SI5325C-C-GM Datasheet, PDF (80/178 Pages) Silicon Laboratories – ANY-FREQUENCY PRECISION CLOCKS

Si53xx-RM
Table 35. CKIN3/CKIN4 Frequency Selection (CK_CONF = 1)
CKLNnRATE[2:0]
000
001
010
011
100
101
110
111
CKINn Frequency (kHz)
2–4
4–8
8–16
16–32
32–64
64–128
128–256
256–512
Divisor
1
2
4
8
16
32
64
128
DCO,
4.85 GHz
to 5.67 GHz
 N1_HS
 NC2_LS
 NC5_LS
CKOUT2
FS_OUT
CKIN3
CKIN4
 CLKIN3RATE
 CLKIN4RATE
to align
Typically the same frequency
Clock select
Figure 30. Frame Sync Frequencies
80
Rev. 1.2