- Silicon Laboratories, Inc. Clock User Manual

Si53xx-RM
Rev. 0.5 57
Table 17. Datacom Clock Multiplication Settings (FRQTBL = M, CK_CONF = 0)
Setting FRQSEL[3:0]
WB
f
IN
(MHz) Mult Factor f
OUT
* (MHz)
0LLLL

15.625 2 31.25
1LLLM

462.5
2 LLLH

8125
3LLML

16 250
4LLMM

25 17/4 106.25
5 LLMH

5125
6 LLHL 25/4 x 66/64 161.13
7 LLHM 51/8 x 66/64 164.36
8 LLHH 25/4 x 66/64 x 255/238 172.64
9 LMLL 25/4 x 66/64 x 255/237 173.37
10 LMLM 51/8 x 66/64 x 255/238 176.1
11 LMLH 51/8 x 66/64 x 255/237 176.84
12 LMML

17/2 212.5
13 LMMM

17 425
14 LMMH 25 x 66/64 644.53
15 LMHL 51/2 x 66/64 657.42
16 LMHM 25 x 66/64 x 255/238 690.57
17 LMHH 25 x 66/64 x 255/237 693.48
18 LHLL 51/2 x 66/64 x 255/238 704.38
19 LHLM 51/2 x 66/64 x 255/237 707.35
20 LHLH

31.25 2 62.5
21 LHML

4125
22 LHMM

8250
23 LHMH

53.125 2 106.25
24 LHHL

4212.5
25 LHHM

8425
26 LHHH

106.25 3/2 x 66/64 164.36
27 MLLL 3/2 x 66/64 x 255/238 176.1
28 MLLM 3/2 x 66/64 x 255/237 176.84
29 MLLH

2212.5
30 MLML

4425
31 MLMM

6x66/64 657.42
32 MLMH 6 x 66/64 x 255/238 704.38
33 MLHL 6 x 66/64 x 255/237 707.35