DS90UH948-Q1 Datasheet, PDF (34/91 Pages) Texas Instruments – FPD-Link III to OpenLDI Deserializer

DS90UH948-Q1
SNLS473A – OCTOBER 2014 – REVISED JANUARY 2016
Deserializer
Serializer
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D[7:0]+
D[7:0]-
CLK1+
CLK1-
VDD33
MODE_SEL
I2S_CLK
I2S_WC
I2S_Dx
VDD33
IDx
INTB_IN
Optional
VDDIO
VDD33
D[7:0]+
D[7:0]-
CLK+
CLK-
VDD33
I2S_CLK
I2S_WC
I2S_Dx
REPEAT
INTB
VDD33
IDx
SDA
SCL
SDA
SCL
Figure 27. HDCP Repeater Connection Diagram
8.3.14.2.2.1 Repeater Fan-out Electrical Requirements
Repeater applications requiring fan-out from one DS90UH948-Q1 Deserializer to up to three DS90UH947-Q1
Serializers requires special considerations for routing and termination of the FPD-Link differential traces.
Figure 28 details the requirements that must be met for each signal pair:
L3 < 60 mm
TX
RX
R1=100
R2=100
TX
L1 < 75 mm
L2 < 60 mm
TX
L3 < 60 mm
Figure 28. FPD-Link Fan-Out Electrical Requirements
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