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PDF PI3WVR31310A Data sheet ( Hoja de datos )

Número de pieza PI3WVR31310A
Descripción DP/HDMI 1:3 De-mux/Mux switches
Fabricantes Pericom Semiconductor 
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No Preview Available ! PI3WVR31310A Hoja de datos, Descripción, Manual

PI3WVR31310A
DP/HDMI 1:3 De-mux/Mux switches
Features
ÎÎDP 1:3 De-Mux or 3:1 Mux switch with 4 high speed
differential, AUX/DDC, HPD and CAB_DET channels
ÎÎPin selection for 1:3 DEMUX or 3:1 MUX
ÎÎHDMI 3:1 Mux switch with 4 high speed differential, DDC
and HPD channels
ÎÎHDMI-mode only supports HDMI-sink application, not
support HDMI-source application.
ÎÎPin selection for DP mode or HDMI mode
ÎÎAll ports support up to DP1.2 at 5.4Gb/s or HDMI 2.0 at
6Gb/s
ÎÎSupports manual switching or HPD auto priority selection
in 1:3 DEMUX, in DP mode
ÎÎLow current consumption
ÎÎ3.3V power supply
ÎÎESD protection on all I/O pins for 2kV HBM
ÎÎPackage:
60 pin TQFN (5x9mm)
Description
Pericom Semiconductor’s PI3WVR31310A is a 3:1 Mux or 1:3
Demux high speed passive switch supporting DP 1.2, HDMI 1.4,
HDMI 2.0. At DEMUX mode, all three output ports support auto
port priority selection by detecting HPD1/2/3 input or manual
selection. At MUX mode, HPD1/2/3 will change from input to
output, there is no auto port priority selection.
Application
ÎÎNotebook, Monitor, Switch box or TV sink application
Block Diagram
CAB_SRC HPD_SRC
AUXP
AUXN
SDA
SCL
Control
Block
MUX
DEMUX
120KΩ[1]
120KΩ[1]
120KΩ[1]
120KΩ[1]
HPD1
HPD2
HPD3
CAB_1
CAB_2
CAB_3
AUX1P/SCL1
AUX1N/SDA1
AUX2P/SCL2
AUX2N/SDA2
AUX3P/SCL3
AUX3N/SDA3
D[0:3]P
D[0:3]N
OEB
PRI_SEL
SEL1
SEL0
DP_HDMI
DEMUX_MUX
All trademarks are property of their respective owners.
Port select
15-0139
Control & Status
Register
1
D[0:3]P1
D[0:3]N1
D[0:3]P2
D[0:3]N2
D[0:3]P3
D[0:3]N3
www.pericom.com 10/30/15

