SNLS647G
december 2019 – july 2023
DP83826E
,
DP83826I
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Revision History
5
Mode Comparison Tables
6
Pin Configuration and Functions (ENHANCED Mode)
7
Pin Configuration and Functions (BASIC Mode)
8
Specifications
8.1
Absolute Maximum Ratings
8.2
ESD Ratings
8.3
Recommended Operating Conditions
8.4
Thermal Information
8.5
Electrical Characteristics
8.6
Timing Requirements
8.7
Timing Diagrams
8.8
Typical Characteristics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Auto-Negotiation (Speed/Duplex Selection)
9.3.2
Auto-MDIX Resolution
9.3.3
Energy Efficient Ethernet
9.3.3.1
EEE Overview
9.3.3.2
EEE Negotiation
9.3.4
EEE for Legacy MACs Not Supporting 802.3az
9.3.5
Wake-on-LAN Packet Detection
9.3.5.1
Magic Packet Structure
9.3.5.2
Magic Packet Example
9.3.5.3
Wake-on-LAN Configuration and Status
9.3.6
Low Power Modes
9.3.6.1
Active Sleep
9.3.6.2
IEEE Power-Down
9.3.6.3
Deep Power Down State
9.3.7
RMII Repeater Mode
9.3.8
Clock Output
9.3.9
Media Independent Interface (MII)
9.3.10
Reduced Media Independent Interface (RMII)
9.3.11
Serial Management Interface
9.3.11.1
Extended Register Space Access
9.3.11.2
Write Address Operation
9.3.11.3
Read Address Operation
9.3.11.4
Write (No Post Increment) Operation
9.3.11.5
Read (No Post Increment) Operation
9.3.11.6
Example Write Operation (No Post Increment)
9.3.12
100BASE-TX
9.3.12.1
100BASE-TX Transmitter
9.3.12.1.1
Code-Group Encoding and Injection
9.3.12.1.2
Scrambler
9.3.12.1.3
NRZ to NRZI Encoder
9.3.12.1.4
Binary to MLT-3 Converter
9.3.12.2
100BASE-TX Receiver
9.3.13
10BASE-Te
9.3.13.1
Squelch
9.3.13.2
Normal Link Pulse Detection and Generation
9.3.13.3
Jabber
9.3.13.4
Active Link Polarity Detection and Correction
9.3.14
Loopback Modes
9.3.14.1
Near-end Loopback
9.3.14.2
MII Loopback
9.3.14.3
PCS Loopback
9.3.14.4
Digital Loopback
9.3.14.5
Analog Loopback
9.3.14.6
Far-End (Reverse) Loopback
9.3.15
BIST Configurations
9.3.16
Cable Diagnostics
9.3.16.1
Time Domain Reflectometry (TDR)
9.3.16.2
Fast Link-Drop Functionality
9.3.17
LED and GPIO Configuration
9.4
Programming
9.4.1
Hardware Bootstraps Configuration
9.4.1.1
DP83826 Bootstrap Configurations (ENHANCED Mode)
9.4.1.1.1
Bootstraps for PHY Address
9.4.1.2
DP83826 Strap Configuration (BASIC Mode)
9.4.1.2.1
Bootstraps for PHY Address
9.5
Register Maps
9.5.1
DP83826 Registers
10
Application and Implementation
10.1
Application Information
10.2
Typical Applications
10.2.1
Twisted-Pair Interface (TPI) Network Circuit
10.2.2
Transformer Recommendations
10.2.3
Capacitive DC Blocking
10.2.4
Design Requirements
10.2.4.1
Clock Requirements
10.2.4.1.1
Oscillator
10.2.4.1.2
Crystal
10.2.5
Detailed Design Procedure
10.2.5.1
MII Layout Guidelines
10.2.5.2
RMII Layout Guidelines
10.2.5.3
MDI Layout Guidelines
10.2.6
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.1.1
Signal Traces
12.1.2
Return Path
12.1.3
Transformer Layout
12.1.4
Metal Pour
12.1.5
PCB Layer Stacking
12.1.5.1
Layout Example
13
Device and Documentation Support
13.1
Related Documentation
13.2
Receiving Notification of Documentation Updates
13.3
Support Resources
13.4
Trademarks
13.5
Electrostatic Discharge Caution
13.6
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RHB|32
MPQF130D
Thermal pad, mechanical data (Package|Pins)
RHB|32
QFND257K
Orderable Information
snls647g_oa
snls647g_pm
9.3
Feature Description