PI3WVR31313A Datasheet, PDF (6/27 Pages) Pericom Semiconductor Corporation – DP/HDMI 1:3 De-multiplexer switches

PI3W VR31313A
DP/HDMI 1:3 De-multiplexer switches
Truth Table for TMDS port3
EQ – three level pin control
PRE-EMP – three level pin control
EQ
Equalization value
0
1.5dB
open
4.0dB
1
6.5dB
PRE_EMP
0
open
1
TX pre-emphasis
0dB
1.5dB
2.5dB
ROUT_SEL
ROUT_SEL Pull-Up Resistors on port3 D[0:3]P3, D[0:3]N3
0
No Pull-up resistors
1
50Ω Pull-up resistors to VDD
MS – three level pin control
MS
Pin mode/type cable ID
0
M(0.5*vdd)
1
Pin mode for Type 2 ID
Pin mode for Type 1 ID
I2C mode
Priority Selection Table
PRI_SEL
(Priority order) HPD1
0
0
HPD2
0
HPD3
0
HPD_SRC
0
0
1
x
x
HPD1
0
0
1
x
HPD2
0
0
0
1
HPD3
M
0
0
0
0
M
1
x
0
HPD1
M
0
1
0
HPD2
M
x
x
1
HPD3
1
0
0
0
0
1
1
x
x
HPD1
1
0
1
0
1
0
x
1
Note: M=internal half VDD when input=HiZ
HPD2
HPD3
CAB_SRC
Hi-Z
CAB1=0
CAB1=1
CAB2=0
CAB2=1
High
Hi-Z
CAB1=0
CAB1=1
CAB2=0
CAB2=1
High
Hi-Z
CAB1=0
CAB1=1
CAB2=0
CAB2=1
High
AUXP/AUXN
Hi-Z
AUX1P/AUX1N
Hi-Z
AUX2P/AUX2N
Hi-Z
Hi-Z
Hi-Z
AUX1P/AUX1N
Hi-Z
AUX2P/AUX2N
Hi-Z
Hi-Z
Hi-Z
AUX1P/AUX1N
Hi-Z
AUX2P/AUX2N
Hi-Z
Hi-Z
SDA/SCL
Hi-Z
Hi-Z
SDA1/SCL1
Hi-Z
SDA2/SCL2
SDA3/SCL3
Hi-Z
Hi-Z
SDA1/SCL1
Hi-Z
SDA2/SCL2
SDA3/SCL3
Hi-Z
Hi-Z
SDA1/SCL1
Hi-Z
SDA2/SCL2
SDA3/SCL3
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15-0162
6
www.pericom.com 12/03/15