SI5375 Datasheet, PDF (36/54 Pages) Silicon Laboratories – 4-PLL ANY-FREQUENCY PRECISION CLOCK MULTIPLIER/JITTER ATTENUATOR

Si5375
Register 45.
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
N31[7:0]
Type
R/W
Reset value = 0000 1001
Bit
Name
Function
7:0
N31[7:0] N31[7:0].
Sets value for input divider for CKIN1.
0000000000000000000 = 1
0000000000000000001 = 2
0000000000000000010 = 3
...
1111111111111111111 = 2¹⁹
Valid divider values = [1, 2, 3, ..., 2¹⁹]
Register 46.
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
N32[18:16]
Type
R
R
R
R
R
R/W
Reset value = 0000 0000
Bit
Name
Function
7:3 Reserved
2:0 N32[18:16] N32[18:16].
Sets value for input divider for OSC clock input operation.
0000000000000000000 = 1
0000000000000000001 = 2
0000000000000000010 = 3
...
1111111111111111111 = 2¹⁹
Valid divider values=[1, 2, 3, ..., 2¹⁹]
36
Rev. 1.0