73M1903-IM 查看數據表（PDF） - Teridian Semiconductor Corporation
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73M1903-IM Datasheet PDF : 46 Pages
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73M1903 Data Sheet
Table 5: PLL Power Down
Addr. 00h bit 7
ENFE
0
1
1
Addr. 0Eh bit 6
PwdnPLL
X
0
1
PLL
PLL Power Off
PLL Power On
PLL Power Off
DS_1903_032
Fs
(kHz)
Nnco1
Dnco1
Table 6: Examples of NCO Settings
PsSeq(7:0)
PsRst
=Dnco1
-1
Nnco2
Dnco2
PllSeq(7:0)
PllRst
=Dnco2
-1
Fvco
(Mhz)
PPM
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
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
12.8
2.4*10/7*4
=13.7142857143
14.4
7.2
8.0
8.4
9.0
9.6
2.4*8/7*4
=10.9714285714
11.2
12
8/125
8/125
8/169
8/125
8/125
8/125
8/125
7/50
7/52
8/125
8/65
7/80
8/125
1/10
1/10
4/35
1/10
1/10
1/10
3/28
4/35
1/10
1/10
1/10
1/7
1/10
1/4
1/4
1/4
1/4
1/4
2/7
1/4
1/4
14
15
11011010
15 11011010
21 10000000
15 11011010
15 11011010
15 11011010
15 11011010
7 X1000000
7 X1010100
15 11011010
8 10000000
11 X1010100
15 11011010
10 XXXXXXXX
10 XXXXXXXX
8 XXXX1110
10 XXXXXXXX
10 XXXXXXXX
10 XXXXXXXX
9 XXXXX100
8 XXXX1110
10 XXXXXXXX
10 XXXXXXXX
10 XXXXXXXX
7 XXXXXXXX
10 XXXXXXXX
4 XXXXXXXX
4 XXXXXXXX
4 XXXXXXXX
4 XXXXXXXX
4 XXXXXXXX
6 XXXXXX10
4 XXXXXXXX
4 XXXXXXXX
7 5/96
7 3/64
3/89
7
7 5/112
7 1/24
7 5/128
7/192
7
8/107
6
6 5/71
7 1/32
7 4/71
4/107
6
7 5/192
0 2/27
0 1/15
19
XXX10000
21 XXXXX100
29 XXXXX110
22 XXX10100
24 XXXXXXXX
25 XXX11010
27 X1010110
13 10100100
14 XXX10000
32 XXXXXXXX
17 XXXX1110
26 XXXX1110
38 XXX10100
13 XXXXXX10
15 XXXXXXXX
3 2/27
0 4/63
0 8/135
0 1/18
13 XXXXXX10
15 XXXX1110
16 11111110
18 XXXXXXXX
2 1/18 18 XXXXXXXX
3 1/18
0 1/21
0 2/45
0 1/24
18 XXXXXXXX
21 XXXXXXXX
22 XXXXXX10
24 XXXXXXXX
0 1/18
0 1/27
0 5/72
0 1/16
0 5/84
0 1/18
0 5/96
5/96
4
0 5/112
0 1/24
18 XXXXXXXX
27 XXXXXXXX
14 XXX10100
16 XXXXXXXX
16 XXX11110
18 XXXXXXXX
19 XXX10000
19 XXX10000
22 XXX10100
24 XXXXXXXX
4
33.177600
0
2 36.864000
0
2 37.917160*
-3
4 38.707200
0
0 41.472000
0
4 44.236800
0
6 47.396571
0
7 50.557500* 23
4 51.611538* 38
0 55.296000
0
3 58.984615* 38
3 63.196875* 23
4 66.355200
0
1 33.177600
0
0 36.864000
0
1 37.917257…
0
3 38.707200
0
7 41.472000
0
0 44.236800
0
0 47.3965714..
0
0 50.5563429..
0
0 51.609600
0
1 55.296000
0
0 58.982400
0
0 63.19542…
0
0 66.355200
0
4 33.177600
0
0 36.864000
0
4 38.707200
0
0 41.472000
0
4 44.236800
0
4 50.556343
0
4 51.609600
0
0 55.296000
0
Rev. 2.0
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