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PI3WVR31313A Datasheet, PDF (4/27 Pages) Pericom Semiconductor Corporation – DP/HDMI 1:3 De-multiplexer switches
PI3W VR31313A
DP/HDMI 1:3 De-multiplexer switches
pin#
52
55
53
56
57
58
60
59
3
2
32
20
19
5
51
54
6
1
15
16
17
18
31
33
4, 23, 28, 50
Center Pad
pin Name
AUX1N/SDA1
AUX2N/SDA2
AUX1P/SCL1
AUX2P/SCL2
SDA3
SCL3
AUXN
AUXP
SDA
SCL
HPD1
HPD2
HPD3
HPD_SRC
CAB_1
CAB_2
CAB_SRC
OEB
SDA_CTL/PRI_SE
SCL_CTL/EQ
I2C_A1/PRE_EMP
I2C_A2/ROUT_SEL
MS
CEXT
VDD
GND
Signal Type Description
IO
AUX (DP) or DDC (HDMI) to three ports
IO
AUX to DP-source
IO
I
I
I
O
IO
I
I
IO
I
I
I
O
Power
Ground
DDC to DP-source
HPD1-3 for port1-3;
HPD_SRC to DP-source
CAB_1: CAB_DET to port1
CAD_2: CAB_DET to port2
CAB_SRC: CAB_DET to DP-source
No CAB_DET for HDMI port3
OEB=0, device active; OEB=1, device shut down
MS=0, PRI_SEL selects priority in pin control mode;
MS=1, SDA_CTL as SDA in I2C control mode
MS=0, EQ selects equalization in pin control mode;
MS=1, SCL_CTL as SCL in I2C control mode
MS=0, PRE_EMP selects Pre-emphasis in pin control mode;
MS=1, I2C_A1 as I2C address A1 in I2C control mode
MS=0, ROUT_SEL selects source termination in pin control
mode;
MS=1, I2C_A2 as I2C address A2 in I2C control mode
Mode Select: MS pin with weak pull low resistor > 500Kohm
MS=0 or half VDD input level for pin control mode,
MS=1 for I2C control mode
Internal LDO bypass capacitance, 4.7uf to GND
3.3V VDD
Bottom GND EPAD
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15-0162
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www.pericom.com 12/03/15