PI3VDP612 Datasheet, PDF (4/15 Pages) Pericom Semiconductor Corporation – High Bandwidth 6-differential Channel, 1:2 Demux for DisplayPortTM rev 1.1a Signal Switching

Truth Table (SEL control)
Function
SEL
Port A is active
L
Port B is active
H
PI3VDP612
High Bandwidth 6-differential channel, 1:2 Demux
for DisplayPortTM rev 1.1a Signal Switching
Truth Table (Latch control)
LE
SEL
0
Responds to changes on SEL
1
Latched
Application Example for single mode DP support
Notebook
DISPLAY
PORT ^T_X
VDD
1.2V Max Vswing
Min Vswing
0V
Vbias_Tx
50
+^Ω
-
HPD
50
Ω
5-Differential
LED
DISPLAY
PORT
HPD
GND/3.3V
100kΩ
x2
+
-
Note: if the Max Vswing (in single-ended mode) of the signals to
PI3VDP612 exceeds 1.2V, then AC coupling capacitors are needed
between the 50ohm terminations and PI3VDP612.
LED
Driver
HPD
DOCKING
CONNECTOR
GND/3.3V
100kΩ
x2
LED
Application Example for Dual Mode Display Port Support
Intel Chipset
Dual Mode DP
DDC
Driver
PI3VDP612
AUX/DDC
Dual Mode DP #1
CAB_DET1
Dual
Mode
DP
AUX/DDC #1
AUX
Driver
PI3C3306
CAB_DET
1Mohm
CAB_DET2
Dual Mode DP #2
Dual
Mode
DP
AUX/DDC #2
11-0002
4
PS8928D
11/03/10