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参数资料
| 型号： | AM29DL320GB120WMI |
| 厂商： | ADVANCED MICRO DEVICES INC |
| 元件分类： | PROM |
| 英文描述： | 32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory |
| 中文描述： | 2M X 16 FLASH 3V PROM, 120 ns, PBGA48 |
| 封装： | 6 X 12 MM, 0.80 MM PITCH, FBGA-48 |
| 文件页数： | 8/55页 |
| 文件大小： | 1230K |
| 代理商： | AM29DL320GB120WMI |
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16
Am29DL320G
July 31, 2002
ADV ANC E
INFO RMAT ION
Autoselect Mode
The autoselect mode provides manufacturer and de-
vice identification, and sector protection verification,
through identifier codes output on DQ7–DQ0. This
mode is primarily intended for programming equip-
ment to automatically match a device to be pro-
gra mm ed w it h its co rresp on ding p rog ram min g
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 (8.5 V to 12.5 V) on address pin A9.
Address pins A6, A1, and A0 must be as shown in
Table 6. In addition, when verifying sector protection,
the sector address must appear on the appropriate
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 corre-
sponding identifier code on DQ7–DQ0.
To access the autoselect codes in-system, the host
system can issue the autoselect command via the
command register, as shown in Table 13. This method
does not require V
ID. Refer to the Autoselect Com-
mand Sequence section for more information.
Table 6.
Autoselect Codes, (High Voltage Method)
Legend: T = Top Boot Block, B = Bottom Boot Block, L = Logic Low = V
IL, H = Logic High = VIH, BA = Bank Address, SA = Sector Address, X
= Don’t care.
Notes:
1.
The bank address bits are A20–A18.
2.
The device ID must be read across three cycles.
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:
AMD
LL
H
BAX
VID
X
L
X
L
X
01h
De
vice
I
D
Read Cycle 1
L
H
BA
X
VID
X
L
X
LLL
H
22h
X
7Eh
Read Cycle 2
L
H
BA
X
V
ID
X
L
X
HHH
L
22h
X
0Ah
Read Cycle 3
L
H
BA
X
V
ID
X
L
X
H
22h
X
01h (T), 00h (B)
Sector Protection
Verification
LL
H
SAX
V
ID
XLX
X
H
L
X
01h (protected),
00h (unprotected)
SecSi
Indicator
Bit (DQ7)
LL
H
BAX
VID
XLX
X
H
X
81h (factory locked),
01h (not factory
locked)
相关PDF资料 |
PDF描述 |
|---|---|
| AM29DL320GB90WMIN | 32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory |
| AM29DL320GT120EI | 32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory |
| AM29DL320GT120EIN | 32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory |
| AM29DL320GT120WDI | 32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory |
| AM29DL320GT120WDIN | 32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory |
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