參數(shù)資料
型號(hào)： S29JL032H60TAI023
廠商： ADVANCED MICRO DEVICES INC
元件分類： PROM
英文描述： 2M X 16 FLASH 3V PROM, 60 ns, PDSO48
封裝： MO-142DD, TSOP-48
文件頁(yè)數(shù)： 15/66頁(yè)
文件大?。?/td> 1691K
代理商： S29JL032H60TAI023
20
S29JL032H
S29JL032H_00A11 March 10, 2005
Advan ce
In form ati o n
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
VID on ad-
dress pin A9. Address pins must be as shown in Table 5. In addition, when
verifying sector protection, the sector address must appear on the appropriate
highest order address bits. Table 5 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. How-
ever, the autoselect codes can also be accessed in-system through the command
register, for instances when the S29JL032H is erased or programmed in a system
without access to high voltage on the A9 pin. The command sequence is illus-
trated in Table 13. Note that if a Bank Address (BA) on address bits A20, A19 and
A18 is asserted during the third write cycle of the autoselect command, the host
system can read autoselect data from that bank and then immediately read array
data from another 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 VID. Refer to the Autoselect Command Sequence section for more
information.
Table 5. S29JL032H Autoselect Codes, (High Voltage Method)
Legend: L = Logic Low = VIL, H = Logic High = VIH, BA = Bank Address, SA = Sector Address, X = Don’t care.
Description
CE# OE# WE#
A20
to
A12
A11
to
A10
A9
A8
to
A7
A6
A5
to
A4
A3
A2
A1
A0
DQ15 to DQ8
DQ7
to
DQ0
BYTE#
= VIH
BYTE#
= VIL
Manufacturer ID
:
Spansion Products
L
H
BA
X
VID
X
L
X
L
X
01h
D
e
vi
c
e
ID
(Model
s
01,
02)
Read Cycle 1
L
H
BA
X
VID
X
L
X
L
H
22h
X
7Eh
Read Cycle 2
L
H
L
22h
0Ah
Read Cycle 3
L
H
22h
00h (bottom boot)
01h (top boot)
Device ID
(Models 21, 22)
L
H
BA
X
VID
X
L
X
L
H
22h
X
56h (bottom boot)
55h (top boot)
Device ID
(Models 31, 32)
L
H
BA
X
VID
X
L
X
L
H
22h
X
53h (bottom boot)
50h (top boot)
Device ID
(Models 41, 42)
L
H
BA
X
VID
X
L
X
L
H
22h
X
5Fh (bottom boot)
5Ch (top boot)
Sector Protection
Verification
L
H
SA
X
VID
X
L
X
L
H
L
X
01h (protected),
00h (unprotected)
SecSi Indicator Bit
(DQ6, DQ7)
L
H
BA
X
VID
X
L
X
L
H
X
82h (factory locked),
42h (customer
locked), 02h (not
factory/customer
locked)
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