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參數(shù)資料
| 型號(hào)： | AM29SL160CT-150EC |
| 英文描述： | x8/x16 Flash EEPROM |
| 中文描述： | x8/x16閃存EEPROM |
| 文件頁(yè)數(shù)： | 14/50頁(yè) |
| 文件大?。?/td> | 979K |
| 代理商： | AM29SL160CT-150EC |
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14
Am29SL160C
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 address pin A9. Address pins A6,
A1, and A0 must be as shown in Table 4. In addition,
when verifying sector protection, the sector address
must appear on the appropriate highest order address
bits (see Tables 2 and 3). Table 4 shows the remaining
address bits that are don’t care. When all necessary
bits have been set as required, the programming equip-
ment may then read the corresponding 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 12. This method
does not require V
ID
. See “Command Definitions” for
details on using the autoselect mode.
Table 4.
Am29SL160C Autoselect Codes (High Voltage Method)
L = Logic Low = V
IL
, H = Logic High = V
IH
, SA = Sector Address, X = Don’t care.
Note:
Outputs for data bits DQ8–DQ15 are for BYTE#=V
IH
. DQ8–DQ15 are don’t care when BYTE#=V
IL
.
Description
Mode
CE#
OE#
WE#
A19
to
A12
A11
to
A10
A9
A8
to
A7
A6
A5
to
A2
A1
A0
DQ8
to
DQ15
DQ7
to
DQ0
Manufacturer ID
:
AMD
L
L
H
X
X
V
ID
X
L
X
L
L
X
01h
Device ID:
Am29SL160CT
(Top Boot Block)
Word
L
L
H
X
X
V
ID
X
L
X
L
H
22h
E4
Byte
L
L
H
X
E4
Device ID:
Am29SL160CB
(Bottom Boot Block)
Word
L
L
H
X
X
V
ID
X
L
X
L
H
22h
E7
Byte
L
L
H
X
E7
Sector Protection Verification
L
L
H
SA
X
V
ID
X
L
X
H
L
X
01h
(protected)
X
00h
(unprotected)
SecSi Sector Indicator bit
(DQ7)
L
L
H
SA
X
V
ID
X
L
X
H
H
X
81h
(factory
locked)
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