HSP43881 查看數據表（PDF） - Intersil
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HSP43881 Datasheet PDF : 21 Pages
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HSP43881
TABLE 3. 16-TAP DECIMATE BY TWO FIR FILTER SEQUENCE; 30MHz IN, 15MHz OUT
Data
Sequence ...X2, X1, X0
Input
Coefficient
Sequence ...C15, C0, ...C13, C14, C15
Input
HSP43881
...Y19, -, ...Y17, -, Y15
CLK
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
CELL 0
C15 x X0
+C14 x X1
+C13 x X2
+C12 x X3
+C11 x X4
+C10 x X5
+C9 x X6
+C8 x X7
+C7 x X8
+C6 x X9
+C5 x X10
+C4 x X11
+C3 x X12
+C2 x X13
+C1 x X14
+C0 x X15
C15 x X16
+C14 x X17
+C13 x X18
+C12 x X19
+C11 x X20
+C10 x X21
+C9 x X22
+C8 x X23
+C7 x X24
+C6 x X25
+C5 x X26
+C4 x X27
+C3 x X28
+C2 x X29
+C1 x X30
+C0 x X31
CELL 1
0
0
C15 x X2
+C14 x X31
CELL 2
0
0
0
0
C15 x X4
+C14 x X31
CELL 3
0
0
0
0
0
0
C15 x X6
+C14 x X31
CELL 4
0
0
0
0
0
0
0
0
C15 x X8
CELL 5
0
0
0
0
0
0
0
0
0
0
C15 x X10
CELL 6
0
0
0
0
0
0
0
0
0
0
0
0
C15 x X12
+C14 x X31 +C14 x X31 +C14 x X31
CELL 7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
C15 x X14
+C14 x X15
+C13 x X16
+C12 x X17
+C11 x X18
+C10 x X19
+C9 x X20
+C8 x X21
+C7 x X22
+C6 x X23
+C5 x X24
+C4 x X25
+C3 x X26
+C2 x X27
+C1 x X28
+C0 x X29
C15 x X30
+C14 x X31
SUM/CLR
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CELL 0 (Y15)
-
CELL 1 (Y17)
-
CELL 2 (Y19)
-
CELL 3 (Y21)
-
CELL 4 (Y23)
-
CELL 5 (Y25)
-
CELL 6 (Y27)
-
CELL 7 (Y29)
-
CELL 8 (Y31)
17
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