73M1903 Просмотр технического описания (PDF) - Teridian Semiconductor Corporation
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73M1903 Datasheet PDF : 46 Pages
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DS_1903_032
73M1903 Data Sheet
Fs
(kHz)
Nnco1
Dnco1
PsSeq(7:0)
PsRst
=Dnco1
-1
Nnco2
Dnco2
PllSeq(7:0)
PllRst
=Dnco2
-1
Fvco
(Mhz)
PPM
12.8
14.4
7.2
8.0
2.4*8/7*3
=8.22857142858
8.4
9.0
9.6
2.4*10/7*3
=10.2857142857
2.4*8/7*4
=10.9714285714
11.2
12.0
12.8
2.4*10/7*4
=13.7142857143
14.4
7.2
1/4
1/8
8/125
2/25
4/73
8/125
4/25
8/125
8/125
6/59
8/125
4/25
8/125
5/61
7/73
8/163
4 XXXXXXXX
8 XXXXXXXX
15 11011010
12 XXXXXX10
18 XXXX1000
15 11011010
6 XXXX1000
15 11011010
15 11011010
9 XX111110
15 11011010
6 XXXX1000
15 11011010
12 XXX10000
10 X1010100
20 10010010
0 5/128
0 5/288
7 5/108
1 5/96
3 6/173
7 5/126
3 5/54
7 5/144
7 7/216
5 7/145
7 5/168
3 5/72
7 5/192
4 8/257
6 6/173
7 3/80
25 XXX11010
57 XXX11010
21 XXX11010
19 XXX10000
28 XX111110
25 XXX10000
10 XXX11110
28 XXX11110
30 X1111110
20 X1110110
33 XXX11010
14 XXX10100
38 XXX10100
32 10000000
28 XX111110
26
110
4 58.982400
0
4 66.355200
0
4 33.1776
0
4 36.864
0
5 37.91781*
15
4 38.7072
0
4 41.472
0
4 44.2368
0
6 47.39657
0
6 50.5569*
12
4 51.6096
0
4 55.296
0
4 58.9824
0
7 63.19672*
21
5 66.35616*
15
2 33.177914*
10
Table 7: Clock Generation Register Settings for Fxtal = 27 MHz
Reg Address
Dh Ichp Kvco
Fs (kHz)
8h 9h Ah Bh Ch * (μA) [2:0]
7.2
DA EF 20 13 10 C4 8 0
8.0
DA EF 31 15 04 C2 10 1
2.4*8/7*3
=8.22857142858
80
F5
41
1D
06
C2
12
1
8.4
DA EF 31 16 14 C4 10 1
9.0
DA EF 31 18 XX C0 10 1
9.6
DA EF 32 19 1A C4 10 2
2.4*10/7*3
=10.2857142857
DA EF
43
1B
54
C6
12
3
2.4*8/7*4
=10.9714285714*
40
C7
23
0D
A4
C7
8
3
11.2*
54 C7 23 0E 10 C4 8 3
12.0
DA EF 24 20 XX C0 8 4
12.8*
80 E8 15 11 0E C3 6 5
2.4*10/7*4
=13.7142857143
54 CB 26
1A 0E C3
8
6
14.4
DA EF 46 26 14 C4 12 6
Rev. 2.0
15
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