SI52143 Datasheet, PDF (15/21 Pages) Silicon Laboratories – PCI-EXPRESS GEN 1, GEN 2, & GEN 3 QUAD OUTPUT CLOCK GENERATOR WITH 25 MHZ REFERENCE CLOCK

Si52143
Control Register 5. Byte 5
Bit
D7
D6
D5
D4
D3 D2 D1 D0
Name DIFF_Amp_Sel DIFF_Amp_Cntl[2] DIFF_Amp_Cntl[1] DIFF_Amp_Cntl[0]
Type
R/W
R/W
R/W
R/W
R/W R/W R/W R/W
Reset settings = 11011000
Bit
Name
Function
7
DIFF_Amp_Sel Amplitude Control for DIFF Differential Outputs.
0: Differential outputs with Default amplitude.
1: Differential outputs amplitude is set by Byte 5[6:4].
6
DIFF_Amp_Cntl[2]
DIFF Differential Outputs Amplitude Adjustment.
5
DIFF_Amp_Cntl[1] _{000: 300 mV 001: 400 mV 010: 500 mV 011: 600 mV}
100: 700 mV 101: 800 mV 110: 900 mV 111: 1000 mV
4
DIFF_Amp_Cntl[0]
3:0
Reserved
Rev 1.3
15