PI3HDMI336 Datasheet, PDF (11/22 Pages) Pericom Semiconductor Corporation – 3:1 ActiveEye HDMI Switch with I2C Control & ARC Transmitter

PI3HDMI336
3:1 ActiveEye™ HDMI™ Switch with
I²C Control & ARC Transmitter
Figure 2: ARC single mode signal output waveform
+Veh - swing
Veh
-Veh - swing
+Veh -swing
-Veh-swing
Veh = 0~5V
+Veh -swing = 250mV
-Veh-swing = 250mV
DDC Channel Application Diagram
SCL_A
SDA_A
SCL_B
SDA_B
SCL_C
SDA_C
Rup
SCL_SINK
SDA_SINK
Rup
Controller
Chip
3:1
Mux
Selectable
DDC Buffer or
Passive Switch
DDC Source Side
HDMI Sink Device
V_OL = 0.7V/0.85V
V_OL = External
V_IH >= 2V
V_IL =< 0.4V
I2C block uses "low V_IL <= 0.4V and 0.7V <= 0.85V" to define the signal direction, exit from system lock
12-0237
11
www.pericom.com 07/28/2012