6

PS8959B

10/01/09

PI3HDMI301

3:1 Active Switch for HDMI™ Signals with

Optimized Equalization for Enhanced Signal Integrity

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OC Setting Value Logic Table

0 Input Control Pins

Setting Value

Vswing (mV)

Pre-emphasis/De-emphasis

(dB)

0

0

0

0

333

-9.5

0

0

0

1

500

-6

0

0

1

0

666

-3.5

0

0

1

1

1000

0

0

1

0

0

160

-9

0

1

0

1

270

-6

0

1

1

0

340

-3.5

0

1

1

1

500

0

1

0

0

0

500

6

1

0

0

1

500

3.5

1

0

1

0

500

1.5

1

0

1

1

500

0

1

1

0

0

600

0

1

1

0

1

1000

0

1

1

1

0

750

0

1

1

1

1

500

0

EQ Setting Value Logic Table for high speed data bits (TMDS CLK input is left at 3dB default always)

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

Truth Table

Control Pins

I/O Selected

Hot Plug Detect Status

OE

S1

S2

S3

TMDS outputs

SCL_Sink

SDA_Sink

HPD1

HPD2

HPD3

L

H

x

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

09-0054