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DP83TG720S-Q1 1000BASE-T1 Automotive Ethernet PHY with SGMII and RGMII
SNLS604F
September 2020 – April 2025
DP83TG720S-Q1
PRODUCTION DATA
CONTENTS
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DP83TG720S-Q1 1000BASE-T1 Automotive Ethernet PHY with SGMII and RGMII
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
Pin Functions
4.1
Pin States
4.2
Pin Power Domain
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Timing Requirements
5.7
Timing Diagrams
5.8
LED Drive Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Diagnostic Tool Kit
6.3.1.1
Signal Quality Indicator
6.3.1.2
Time Domain Reflectometry
6.3.1.3
Built-In Self-Test For Datapath
6.3.1.3.1
Loopback Modes
6.3.1.3.2
Data Generator
6.3.1.3.3
Programming Datapath BIST
6.3.1.4
Temperature and Voltage Sensing
6.3.1.5
Electrostatic Discharge Sensing
6.3.2
Compliance Test Modes
6.3.2.1
Test Mode 1
6.3.2.2
Test Mode 2
6.3.2.3
Test Mode 4
6.3.2.4
Test Mode 5
6.3.2.5
Test Mode 6
6.3.2.6
Test Mode 7
6.4
Device Functional Modes
6.4.1
Power Down
6.4.2
Reset
6.4.3
Standby
6.4.4
Normal
6.4.5
Sleep
6.4.6
State Transitions
6.4.6.1
State Transition #1 - Standby to Normal
6.4.6.2
State Transition #2 - Normal to Standby
6.4.6.3
State Transition #3 - Normal to Sleep
6.4.6.4
State Transition #4 - Sleep to Normal
6.4.7
Media Dependent Interface
6.4.7.1
MDI Master and MDI Slave Configuration
6.4.7.2
Auto-Polarity Detection and Correction
6.4.8
MAC Interfaces
6.4.8.1
Reduced Gigabit Media Independent Interface
6.4.8.2
Serial Gigabit Media Independent Interface
6.4.9
Serial Management Interface
6.4.9.1
Direct Register Access
6.4.9.2
Extended Register Space Access
6.4.9.2.1
Write Operation (No Post Increment)
6.4.9.2.2
Read Operation (No Post Increment)
6.4.9.2.3
Write Operation (Post Increment)
6.4.9.2.4
Read Operation (Post Increment)
6.5
Programming
6.5.1
Strap Configuration
6.5.2
LED Configuration
6.5.3
PHY Address Configuration
6.6
Register Maps
6.6.1
Register Access Summary
6.6.2
DP83TG720 Registers
7
Application and Implementation
7.1
Application Information
7.2
Typical Applications
7.3
Power Supply Recommendations
7.4
Compatibility with TI's 100BT1 PHY
7.5
Layout
7.5.1
Layout Guidelines
7.5.1.1
Signal Traces
7.5.1.2
Return Path
7.5.1.3
Physical Medium Attachment
7.5.1.4
Metal Pour
7.5.1.5
PCB Layer Stacking
8
Device and Documentation Support
8.1
Receiving Notification of Documentation Updates
8.2
Support Resources
8.3
Trademarks
8.4
Electrostatic Discharge Caution
8.5
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
10.1
Package Option Addendum
10.1.1
Packaging Information
10.1.2
Tape and Reel Information
IMPORTANT NOTICE
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Data Sheet
DP83TG720
S
-Q1 1000BASE-T1 Automotive Ethernet PHY
with SGMII and RGMII
1
Features
IEEE802.3bp 1000BASE-T1 compliant
Open Alliance TC12 Interoperability and EMC compliant
Interoperability tested with OA/IEEE compliant PHYs
EMC immunity Class-IV compliant for UTP (unshielded twisted pair)
Integrated LPF on MDI pins
MAC Interfaces: RGMII and SGMII
Supported I/O voltages: 3.3V, 2.5V, and 1.8V
Pin compatible with TI's 100BASE-T1 PHY
Single board design for 100BASE-T1 and 1000BASE-T1 with required BOM change
Power savings features:
Standby and sleep
Local and remote wake-up
Diagnostic tool kit
High accuracy temperature monitor
Voltage monitor
ESD event monitor
Data throughput calculator: inbuilt MAC packet generator, counter and error checker
Link quality monitoring
Cable open and short fault detection
Loopback modes
25MHz clock output source
VQFN, wettable flank packaging
AEC-Q100 Qualified
Inbuilt ESD protection : IEC61000-4-2 ESD : ±8 kV contact discharge
Device temperature grade 1: –40°C to +125°C ambient operating temperature
2
Applications
Telematics control unit (TCU, TBOX)
Gateway and Body Control Module (BCM)
ADAS: LIDAR, RADAR, Front Camera