Datasheet

TMDS361B

SLLS988A –SEPTEMBER 2009–REVISED JULY 2011

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Table 1. Source Selection Lookup

(1)

CONTROL PINS I/O SELECTED HOT-PLUG DETECT STATUS Power Mode

SCL_SINK

S2 S1 Port Selected HPD1 HPD2 HPD3

SDA_SINK

Port 1

Terminations of SCL1

H H HPD_SINK L L Normal mode

port 2 and port 3 SDA1

are disconnected.

Port 2

Terminations of SCL2

H L L HPD_SINK L Normal mode

port 1 and port 3 SDA2

are disconnected.

Port 3

Terminations of SCL3

L L L L HPD_SINK Normal mode

port 1 and port 2 SDA3

are disconnected.

None (Z)

None (Z) Are pulled HIGH

L H All terminations are by external HPD_SINK HPD_SINK HPD_SINK Standby mode

disconnected. pullup

termination

(1) H: Logic high; L: Logic low; X: Don't care; Z: High impedance