Document
PI3WVR31212A
DP/HDMI 1:2 De-multiplexer switches
Features
ÎÎDP/HDMI 1:2 De-multiplexer switch with 4 high speed differential channel and AUX/DDC, HPD and CAB_DET signal channels
ÎÎOne passive output ports for DP1.2 at 5.4Gbps ÎÎOne active output port with integrated DP to HDMI re-
driver (level shifter) supports HDMI 1.4 at 3.4Gbps ÎÎPin control mode supports auto port priority selection ÎÎPin control mode supports port2 with DDC bi-direction
buffer switch only ÎÎI2C control mode supports auto port priority selection ÎÎI2C control mode supports port2 with 8 levels equalization
and 5 levels pre-emphasis ÎÎI2C control mode supports port2 with either DDC bi-
direction buffer switch or DDC passive switch ÎÎVery low operating power when passive port1 is selected ÎÎ3.3V power supply ÎÎ2KV HBM ESD protection for all I/O pins of port1 and all
control pins ÎÎ8kV contact ESD (IEC61000-4-2) protection for all output
pins in port2 ÎÎPackaging: 60 pin TQFN package (5x9mm, 0.4mm pitch) ÎÎSupport Type 2 cable ID register
Description
PI3WVR31212A has one passive output port1, one active (DP to HDMI) output port2. Passive output supports DP1.2 at 5.4Gbps in I2C mode. Active port2 supports HDMI1.4b at 3.4Gbps.All two output ports support auto port priority selection. Input port accepts DP1.2 and DP++ signals associated with output ports as described above.
Application
ÎÎNotebook and dongle
Pin Configuration: TQFN-60
AUXN AUXP SCL2 SDA2 GND GND NC AUX1P/SCL1 AUX1N/SDA1 CAB_1
OEB
SCL
SDA
VDD HPD_SRC CAB_SRC
D0P D0N D1P D1N D2P D2N D3P D3N SDA_CTL/PRI_SEL SCL_CTL/EQ I2C_A1/PRE_EMP I2C_A2/ROUT_SEL
HPD2 GND
60 59 58 57 56 55 54 53 52 51
1 50
2 49
3 48
4 47
5 46
6 45
7 44
8 43
9
Center Pad
42
10 11 12
TQFN-60 5x9 mm
41 40 39
13 38
14 37
15 36
16 35
17 34
18 33
19 32
20 31
21 22 23 24 25 26 27 28 29 30
VDD
D0P1 D0N1
D1P1 D1N1 D2P1 D2N1 D3P1 D3N1 GND NC NC NC GND NC NC GND CEXT
HPD1
MS
CLKN2 CLKP2
VDD D0N2 D0P2 D1N2 D1P2 VDD D2N2 D2P2
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Block Diagram
VDD
AUXP AUXN
SDA SCL
D[0:3]P D[0:3]N
OEB MS PRI_SEL EQ PRE_EMP ROUT_SEL
PI3W VR31212A
DP/HDMI 1:2 De-multiplexer switches
CEXT CAB_SRC HPD_SRC
LDO Port select
120KΩ 120KΩ
HPD1 HPD2
CAB_1
100KΩ pull High
AUX1P/SCL1 AUX1N/SDA1
Cable ID
SDA2 SCL2
0//VDD
D[0:3]P1 D[0:3]N1
VDD
RT RT
Rpd Rpd
GND
Control & Status Register
ROUT
ROUT D[0:3]P2 D[0:3]N2
I2C Controller
SDA_CTL SCL_CTL (share pins)
I2C_A1, A2 (share pins)
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Pin Description
Pin#
7 9 11 13 8 10 12 14 49 47 45 43 48 46 44 42 25 27 30 22 24 26 29 21 52 53 57 58 60 59 3 2 32 19 5
Pin Name
D0P D1P D2P D3P D0N D1N D2N D3N D0P1 D1P1 D2P1 D3P1 D0N1 D1N1 D2N1 D3N1 D0P2 D1P2 D2P2 CLKP2 D0N2 D1N2 D2N2 CLKN2 AUX1N/SDA1 AUX1P/SCL1 SDA2 SCL2 AUXN AUXP SDA SCL HPD1 HPD2 HPD_SRC
PI3W VR31212A
DP/HDMI 1:2 De-multiplexer switches
Signal Type Descriptio.