TMDS261
www.ti.com ............................................................................................................................................................................................ SLLS953–DECEMBER 2008
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
RINT
RINT
Dx+_1
Dx–_1
TMDS Rx
w/ AEQ
VCC
RINT
RINT
CLK+_1
CLK–_1
TMDS Rx
Clock Detect
VSadj
Tx
SCL1
SDA1
Rx
Dx+_SINK
Dx–_SINK
TMDS Tx
Tx
Rx
2:1
MUX
CLK+_SINK
CLK–_SINK
VCC
TMDS Tx
RINT RINT
Dx+_2
Dx–_2
Rx
Tx
Rx
Tx
TMDS Rx
w/ AEQ
SCL_SINK
SDA_SINK
VCC
RINT
RINT
CLK+_2
CLK–_2
TMDS Rx
Clock Detect
Clock Detect
Tx
Rx
Tx
SCL2
SDA2
Rx
HPD_SINK
I2C_SEL
LP
1 kW
1 kW
HPD1
HPD2
Local I2C
and
Control Logic
S1/SCL
S2/SDA
B0330-02
Copyright © 2008, Texas Instruments Incorporated
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