SI5324C-C-GM Datasheet, PDF (26/72 Pages) Silicon Laboratories – ANY-FREQUENCY PRECISION CLOCK MULTIPLIER/ JITTER ATTENUATOR

Si5324
Register 1.
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
CK_PRIOR2 [1:0]
CK_PRIOR1 [1:0]
Type
R
R
R
R
R/W
R/W
Reset value = 1110 0100
Bit
Name
Function
7:4 Reserved Reserved.
3:2 CK_PRIOR2 CK_PRIOR 2.
[1:0]
Selects which of the input clocks will be 2nd priority in the autoselection state machine.
00: CKIN1 is 2nd priority.
01: CKIN2 is 2nd priority.
10: Reserved
11: Reserved
1:0 CK_PRIOR1 CK_PRIOR 1.
[1:0]
Selects which of the input clocks will be 1st priority in the autoselection state machine.
00: CKIN1 is 1st priority.
01: CKIN2 is 1st priority.
10: Reserved
11: Reserved
Register 2.
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
BWSEL_REG [3:0]
Type
R/W
R
R
R
R
Reset value = 0100 0010
Bit
Name
Function
7:4 BWSEL_REG BWSEL_REG.
[3:0]
Selects nominal f3dB bandwidth for PLL. See the DSPLLsim for settings. After
BWSEL_REG is written with a new value, an ICAL is required for the change to take
effect.
3:0 Reserved Reserved.
26
Rev. 1.0