3

PI3VDP12412

4-Lane DisplayPort™ Rev 1.2 Compliant Switch

12/17/12

(Continued)

42ZHE

pin#

48NEE

pin#

pin Name Signal Type

Description

2

A1

GPU_SEL

I

switch logic control. different function for different package options:

42pin TQFN package:

If HIGH, then path B is selected for high speed channels only

If LOW, then path A is selected for high speed channels only

48ball BGA package:

If HIGH, then path B is selected for all channels

If LOW, then path A is selected for all channels

3

B1

D0-

I/O

negative differential signal 0 for COM port

4

B2

D0+

I/O

positive differential signal 0 for COM port

6

D1

D1-

I/O

negative differential signal 1 for COM port

7

D2

D1+

I/O

positive differential signal 1 for COM port

8

E1

D2-

I/O

negative differential signal 2 for COM port

9

E2

D2+

I/O

positive differential signal 2 for COM port

10

F1

D3-

I/O

negative differential signal 3 for COM port

11

F2

D3+

I/O

positive differential signal 3 for COM port

1

B3

GND

Ground

Ground

13

H1

AUX-

I/O

negative differential signal for AUX COM port

14

H2

AUX+

I/O

positive differential signal for AUX COM port

18

J1

HPD

I/O

HPD for COM port

16

J2

HPD_A

I/O

HPD for port A

15

H3

HPD_B

I/O

HPD for port B

17

C8

GND

Ground

Ground

12

J4

VDD

Pwr

3.3V +/-10% power supply

G2

GND

Ground

Ground

20

H6

AUX+B

I/O

positive differential signal for AUX, port B

19

J6

AUX-B

I/O

negative differential signal for AUX, port B

23

H9

AUX+A

I/O

positive differential signal for AUX, port A

24

J9

AUX-A

I/O

negative differential signal for AUX, port A

22

G8

GND

Ground

Ground

26

F8

D3+B

I/O

positive differential signal 3 for portB

27

F9

D3-B

I/O

negative differential signal 3 for portB

28

E8

D2+B

I/O

positive differential signal 2 for portB

29

E9

D2-B

I/O

negative differential signal 2 for portB

30

D8

D1+B

I/O

positive differential signal 1 for portB

31

D9

D1-B

I/O

negative differential signal 1 for portB

32

B8

D0+B

I/O

positive differential signal 0 for portB

12-0293