SLLU255A October   2016  – November 2024 TUSB1046-DCI , TUSB1046A-DCI

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  8. 2Hardware
    1. 2.1 Power Requirements
    2. 2.2 TUSB1046EVM-SRC Test Board Setup
    3. 2.3 TUSB1046 EVM Default EQ Configuration
      1. 2.3.1 TUSB1046 EQ Control
  9. 3Software
    1. 3.1 Firmware Description
  10. 4Hardware Design Files
    1. 4.1 TUSB1046EVM Schematics
    2. 4.2 PCB Layouts
    3. 4.3 Bill of Materials (BOM)
  11. 5Additional Information
    1. 5.1 Trademarks
  12. 6Related Documentation
  13. 7Revision History

TUSB1046 EQ Control

Each of the TUSB1046 receiver lanes has individual controls for receiver equalization as shown in Table 2-2, Table 2-3, and Table 2-4. There are sixteen EQ settings with 0 being the lowest and Fh being the highest. Refer to the TUSB1046 datasheet for specific EQ value.

Table 2-2 Configuration Pin-Level Definitions
LevelSettings
0Option 1: Tie 1kΩ 5% to GND
Option 2: Tie directly to GND
RTie 20kΩ, 5% to GND
FFloat (leave pin open)
1Option 1: Tie 1kΩ 5% to VCC
Option 2: Tie directly to VCC
Table 2-3 USB 3.1 EQ Settings
USB3.1 Downstream Facing PortsUSB3.1 Upstream Facing Port
EQ1 Pin LevelEQ0 Pin LevelEQ Gain at 5GHz (dB)SSEQ1 Pin LevelSSEQ0 Pin LevelEQ Gain at 5GHz (dB)
00

Lowest EQ setting

00

Lowest EQ setting

0R0R
0F0F
0101
R0R0
RRRR
RFRF
R1R1
F0F0
FRFR
FFFF
F1F1
1010
1R1R
1F1F
11

Highest EQ setting

11

Highest EQ setting

Table 2-4 DisplayPort EQ Settings
All DisplayPort Lanes
DPEQ1 Pin LevelDPEQ0 Pin LevelEQ Gain at 4.05GHz (dB)
00

Lowest EQ setting

0R
0F
01
R0
RR
RF
R1
F0
FR
FF
F1
10
1R
1F
11

Highest EQ setting