PI3HDMI336 Datasheet, PDF (2/22 Pages) Pericom Semiconductor Corporation – 3:1 ActiveEye HDMI Switch with I2C Control & ARC Transmitter

Block Diagram
Port A TMDS Input
CK+/-A,D1+/-[1..3]
RT=50 Ohm
Rpd = 200K Ohm
Port B TMDS Input
CK+/-B,D2+/-[1..3]
RT=50 Ohm
Rpd = 200K Ohm
Port C TMDS Input
CK+/-C,D3+/-[1..3]
RT=50 Ohm
Rpd = 200K Ohm
HPD_A
HPD_B
HPD_C
5V_PORT[A..C]
SCL_A, SDA_A
SCL_B, SDA_B
SCL_C, SDA_C
SPDIF_IN
VDD
RT
RPD
VDD
RT
VDD
RPD
RT
RPD
PI3HDMI336
3:1 ActiveEye™ HDMI™ Switch with
I²C Control & ARC Transmitter
EQ
Port A
Port B
VDD
Rout
MUX
D+/- [1..3]
CK+/-
/OE
Port C
MUX
I2C Controller
HPD
Control & Status
Register
DDC Bu er or
Passive Switch
SCL/SDA_CTL
HPD_SINK
INT_OUT
SCL/SDA_SINK
ARC_OUT
Pin Description
Pin #
Pin Name
5, 19, 29, 44, 57 V_DD
13
8, 24, 41, 54
32
62
49
36
2
1
4
3
7
12-0237
SVDD
GND
HPD_SINK
HPD_A
HPD_B
HPD_C
CK+A
CK-A
D1+A
D1-A
D2+A
IO
Power
Power
Ground
I
O
O
O
Descriptions
3.3V power supply. When VDD is off, the TMDS channels and ARC will
be powered down.
3.3V standby power supply. SVDD is for side band signals (HPD, DDC
channel and the I²C control register unit).
Ground connection
Sink side hot plug detector input; internal pull-down at 120K W.
Port A HPD output
Port B HPD output
Port C HPD output
I
Port A TMDS inputs. Rt=50ohm; Rpd=200kW.
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www.pericom.com 07/28/2012