Datasheet

DS_1903_032 73M1903 Data Sheet
Rev. 2.1 15
Fs
(kHz)
Dnco1
Nnco1
PsDiv
PsSeq(7:0) PsRst
=Dnco1
-1
Dnco2
Nnco2
PllDiv
PllSeq(7:0) PllRst
=Dnco2
-1
Fvco
(Mhz)
PPM
12.8 1/4 4 XXXXXXXX 0 5/128 25 XXX11010 4 58.982400 0
14.4 1/8 8 XXXXXXXX 0 5/288 57 XXX11010 4 66.355200 0
Fxtal(Mhz)=24.000
7.2 8/125 15 11011010 7 5/108 21 XXX11010 4 33.1776 0
8.0 2/25 12 XXXXXX10 1 5/96 19 XXX10000 4 36.864 0
2.4*8/7*3
=8.22857142858 4/73 18 XXXX1000 3 6/173 28 XX111110 5 37.91781* 15
8.4 8/125 15 11011010 7 5/126 25 XXX10000 4 38.7072 0
9.0 4/25 6 XXXX1000 3 5/54 10 XXX11110 4 41.472 0
9.6 8/125 15 11011010 7 5/144 28 XXX11110 4 44.2368 0
2.4*10/7*3
=10.2857142857 8/125 15 11011010 7 7/216 30 X1111110 6 47.39657 0
2.4*8/7*4
=10.9714285714 6/59 9 XX111110 5 7/145 20 X1110110 6 50.5569* 12
11.2 8/125 15 11011010 7 5/168 33 XXX11010 4 51.6096 0
12.0 4/25 6 XXXX1000 3 5/72 14 XXX10100 4 55.296 0
12.8 8/125 15 11011010 7 5/192 38 XXX10100 4 58.9824 0
2.4*10/7*4
=13.7142857143 5/61 12 XXX10000 4 8/257 32 10000000 7 63.19672* 21
14.4 7/73 10 X1010100 6 6/173 28 XX111110 5 66.35616* 15
Fxtal(Mhz)=
25.35
7.2 8/163 20 10010010 7 3/80 26 110 2 33.177914* 10
Table 7: Clock Generation Register Settings for Fxtal = 27 MHz
Reg Address
Fs (kHz)
8h 9h
Ah Bh Ch
Dh
*
Ichp
(μA)
Kvco
[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