hsp43168 Intersil Corporation, hsp43168 Datasheet - Page 20

• Manufacturer Part Number: hsp43168
• Description: Dual Fir Filter
• Manufacturer: Intersil Corporation

FIGURE 26C. COMPUTATIONAL FLOW AS DATA SAMPLE 23
+ (X1 + X22)C1 + (X4 + X19)C4 + (X7 + X16)C7 + (X10 + X13)C10
+ (X2 + X21)C2 + (X5 + X18)C5 + (X8 + X15)C8 + (X11 + X12)C11
D0
C0
(X0 + X23)C0 + (X3 + X20)C3 + (X6 + X17)C6 + (X9 + X14)C9
23
23
+ (X3 + X21)D2 + (X6 + X18)D5 + (X9 + X15)D8 + (X12 + X12)D11/2
+ (X2 + X22)D1 + (X5 + X19)D4 + (X8 + X16)D7 + (X11 + X13)D10
(X1 + X23)D0 + (X4 + X20)D3 + (X7 + X17)D6 + (X14 + X10)D9
+
+
22
22
1
0
IS CLOCKED INTO THE FEED FORWARD STAGE
D3
C3
21
21
6
5
20
20
4
5
ACCUMULATOR
+
+
ACCUMULATOR
19
19
4
3
D6
C6
FIGURE 26. DATA FLOW DIAGRAM FOR MULTIPLEXED DECIMATION EXAMPLE
18
18
9
8
20
17
17
8
7
+
+
16
16
7
6
D9
C9
12
15
15
11
OUTPUT OF B IS SENT
TO OUT9-27
11
14
10
14
+
+
CSEL = 2
CSEL = 2
10
9
13 14
12 13
FIR A
FIR B
HSP43168
FIGURE 26D. COMPUTATIONAL FLOW AS DATA SAMPLE 24 IS
D2
C2
(X6 + X24)D2 + (X9 + X21)D5 + (X12 + X18)D8 + (X15 + X15)D11/2
24
24
(X5+X24)C0+(X8+X21)C5+(X11+X18)C8+(X14+X15)C11
+
+
23
23
5
6
CLOCKED INTO THE FEED FORWARD STAGE
D5
C5
22
22
4
5
21
21
3
4
ACCUMULATOR
ACCUMULATOR
+
+
20
20
9
8
C8
D8
19
19
7
8
18
18
6
7
+
+
D11/2
11
17
12
17
C11
10
16
11
16
OUTPUT OF A IS SENT
TO OUT9-27
10
15
15
9
+
+
CSEL = 0
CSEL = 0
14
15
FIR A
14 13
13 12
FIR B