PI3HDMI301 Datasheet, PDF (6/16 Pages) Pericom Semiconductor Corporation – 3:1 Active Switch for HDMI Signals with Optimized Equalization for Enhanced Signal Integrity

ADVANCE INFORMATION - COMPANY CONFIDENTIAL
PI3HDMI301
3:1 Active Switch for HDMI™ Signals with
Optimized Equalization for Enhanced Signal Integrity
Truth Table
Control Pins
OE
S1
S2
L
H
x
I/O Selected
Hot Plug Detect Status
S3 TMDS outputs
SCL_Sink
SDA_Sink
HPD1
HPD2
HPD3
x
Port1
SCL1 SDA1 HPD_Sink
L
L
L
L
H
x
Port2
SCL2 SDA2
L
HPD_Sink
L
L
L
L
H
Port3
SCL3 SDA3
L
L
HPD_Sink
L
L
L
L
None (Hi-Z)
None (Hi-Z)
L
L
L
H
X
X
X
None (Hi-Z) Follow S1, S2, S3
Follow S1, S2, S3
OC Setting Value Logic Table
0 Input Control Pins
OC_S3⁽¹⁾ OC_S2⁽¹⁾ OC_S1⁽¹⁾
0
0
0
0
0
0
0
0
1
0
0
1
0
1
0
0
1
0
0
1
1
0
1
1
1
0
0
1
0
0
1
0
1
1
0
1
1
1
0
1
1
0
1
1
1
1
1
1
OC_S0⁽¹⁾
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Setting Value
Vswing (mV) Pre-emphasis/De-emphasis
(dB)
333
-9.5
500
-6
666
-3.5
1000
0
160
-9
270
-6
340
-3.5
500
0
500
6
500
3.5
500
1.5
500
0
600
0
1000
0
750
0
500
0
EQ Setting Value Logic Table for high speed data bits (TMDS CLK input is left at 3dB default always)
EQ_S1⁽¹⁾ EQ_S0⁽¹⁾
Setting Value
0
0
15dB on all high speed data inputs
0
1
3dB on all high speed data inputs
1
0
8dB on all high speed data inputs
1
1
Optimized Equalization on all high speed data inputs (Default setting which can support all
cable lengths from 1meter to 20meters)
Notes:
1) Integrated internal pull-ups
09-0054
6
All trademarks are property of their respective owners.
PS8959B
10/01/09