STDVE003A_08 Datasheet, PDF (5/41 Pages) STMicroelectronics – Adaptive 3.4 Gbps 3:1 TMDS/HDMI signal equalizer

STDVE003A
1
Block diagram
Figure 1. STDVE003A block diagram
HDMI input
port A
HDMI input
port B
HDMI input
port C
DDC port A
DDC port B
DDC port C
S1,S2,S3
HPD port A
HPD port B
HPD port C
3:1
HDMI
input
select
switch
Input stage
Equalizer
Output
driver/
transmitter
2
2
DDC 2
switch
I ²C
repeater
2
HPD
analog
switch
Block diagram
HDMI output
port Y
DDC
port Y
HPD
port Y
CS00061
Figure 2. Equalizer functional diagram (one signal pair)
S1, S2, S3
Data+
Data-
50 Ω
termination
selectable
Pre-amp
Switch
(3:1)
Equalizer
Quantizer
Data+
Output
I
driver
Data-
OE_N
REXT
Current control
AM00715V1
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