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參數(shù)資料
| 型號(hào)： | lpm-shiftreg |
| 廠商： | Altera Corporation |
| 英文描述： | Parameteruzed Shift Register(參數(shù)確定的移位寄存器) |
| 中文描述： | Parameteruzed移位寄存器（參數(shù)確定的移位寄存器） |
| 文件頁數(shù)： | 37/48頁 |
| 文件大?。?/td> | 293K |
| 代理商： | LPM-SHIFTREG |
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32
Altera Corporation
Storage Functions
Parameters
Name
Required
Value
Description
LPM_ADDRESS_CONTROL
No
"REGISTERED"
"UNREGISTERED"
"<filename>"
Controls whether the
address[]
,
memenab
, and
we
ports
are registered. The default value is
"REGISTERED"
.
Name of the MIF or Hex File containing ROM initialization
data ("<filename>"). If omitted, contents default to all 0s.
Controls whether the internal
data
port is registered. The
default value is
"REGISTERED"
.
Number of words stored in memory. In general, this value
should be (but is not required to be):
2
LPM_WIDTHAD
–1
<
LPM_NUMWORDS
≤
2
LPM_WIDTHAD
. The
default value is 2
LPM_WIDTHAD
.
Controls whether the
dio[]
port is registered. The default
value is
"REGISTERED"
.
Width of
dio[]
and internal
data
and
q
ports.
Width of the
address[]
port.
LPM_WIDTHAD
should be
(but is not required to be) equal to log
2
(
LPM_NUMWORDS
). If
LPM_WIDTHAD
is too small, some memory locations will
not be addressable. If it is too large, the addresses that are
too high will return undefined logic levels.
LPM_FILE
No
LPM_INDATA
No
"REGISTERED"
"UNREGISTERED"
Integer > 0
LPM_NUMWORDS
No
LPM_OUTDATA
No
"REGISTERED"
"UNREGISTERED"
Integer > 0
Integer > 0
LPM_WIDTH
Yes
Yes
LPM_WIDTHAD
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