TMDS261B Datasheet, PDF (6/48 Pages) Texas Instruments – TWO-PORT HDMI SWITCH

TMDS261B
SLLS987A – SEPTEMBER 2009 – REVISED JULY 2011
Table 1. Source Selection Lookup⁽¹⁾
CONTROL PINS
S2
S1
H
H
H
L
L
L
L
H
I/O SELECTED
Port Selected
SCL_SINK
SDA_SINK
Port 1
Terminations of port 2
are disconnected.
SCL1
SDA1
Port 2
Terminations of port 1
are disconnected.
SCL2
SDA2
Disallowed
(Indeterminate state, all
terminations are
None (Z)
disconnected)
Are pulled HIGH by
external pullup
None (Z)
termination
All terminations are
disconnected.
HOT-PLUG DETECT STATUS
HPD1
HPD2
HPD_SINK
L
L
HPD_SINK
L
L
HPD_SINK
HPD_SINK
(1) H: Logic high; L: Logic low; X: Don't care; Z: High impedance
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Power Mode
Normal mode
Normal mode
Normal Mode
Standby mode
6
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