2

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P-0.2

07/10/12

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PI3HDMI511

Pin Description

Pin #

Pin Name

Type

Description

2

CEXT

PWR

LDO output for internal core supplier. External capacitor 2.2 to 4.7μF should be added to

GND.

3

IN_D2-

I

4

IN_D2+

I

5

IN_D1-

I

6

IN_D1+

I

7

IN_D0-

I

8

IN_D0+

I

9

IN_CLK-

I

10

IN_CLK+

I

11

HPD_SRC

O

HPD output; internal pull-down at 300K ohm

12

SDA_SRC

IO

DDC Data on source side

13

SCL_SRC

IO

DDC Clock on source side

15

Test

I

Must be tied LOW for normal operation

16

OC_S0

I

TMDS output pre-emphasis selection. See OC_S0 truth table for functionality.

This pin has internal 100K ohm pull-up

17

EQ_S0

I

TMDS input equalization selection.

If LOW or floating , EQ is set at 9dB for all TMDS data inputs

If HIGH, EQ is set at 15dB for all TMDS data inputs (please note, TMDS clock inputs are

always set to 3dB EQ)

This pin has an internal 100K ohm pull-down

18

OUT_CLK+ O

TMDS outputs.

19

OUT_CLK-

O

20

OUT_D0+

O

21

OUT_D0-

O

23

OUT_D1+

O

24

OUT_D1-

O

25

OUT_D2+

O

26

OUT_D2-

O

27

SCL_SINK

IO

Sink side DDC Clock

28

SDA_SINK

IO

Sink side DDC Data

29

HPD_SINK I

Sink side hot plug detector input; internal pull-down at 120K ohm.

30

/OE

I

Output Enable control. Active low. Internal 100K ohm pull-down. See truth table for

functionality.

1, 22

VDD

PWR

3.3V power supply

14, 31, 32 GND

Ground Power Ground

12-0185