2

03/12/13

All trademarks are property of their respective owners.

PI3TB212

10.3Gbps Thunderbolt™ and DisplayPort™ Switch

Pin Description

Pin #

Pin Name

Type

Description

17

TBC-2

I

Connector Side Hot Plug Detect Input. Connect to mini-DP connector pin2

11

10

ML1(p)

ML1(n)

I/O

Controller Side Channel 1, DisplayPort Positive Signal (external AC coupling is required)

Controller Side Channel 1, DisplayPort Negative Signal (external AC coupling is required)

22

23

TBC-16

TBC-18

I/O

Sink Side TB Rx1(p) or AUX+ Signal or DDC_SCL. Connect to mini-DP connector pin 16.

Sink Side TB Rx1(n) or AUX- Signal or DDC_SDA. Connect to mini-DP connector pin 18.

19

20

TBC-9

TBC-11

I/O

Sink Side DP Main Link + Signal or LSTX. Connect to mini-DP connector pin 9.

Sink Side DP Main Link - Signal or LSRX. Connect to mini-DP connector pin 11

2

1

AUX+

AUX-

I/O

Controller Side AUX Positive Signal

Controller Side AUX Negative Signal

8

7

TB Rx_1(p)

TB Rx_1(n)

I/O

Controller Side 10Gbps Positive Signal (external AC coupling is required)

Controller Side 10Gbps Negative Signal (external AC coupling is required)

5

4

DDC_SCL

DDC_SDA

I/O

Controller Side DDC Clock

Controller Side DDC Data

18

TBC-4

I

Connector Side Cable Detect for DP++ Dongle. Connect to mini-DP connector pin 4.

12

HPD_Out

O

Controller Side Buffered Hot Plug Detect Output

14

13

LSTx

LSRx

I/O

O

Controller Side un-buffered UART TX Signal. Integrated 9KW pull-up

Controller Side buffered UART RX Signal. 1MW pull-down present at buffer input

24

S0

I

Control signal. See truth table for detailed functionality

16

CA_DET_Out O

Cable detect buffered output coming from TBC-4 (pin 18)

6

DP_EN#

I

DisplayPort path enable. See truth table for detailed functionality.

15

10G_EN

I

10G path enable. See truth table for detailed functionality.

3

VDD

Power

3.3V+/-10% power supply voltage

Center

Pad, 9, 21 GND

Ground Ground. both pins and center pad must all be connected to GND plane.

13-0026