SNLS603D December   2020  – April 2025 DP83TG720R-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
    1.     Pin Functions
    2. 5.1 Pin States
    3. 5.2 Pin Power Domain
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Timing Diagrams
    8. 6.8 LED Drive Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Diagnostic Tool Kit
        1. 7.3.1.1 Signal Quality Indicator
        2. 7.3.1.2 Time Domain Reflectometry
        3. 7.3.1.3 Built-In Self-Test For Datapath
          1. 7.3.1.3.1 Loopback Modes
          2. 7.3.1.3.2 Data Generator
          3. 7.3.1.3.3 Programming Datapath BIST
        4. 7.3.1.4 Temperature and Voltage Sensing
        5. 7.3.1.5 Electrostatic Discharge Sensing
      2. 7.3.2 Compliance Test Modes
        1. 7.3.2.1 Test Mode 1
        2. 7.3.2.2 Test Mode 2
        3. 7.3.2.3 Test Mode 4
        4. 7.3.2.4 Test Mode 5
        5. 7.3.2.5 Test Mode 6
        6. 7.3.2.6 Test Mode 7
    4. 7.4 Device Functional Modes
      1. 7.4.1 Power Down
      2. 7.4.2 Reset
      3. 7.4.3 Standby
      4. 7.4.4 Normal
      5. 7.4.5 Sleep
      6. 7.4.6 State Transitions
        1. 7.4.6.1 State Transition #1 - Standby to Normal
        2. 7.4.6.2 State Transition #2 - Normal to Standby
        3. 7.4.6.3 State Transition #3 - Normal to Sleep
        4. 7.4.6.4 State Transition #4 - Sleep to Normal
      7. 7.4.7 Media Dependent Interface
        1. 7.4.7.1 MDI Master and MDI Slave Configuration
        2. 7.4.7.2 Auto-Polarity Detection and Correction
      8. 7.4.8 MAC Interfaces
        1. 7.4.8.1 Reduced Gigabit Media Independent Interface
      9. 7.4.9 Serial Management Interface
        1. 7.4.9.1 Direct Register Access
        2. 7.4.9.2 Extended Register Space Access
          1. 7.4.9.2.1 Write Operation (No Post Increment)
          2. 7.4.9.2.2 Read Operation (No Post Increment)
          3. 7.4.9.2.3 Write Operation (Post Increment)
          4. 7.4.9.2.4 Read Operation (Post Increment)
    5. 7.5 Programming
      1. 7.5.1 Strap Configuration
      2. 7.5.2 LED Configuration
      3. 7.5.3 PHY Address Configuration
    6. 7.6 Register Maps
      1. 7.6.1 Register Access Summary
      2. 7.6.2 DP83TG720 Registers
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Design Requirements
    3. 8.3 Power Supply Recommendations
    4. 8.4 Compatibility with TI's 100BT1 PHY
    5. 8.5 Layout
      1. 8.5.1 Layout Guidelines
        1. 8.5.1.1 Signal Traces
        2. 8.5.1.2 Return Path
        3. 8.5.1.3 Physical Medium Attachment
        4. 8.5.1.4 Metal Pour
        5. 8.5.1.5 PCB Layer Stacking
  10. 9 Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information
    1. 11.1 Package Option Addendum
      1. 11.1.1 Packaging Information
      2. 11.1.2 Tape and Reel Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information
7.4.9.2.3 Write Operation (Post Increment)

To write a register in the extended register set and automatically increment the address register to the next higher value following the write operation:

Instruction Example: Set reg 0x0170 = 0C50 & reg 0x0171 = 0x0011

1. Write the value 0x001F (address function field = 00, DEVAD = 31) to register REGCR.

Write register 0x0D to value 0x001F

2. Write the register address from register ADDAR.

Write register 0x0E to value 0x0170
3. Write the value 0x801F (data, post increment on reads and writes function field = 10, DEVAD = 31) or the value 0xC01F (data, post increment on writes function field = 11. DEVAD = 31) to register REGCR. Write register 0x0D to value 0x801F
4. Write the content of the desired extended register set register to register ADDAR.

Write register 0x0E to value 0x0C50
5. Subsequent writes to register ADDAR (step 4) writes the next higher addressed data register selected by the value of the address register; the address register is incremented after each access. Write register 0x0E to value 0x0011

Step 4 Writes register 0x0170 to 0x0C50 and because post increment is enabled, Step 5 writes register 0x0171 to 0x0011.