
廠商: Spansion Inc.
英文描述: Power supply woltage of 2.7 to 3.1 volt
中文描述: 功率2月7號(hào)至三月一日伏的電源woltage
文件頁(yè)數(shù): 27/183頁(yè)
文件大?。?/td> 1409K
代理商: S75PL127JCFBFWB2
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28
S29PL127J/S29PL064J/S29PL032J for MCP
S29PL127J_064J_032J_MCP_00_A3 August 12, 2004
P r e l i m i n a r y
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 set as shown in
Table 6
. In addition, when
verifying sector protection, the sector address must appear on the appropriate
highest order address bits (see
Table 3
).
Table 6
shows 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 pro-
grammed in a system without access to high voltage on the A9 pin. The command
sequence is illustrated in
Table 13
.
Note that if a Bank Address (BA) (on address
bits PL127J: A22
A20, PL064J: A21
A19, PL032J: A20
–A18)
is asserted during
the third write cycle of the autoselect command, the host system can read au-
toselect 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 13
. This method does
not require V
ID
. Refer to the Autoselect Command Sequence for more
information.
Legend:
L = Logic Low = V
IL
, H = Logic High = V
IH
, BA = Bank Address, SA = Sector Address, X = Don’t care.
Note:
The autoselect codes may also be accessed in-system via command sequences
Table 6. Autoselect Codes (High Voltage Method)
Description
CE#
OE#
WE#
Amax
to
A12
A1
0
A9
A8
A7
A6
A5
to
A4
A3
A2
A1
A0
DQ15
to DQ0
Manufacturer ID
:
Spansion
products
L
L
H
BA
X
V
ID
X
L
L
X
L
L
L
L
0001h
D
Read
Cycle 1
L
L
H
BA
X
V
ID
X
L
L
L
L
L
L
H
227Eh
Read
Cycle 2
L
H
H
H
L
2220h (PL127J)
2202h (PL064J)
220Ah (PL032J)
Read
Cycle 3
L
H
H
H
H
2200h (PL127J)
2201h (PL064J)
2201h (PL032J)
Sector Protection
Verification
L
L
H
SA
X
V
ID
X
L
L
L
L
L
H
L
0001h (protected),
0000h (unprotected)
SecSi Indicator
Bit (DQ7, DQ6)
L
L
H
BA
X
V
ID
X
X
L
X
L
L
H
H
00C4h (factory and
customer locked), 0084h
(factory locked), 0004h
(not locked)
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