3

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06/02/2014

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PI3PCIE3242

3.3V PCI Express® 3.0 4 Channel 2x2 Exchange Switch

Pin Description (30-TQFN)

Pin #

Pin Name I/O Description

1

2

A0+

A0–

I/O

Signal I/O, Channel 0, Port A

7

8

A1+

A1–

I/O

Signal I/O, Channel 1, Port A

25

24

B0+

B0−

I/O

Signal I/O, Channel 0, Port B

19

18

B1+

B1−

I/O

Signal I/O, Channel 1, Port B

3

4

C0+

C0–

I/O

Signal I/O, Channel 0, Port C

9

10

C1+

C1–

I/O

Signal I/O, Channel 1, Port C

23

22

D0+

D0−

I/O

Signal I/O, Channel 0, Port D

17

16

D1+

D1−

I/O

Signal I/O, Channel 1, Port D

29

OE#

I

Output Enable, active low. When OE# = 0 the device I/O is enabled. When OE#=1,

all I/O are high impedance

5

SEL

I

Operation mode Select

(when SEL=0: A→B, C→D, when SEL=1: A→D, C→B)

11, 15, 21, 26, 30

Pwr 3.3V ±10% Positive Supply Voltage

6, 13, 20, 28, Center

Pad

GND

Pwr Power ground

12, 14, 27

NC

No Connect

14-0087