Cirrus Logic CS5378 - Manual (Page 49)

CS5378
DS639F3 49
Filter Type Filter Coefficients
(normalized 24-bit)
FIR1 (Coefficient set 0)
Low pass, SINC compensation
Linear phase decimate by 4
48 coefficients
h
0
= 558 h
24
= 8388607
h
1
= 1905 h
25
= 7042723
h
2
= 3834 h
26
= 4768946
h
3
= 5118 h
27
= 2266428
h
4
= 365 h
28
= 189436
h
5
= -14518 h
29
= -1053303
h
6
= -39787 h
30
= -1392827
h
7
= -67365 h
31
= -1084130
h
8
= -69909 h
32
= -496361
h
9
= -19450 h
33
= 39864
h
10
= 97434 h
34
= 332367
h
11
= 258881 h
35
= 375562
h
12
= 375562 h
36
= 258881
h
13
= 332367 h
37
= 97434
h
14
= 39864 h
38
= -19450
h
15
= -496361 h
39
= -69909
h
16
= -1084130 h
40
= -67365
h
17
= -1392827 h
41
= -39787
h
18
= -1053303 h
42
= -14518
h
19
= 189436 h
43
= 365
h
20
= 2266428 h
44
= 5118
h
21
= 4768946 h
45
= 3834
h
22
= 7042723 h
46
= 1905
h
23
= 8388607 h
47
= 558
FIR1 (Coefficient set 1)
Low pass, SINC compensation
Minimum phase decimate by 4
48 coefficients
h
0
= 3337 h
24
= 555919
h
1
= 22258 h
25
= -165441
h
2
= 88284 h
26
= -581479
h
3
= 266742 h
27
= -617500
h
4
= 655747 h
28
= -388985
h
5
= 1371455 h
29
= -99112
h
6
= 2502684 h
30
= 114761
h
7
= 4031988 h
31
= 186557
h
8
= 5783129 h
32
= 141374
h
9
= 7396359 h
33
= 58582
h
10
= 8388607 h
34
= -12664
h
11
= 8325707 h
35
= -42821
h
12
= 6988887 h
36
= -35055
h
13
= 4531706 h
37
= -16792
h
14
= 1507479 h
38
= 367
h
15
= -1319126 h
39
= 7929
h
16
= -3207750 h
40
= 5926
h
17
= -3736028 h
41
= 2892
h
18
= -2980701 h
42
= 23
h
19
= -1421498 h
43
= -1164
h
20
= 237307 h
44
= -538
h
21
= 1373654 h
45
= -238
h
22
= 1711919 h
46
= 18
h
23
= 1322371 h
47
= 113
Figure 27. FIR1 Coefficients