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| DS90UH947-Q1 Datasheet, PDF (28/87 Pages) Texas Instruments – 1080p OpenLDI to FPD-Link III Serializer with HDCP | |||
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DS90UH947-Q1
SNLS455 â NOVEMBER 2014
Deserializer
Serializer
www.ti.com
D[7:0]+
D[7:0]-
CLK1+
CLK1-
VDD33
MODE_SEL1
I2S_CLK
I2S_WC
I2S_Dx
VDD33
IDx
INTB_IN
Optional
VDDIO
VDD33
D[7:0]+
D[7:0]-
CLK+
CLK-
VDD18
MODE_SEL0
I2S_CLK
I2S_WC
I2S_Dx
INTB
VDD18
IDx
SDA
SCL
SDA
SCL
Figure 26. 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 27 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 27. FPD-Link Fan-Out Electrical Requirements
28
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