TMDS261B Datasheet, PDF (3/48 Pages) Texas Instruments – TWO-PORT HDMI SWITCH

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TMDS261B
SLLS987A – SEPTEMBER 2009 – REVISED JULY 2011
are four settings of the rise and fall times that can be chosen. The default setting is the fastest rise and fall
time; the other three settings are slower. Slower edge transitions can potentially help the sink system (HDTV)
in passing regulatory EMI compliance.
FUNCTIONAL BLOCK DIAGRAM
o
VCC
R_INT R_INT
Dx+_1
Dx–_1
VCC
TMDS Rx
w/ AEQ
CLK+_1
CLK–_1
R_INT R_INT
TMDS Rx
Clock Detect
Tx
SCL1
Rx
Tx
SDA1
Rx
VCC
Dx+_2
R_INT R_INT
Dx–_2
VCC
TMDS Rx
w/ AEQ
CLK+_2
CLK–_2
R_INT R_INT
TMDS Rx
Clock Detect
Tx
SCL2
Rx
Tx
SDA2
Rx
1 kW
HPD1
1 kW
HPD2
2:1
MUX
Clock Detect
TMDS Tx
VSadj
Dx+_SINK
Dx–_SINK
TMDS Tx
Rx
Tx
Rx
Tx
CLK+_SINK
CLK–_SINK
SCL_SINK
SDA_SINK
Local I²C
and
Control Logic
HPD_SINK
I2C_SEL
LP
S1/SCL
S2/SDA
B0330-02
Copyright © 2009–2011, Texas Instruments Incorporated
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