PI3HDX412BD

3.4Gbps HDMI 1.4b 1:2 Splitter/Demux with Equalization & Pre-emphasis

3

www.pericom.com

03/24/14

All trademarks are property of their respective owners.

Pin # Pin Name

Type Description

1

MS

I

Mode Selection Pin. Internal pull-up at 100K Ohm.

"Low" : Pin Control Mode Selection

19

20

EQ2/SCL_CTL

EQ1/SDA_CTL

IO

Bus specification, up to 400 Kbps.

Pin#1 MS sets "High" : Pin#19 assigns to SCL_CTL pin

Pin#1 MS sets "Low" : Pin#19 assigns to EQ2 pin

Internally Pull-Up at 100 Kohm and Pull-Down at 100 Kohm.

Pin Control EQ setting table is shown below. "M" is Tri-state.

EQ2

(Pin# 19)

EQ1

(Pin# 20)

Equalization Setting

(dB)

Pin#1 MS =

"Low"

0

M

2.5

0

0

5

M

0

7.5

0

1

10

M

M

12.5

1

0

15

1

M

17.5

1

1

20

49

50

51

52

SW1/I2C_ADR0

SW2/I2C_ADR1

EMP1/I2C_ADR2

EMP2/I2C_ADR3

I

Shared Pin. SW or EMP or I2C_ADR pins.

When Pin#1 MS="High" : These Shared Pins assign to I2C_ADR[3:0]

When Pin#1 MS="Low" : These Shared Pins assign to SW1/2 and EMP1/2

These SW2 and SW1 pins control output voltage swing adjustment as following

table. These SW pins have internal Pull-Up 100K Ohm.

SW2 (Pin#50)

SW1 (Pin#49)

Output Voltage Swing

0

0

500 mV

0

1

-10 %

1

0

+10 %

1

1

+20 %

Control Pins

14-0020