Texas Instruments LMH0318 Programmer's Manual page 14

Device Configuration
4.2.11 OUT0 and OUT1 Mode Selection
The LMH0318 75-Ω OUT0 and 50-Ω OUT1 can be configured to drive out the reclocked data, raw data
(i.e non reclocked), clock, or these outputs to be muted (common mode voltage on both positive and
negative output signal).
4.2.11.1 OUT0 and OUT1 Default Mode of Operation
In default mode, register 0x1C[3:2] determine the output configuration for both outputs per following table.
0x1C[3:2} OUT0
00 Mute
01 Locked: Reclocked Data
Unlocked: Raw Data
10 Locked: Reclocked Data
Unlocked: Raw Data
11 Forced Raw Data
The following can be used to set OUT0 and OUT1 configuration:
RAW FF 04
RAW 09 00
RAW 1C 00
RAW 1C 04
RAW 1C 80
RAW 1C 0C
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LMH0318 Programming Guide
OUT1
Mute
Full data rate clock
Unlocked: Mute
Locked: Reclocked Data
Unlocked: Raw Data
Forced Raw Data
07 //Select Channel Registers
20 //Allow register 0x1C to control OUT0 and OUT1 configuration
0C //Mute OUT0 and OUT1
0C //Locked: OUT0 Reclocked Data OUT1 Recovered Clock Un-Locked: OUT0
Raw Data OUT1 Mute
0C //Locked: OUT0: Reclocked Data OUT1: Reclocked Data Un-Locked: OUT0
Raw Data OUT1 Raw data
0C //OUT0 Raw Data OUT1 Raw Data
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SNLU183 – September 2015
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