4 Pin Configuration and Functions

1

18

17

16

15

14

2

3

4

13

12

11

10

5

6

7

8

9

RX_CON_1+

RX_CON_1–

TX_CON_2+

TX_CON_2–

CNFG_A1

CNFG_B1

CNFG_B2

CNFG_A2

GND

Figure 4-1. RWQ Package, 18-Pin X2QFN (Top View)

Table 4-1. Pin Functions

PIN

TYPE

DESCRIPTION

NAME

NO.

VDD18

5

P

1.8V Power Supply

GND

PAD

G

Reference Ground Thermal Pad. Must connect to GND on the board.

SEL

16

Input

2:1 SS MUX control. See Table 1 for signal path settings.210kΩ internal pullup resistor.

H: AP SS signals are connected to Type-C position 1 signals.

L: AP SS signals are connected to Type-C position 2 signals

CNFG_A1

1

Tri-level Input

Tri-level configuration input pin A1 (for Ch 1): sets channel 1 (AP to redriver) EQ, DE and OS

configurations. Pin has integrated pull-up and pull-down resistors of 105kΩ. Refer to Table

6-2 for configuration settings.

CNFG_B1

4

Tri-level Input

Tri-level configuration input pin B1 (for Ch 1): sets channel 1 (AP to redriver) EQ, DE and OS

configurations. Pin has integrated pull-up and pull-down resistors of 105kΩ. Refer to Table

6-2 for configuration settings.

CNFG_A2

13

Tri-level Input

Tri-level configuration input pin A2 (for Ch 2): sets channel 2 (redriver to device) EQ, DE

and OS configurations. Pin has integrated pull-up and pull-down resistors of 10 5kΩ. Refer

to Table 6-2 for configuration settings.

CNFG_B2

10

Tri-level Input

Tri-level configuration input pin B2 (for Ch 2): sets channel 2 (redriver to device) EQ, DE

and OS configurations. Pin has integrated pull-up and pull-down resistors of 105kΩ. Refer to

Table 6-2 for configuration settings.

RX_AP+

18

Diff output

Differential output to Application Processor (AP), 5 Gbps SS positive signal

RX_AP-

17

Diff output

Differential output to AP, 5Gbps SS negative signal

TX_AP+

15

Diff input

Differential input from AP, 5Gbps SS positive signal

TX_AP-

14

Diff input

Differential input from AP, 5Gbps SS negative signal

Rx_Con_1+

2

Diff input

Differential input from Type-C Connector, Position 1, SS positive signal

Rx_Con_1-

3

Diff input

Differential input from Type-C Connector, Position 1, SS negative signal

Tx_Con_1+

6

Diff output

Differential output to Type-C Connector, Position 1, SS positive signal

Tx_Con_1-

7

Diff output

Differential output to Type-C Connector, Position 1, SS negative signal

Rx_Con_2-

8

Diff input

Differential input from Type-C Connector, Position 2, SS negative signal

Rx_Con_2+

9

Diff input

Differential input from Type-C Connector, Position 2, SS positive signal

Tx_Con_2+

12

Diff output

Differential output to Type-C Connector, Position 2, SS positive signal

Tx_Con_2-

11

Diff output

Differential output to Type-C Connector, Position 2, SS negative signal

www.ti.com

TUSB542

SLLSER3F – DECEMBER 2015 – REVISED DECEMBER 2023

Copyright © 2023 Texas Instruments Incorporated

Submit Document Feedback

3

Product Folder Links: TUSB542