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參數(shù)資料
| 型號： | FIR Filters |
| 廠商： | Altera Corporation |
| 英文描述： | FIR Compiler(有限的脈沖響應濾波器) |
| 中文描述： | 飛行編譯器（有限的脈沖響應濾波器） |
| 文件頁數(shù)： | 9/19頁 |
| 文件大?。?/td> | 323K |
| 代理商： | FIR FILTERS |
Altera Corporation
9
FS 1: FIR Filters
Parameters
Parameters for the parallel FIR filter functions are provided in
Table 2
. In the default value of the
output_p
parameter, the
constant
BLOCKS
refers to the number of 8-tap blocks in the filter.
Ports
Input and output ports for the parallel FIR filter functions are
provided in
Table 3
.
Block Diagrams
Figures
6
through
9
show block diagrams for the
fir_08tp
,
fir_16tp
,
fir_24tp
, and
fir_32tp
filters.
f
See
Application Note 73
(
Implementing FIR Filters in FLEX Devices
)
for
more information on how to implement vector multipliers.
Table 2. Parallel FIR Filter Parameters
Name
Default
Value
Description
width
8
Integer
Integer
"
yes
" or "
no
"
"sym"
or
"anti"
Integer
Integer
Input word width (in bits)
Coefficient precision
Pipelined/non-pipelined
Symmetrical/antisymmetrical
Output precision (in bits)
Internal precision (in bits)
rom_p
8
pipelined
"yes"
sym
"sym"
output_p
width+blocks+rom_p
internal_p
output_p
Table 3. Input & Output Ports
Port Type
Name
Description
Input
Input
Input
Output
xin[width..1]
Data input
Clock input
Asynchronous Clear
Data output
clk
aclr
y[output_p..1]
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