TMDS261B Datasheet, PDF (34/48 Pages) Texas Instruments – TWO-PORT HDMI SWITCH

TMDS261B
SLLS987A – SEPTEMBER 2009 – REVISED JULY 2011
HPD
5V
SDA
SOURCE
SCL
with AC coupled
CEC
HDMI output
CLK
D0
D1
D2
SINK
HPD
5V
SDA
SCL
CEC
CLK
D0
D1
D2
5V
47kW
CEC E-EDID
CEC
PHY
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HPDx
SDAx
SCLx
Ax1/Bx1
Ax2/Bx2
Ax3/Bx3
Ax4/Bx4
VDD
VCC
(5V)
(3.3V)
EQ
S1
S2
SDA SCL
mController
CEC
LOGIC
GND
HPD_SINK
1kW
3.3V
4.7kW
SDA_SINK
SCL_SINK
4.7kW
DDC_SDA
DDC_SCL
Y1/Z1
Y2/Z2
Y3/Z3
Y4/Z4
VSadj
HDMI RX
Y1/Z1
Y2/Z2
Y3/Z3
Y4/Z4
4.02kW 10%
Figure 47. Two-Port HDMI-Enabled DTV With TMDS261B – AC-Coupled Source – CEC Commands Active
HPD
5V
SDA
SOURCE
SCL
with DC coupled ^CEC
HDMI output
CLK
D0
D1
D2
SINK
HPD
5V
SDA
SCL
CEC
CLK
D0
D1
D2
1kW
5V
47kW
CEC E-EDID
CEC
PHY
HPDx
SDAx
SCLx
Ax1/Bx1
Ax2/Bx2
Ax3/Bx3
Ax4/Bx4
VDD
VCC
(5V)
(3.3V)
EQ
S1
S2
SDA SCL
mController
CEC
LOGIC
GND
HPD_SINK
1kW
3.3V
4.7kW
SDA_SINK
SCL_SINK
4.7kW
DDC_SDA
DDC_SCL
Y1/Z1
Y2/Z2
Y3/Z3
Y4/Z4
VSadj
HDMI RX
Y1/Z1
Y2/Z2
Y3/Z3
Y4/Z4
4.02kW 10%
Figure 48. Two-Port HDMI-Enabled DTV With TMDS261B – DC-Coupled Source – CEC Commands Active
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