CMX649 View Datasheet(PDF) - CML Microsystems Plc
Part Name
Description
MFG CO.
'CMX649' PDF : 50 Pages View PDF
ADM Codec
CMX649
Applicable Bit Rate (kbps) Settings with Bit Rate Prescaler = 3
Crystal vs Divider chart for CMX649
Divider values
1
2
2.25
2.625
3
3.125
Register bits
clk ctrl[5:3]
[2:0]
Crystal
000
001
010
011
100
101
Freq MHz clk ctrl[7:6]
4
10
20.833
4.032
10
21.000
4.096
10
21.333
8
10
41.667 20.833 18.519 15.873
8.064
10
42.000 21.000 18.667 16.000
8.192
10
42.667 21.333 18.963 16.254
11.2896
10
58.800 29.400 26.133 22.400 19.600 18.816
12
10
62.500 31.250 27.778 23.810 20.833 20.000
12.096
10
63.000 31.500 28.000 24.000 21.000 20.160
12.288
10
64.000 32.000 28.444 24.381 21.333 20.480
16
10
83.333 41.667 37.037 31.746 27.778 26.667
16.128
10
84.000 42.000 37.333 32.000 28.000 26.880
16.384
10
85.333 42.667 37.926 32.508 28.444 27.307
3.375
110
17.422
18.519
18.667
18.963
24.691
24.889
25.284
3.5
111
16.800
17.857
18.000
18.286
23.810
24.000
24.381
Applicable Bit Rate (kbps) Settings with Bit Rate Prescaler = 4
Crystal vs Divider chart for CMX649
Divider values
1
2
2.25
2.625
3
3.125
Register bits
clk ctrl[5:3]
[2:0]
Crystal
000
001
010
011
100
101
Freq MHz clk ctrl[7:6]
4
11
15.625
4.032
11
15.750
4.096
11
16.000
8
11
31.250 15.625
8.064
11
31.500 15.750
8.192
11
32.000 16.000
11.2896
11
44.100 22.050 19.600 16.800
12
11
46.875 23.438 20.833 17.857 15.625 15.000
12.096
11
47.250 23.625 21.000 18.000 15.750 15.120
12.288
11
48.000 24.000 21.333 18.286 16.000 15.360
16
11
62.500 31.250 27.778 23.810 20.833 20.000
16.128
11
63.000 31.500 28.000 24.000 21.000 20.160
16.384
11
64.000 32.000 28.444 24.381 21.333 20.480
3.375
110
18.519
18.667
18.963
3.5
111
17.857
18.000
18.286
© 2003 CML Microsystems Plc
41
D/649/2
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