SNLS603C
December 2020 – November 2022
DP83TG720R-Q1
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
6.1
Pin States
6.2
Pin Power Domain
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Timing Requirements
7.7
Timing Diagrams
7.8
LED Drive Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Diagnostic Tool Kit
8.3.1.1
Signal Quality Indicator
8.3.1.2
Time Domain Reflectometry
8.3.1.3
Built-In Self-Test For Datapath
8.3.1.3.1
Loopback Modes
8.3.1.3.2
Data Generator
8.3.1.3.3
Programming Datapath BIST
8.3.1.4
Temperature and Voltage Sensing
8.3.1.5
Electrostatic Discharge Sensing
8.3.2
Compliance Test Modes
8.3.2.1
Test Mode 1
8.3.2.2
Test Mode 2
8.3.2.3
Test Mode 4
8.3.2.4
Test Mode 5
8.3.2.5
Test Mode 6
8.3.2.6
Test Mode 7
8.4
Device Functional Modes
8.4.1
Power Down
8.4.2
Reset
8.4.3
Standby
8.4.4
Normal
8.4.5
Sleep
8.4.6
State Transitions
8.4.6.1
State Transition #1 - Standby to Normal
8.4.6.2
State Transition #2 - Normal to Standby
8.4.6.3
State Transition #3 - Normal to Sleep
8.4.6.4
State Transition #4 - Sleep to Normal
8.4.7
Media Dependent Interface
8.4.7.1
MDI Master and MDI Slave Configuration
8.4.7.2
Auto-Polarity Detection and Correction
8.4.8
MAC Interfaces
8.4.8.1
Reduced Gigabit Media Independent Interface
8.4.9
Serial Management Interface
8.4.10
Direct Register Access
8.4.11
Extended Register Space Access
8.4.12
Write Address Operation
8.4.12.1
Example - Write Address Operation
8.4.13
Read Address Operation
8.4.13.1
Example - Read Address Operation
8.4.14
Write Operation (No Post Increment)
8.4.14.1
Example - Write Operation (No Post Increment)
8.4.15
Read Operation (No Post Increment)
8.4.15.1
Example - Read Operation (No Post Increment)
8.4.16
Write Operation (Post Increment)
8.4.16.1
Example - Write Operation (Post Increment)
8.4.17
Read Operation (Post Increment)
8.4.17.1
Example - Read Operation (Post Increment)
8.5
Programming
8.5.1
Strap Configuration
8.5.2
LED Configuration
8.5.3
PHY Address Configuration
8.6
Register Maps
8.6.1
Register Access Summary
8.6.2
DP83TG720 Registers
8.6.2.1
Base Registers
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Design Requirements
10
Power Supply Recommendations
11
Compatibility with TI's 100BT1 PHY
12
Layout
12.1
Layout Guidelines
12.1.1
Signal Traces
12.1.2
Return Path
12.1.3
Physical Medium Attachment
12.1.4
Metal Pour
12.1.5
PCB Layer Stacking
13
Device and Documentation Support
13.1
Receiving Notification of Documentation Updates
13.2
Support Resources
13.3
Trademarks
13.4
Electrostatic Discharge Caution
13.5
Glossary
14
Mechanical, Packaging, and Orderable Information
14.1
Package Option Addendum
14.1.1
Packaging Information
14.1.2
Tape and Reel Information
Package Options
Mechanical Data (Package|Pins)
RHA|36
MPQF611A
Thermal pad, mechanical data (Package|Pins)
RHA|36
QFND711
Orderable Information
snls603c_oa
7.7
Timing Diagrams
Figure 7-1
Power Up Timing
Figure 7-2
Reset Timing
Figure 7-3
RGMII Transmit Timing (Internal Delay Enabled)
Figure 7-4
RGMII Transmit Timing (Internal Delay Disabled)
Figure 7-5
RGMII Receive Timing (Internal Delay Enabled)
Figure 7-6
RGMII Receive Timing (Internal Delay Disabled)
Figure 7-7
Serial Management Timing