LMH0384 Datasheet, PDF (14/16 Pages) National Semiconductor (TI) – 3 Gbps HD/SD SDI Extended Reach and Configurable Adaptive Cable Equalizer

Address R/W Name
02h R/W Launch
Amplitude
03h
R CLI
04h
R Device ID
Bits Field
7 Coarse Control
6:3 Fine Control
2:0 Reserved
7:3 CLI
2:0 Reserved
7:0 Die Revision
Default Description
0
Coarse launch amplitude optimization.
0: Normal optimization with no external attenuation (800
mV_P-P launch amplitude).
1: Optimized for 6 dB external attenuation (400 mV_P-P
launch amplitude).
0000
Launch amplitude optimization fine tuning.
0000: Nominal.
0001: -4% from nominal.
0010: -8% from nominal.
0011: -11% from nominal.
0100: -14% from nominal.
0101: -17% from nominal.
0110: -20% from nominal.
0111: -22% from nominal.
1000: Nominal.
1001: +4% from nominal.
1010: +9% from nominal.
1011: +14% from nominal.
1100: +20% from nominal.
1101: +26% from nominal.
1110: +33% from nominal.
1111: +40% from nominal.
000 Reserved as 000. Always write 000 to these bits.
Cable Length Indicator. Provides an indication of the length
of cable attached to the input. CLI increases as the cable
length increases.
000 Reserved.
00000010 Die revision.
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