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PI3WVR31310A pdf
PI3W VR31310A
DP/HDMI 1:3 De-mux/Mux switches
Pin mapping for dual mode DP source DEMUX to DP output
DP mode
ML_lan0(P)
ML_lan0(N)
ML_lan1(P)
ML_lan1(N)
ML_lan2(P)
ML_lan2(N)
ML_lan3(P)
ML_lan3(N)
HDMI/DVI mode
TX2+
TX2-
TX1+
TX1-
TX0+
TX0-
TXC+
TXC-
WVR31310A
input pins
D0P
D0N
D1P
D1N
D2P
D2N
D3P
D3N
WVR31310A
port1 output
D0P1
D0N1
D1P1
D1N1
D2P1
D2N1
D3P1
D3N1
WVR31310A
port2 output
D0P2
D0N2
D1P2
D1N2
D2P2
D2N2
D3P2
D3N2
WVR31310A
port3 output
D0P3
D0N3
D1P3
D1N3
D2P3
D2N3
D3P3
D3N3
DP mode
ML_lan0(P)
ML_lan0(N)
ML_lan1(P)
ML_lan1(N)
ML_lan2(P)
ML_lan2(N)
ML_lan3(P)
ML_lan3(N)
Function Description
Default input format is DP. DP_HDMI can select between DP or HDMI input.
In Demux mode, there are 120K pull down in HPD1/HPD2/HPD3 pins. In Mux mode, there is 120K pull down in HPD_SRC pin.
Output port can be selected by manual or automatically in DEMUX mode.
Automatic port selection is done by detection of HPD presence from the output ports. If multiple HPD are detected, port selection
depends on a priority scheme defined by PRI_SEL pin. There can be 3 priority schemes. When PRI_SEL=low, the port priority order
is port1/port2/port3; when PRI_SEL=high, the port priority order is port2/port3/port1; when PRI_SEL=M (open), the port priority
order is port3/port1/port2.
When port 1 or port 2 or port 3 is selected in DP application, and CAB=LOW, AUX/DDC input pins are now AUX channel. AUXP
will have 100Kohm resistor to GND while AUXN will have 100Kohm resistor to VDD in external port side. Max. AUX data rate
can be 720Mb/s. DDC switch inside is off.
When port 1 or port 2 or port 3 is active in dual mode DP or HDMI application, and CAB=HIGH, AUX/DDC input pins are now
DDC channel. AUX switch inside is off, DDC switch is on. The DDC switch can support 5V input, and output Vpass is less than
3.3V limit.
HPD is CMOS buffer, and support 5v inputs. When used as DEMUX, There’re 120kΩ pull-down resistors inside connected to
HPD1, HPD2, HPD3 as input, and when used as MUX, 120k resistor connected to HPD_SRC as input.
All trademarks are property of their respective owners.
15-0139
5
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PI3WVR31310A arduino
PI3W VR31310A
DP/HDMI 1:3 De-mux/Mux switches
Dynamic Electrical Characteristics
Parameter Description
Test Conditions
SCL, SDA channel, AUX channel, CAB channel (passive switch)
tpd(DDC)
Propagation delay from SCLn/SDAn to
SCL/SDA or SCL/SDA to SCLn/SDAn
In passive SW on.
CL = 10pF, in passive switch
CL = 10pF, in active switch
(1.5k to 5k pull high, 10pf to
GND)
Control and Status Pins (HPDn, HPD_SRC)
tpd(HPD)
tsx(HPD)
Propagation delay (from HPDx to the
active port of HPD_SRC, high to low)
Switch time (from port select to the
latest HPD )
CL = 10pF, manual selection
mode; auto mode refer to auto
timing
XTALK
Crosstalk on High Speed Channels
See Fig.1 for
Measurement
Setup
f = 2.7 GHz
f = 3.0 GHz
OIRR
See Fig. 2 for
OFF Isolation on High Speed Channels Measurement
Setup
f = 2.7 GHz
f = 3.0 GHz
ILOSS
Differential Insertion Loss on High
speed channels
@5.4Gbps (see figure 3, Vcom
= 0V)
ILOSS
Differential Insertion Loss on High
Speed HDMI Channels
@6Gbps (see figure 3, Vcom =
3.0V)
Rloss
Differential Return Loss on High speed
channels
@ 2.7GHz (5.4Gbps)
BW_Dx±
Bandwidth -3dB for Main High speed
path (Dx±)
See figure 3
BW_Dx±
Bandwidth -3dB for Main high speed
HDMI path (Dx±)
See figure 3
BW_AUX
Bandwidth -3dB for AUX
See figure 3
Tsw a-b
time it takes to switch from port A to
port B
Manual selection
Tsw b-a
time it takes to switch from port B to
port A
Manual selection
Tstartup
Twakeup
Vdd valid to channel enable
Enabling output by changing OEB
from High to Low
Manual selection
Manual selection
Min. Typ.(1) Max. Unit
5
ns
60
10 ns
5 us
-26 -23
-24 -21
dB
-21 -19
-21 -19
-1.8 -1.6
dB
-2.5 dB
-18 -15 dB
5.0 5.4
GHz
4.7 5.0
GHz
1.2 1.5
GHz
1 us
1 us
10 us
10 us
All trademarks are property of their respective owners.
15-0139
11
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