PI3WVR31310A
PI3WVR31310A is DP/HDMI 1:3 De-mux/Mux switches manufactured by Pericom Semiconductor.
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 2k V HBM ÎÎPackage: 60 pin TQFN (5x9mm)
Description
Peri 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
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Port select
15-0139
Control & Status Register
D[0:3]P1 D[0:3]N1 D[0:3]P2 D[0:3]N2
D[0:3]P3 D[0:3]N3
.peri.10/30/15
Pin Configuration: TQFN-60
PI3W VR31310A
DP/HDMI 1:3 De-mux/Mux switches
D0P1 D0N1 D1P1 D1N1 D2P1 D2N1 D3P1 D3N1 PRI_SEL OEB
D0P D0N
D1P D1N
D2P D2N
D3P D3N SEL1 SEL0 HPD_SRC CAB_SRC CAB_3 HPD3 DEMUX_MUX AUXP...