4

PI3VDP12412

4-Lane DisplayPort™ Rev 1.2 Compliant Switch

12/17/12

42ZHE

pin#

48NEE

pin#

pin Name Signal Type

Description

33

B9

D0-B

I/O

negative differential signal 0 for portB

35

A8

D3+A

I/O

positive differential signal 3 for port A

36

A9

D3-A

I/O

negative differential signal 3 for port A

H4

GND

Ground

37

B6

D2+A

I/O

positive differential signal 2 for port A

38

A6

D2-A

I/O

negative differential signal 2 for port A

39

B5

D1+A

I/O

positive differential signal 1 for port A

40

A5

D1-A

I/O

negative differential signal 1 for port A

41

B4

D0+A

I/O

positive differential signal 0 for port A

42

A4

D0-A

I/O

negative differential signal 0 for port A

21

A2

VDD

Pwr

Power

34

VDD

Pwr

Power

N/A

C2

DDC_

AUX_SEL

I

toggles between passing DDC channels through or AUX channels

through

If HIGH, then path DDC signals are passed through (depending on port

selection via GPU_SEL)

If LOW, then path AUX signals are passed through (depending on port

selection via GPU_SEL)

5

N/A

AUX_HPD_

SEL

I

switches only the AUX and HPD channels from port A vs. port B

N/A

H5

SCL_B

I/O

DDC_clock channel for port B

N/A

H7

GND

Ground

N/A

H8

SCL_A

I/O

DDC_clock channel for port A

N/A

J5

SDA_B

I/O

DDC_data channel for port B

N/A

J8

SDA_A

I/O

DDC_data channel for port A

25

B7

OE

I

Output enable. if OE is high, IC is enabled. If OE is low, then IC is power

down and all I/Os are hi-z

43

N/A

Center pad

Ground

Ground

12-0293