SNLS505F July   2016  – June 2021 DP83822H , DP83822HF , DP83822I , DP83822IF

PRODUCTION DATA  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Device Comparison Table
  6. Pin Configuration and Functions
  7. Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  Recommended Operating Conditions
    4. 7.4  Thermal Information
    5. 7.5  Electrical Characteristics
    6. 7.6  Timing Requirements, Power-Up Timing
    7. 7.7  Timing Requirements, Power-Up With Unstable XI Clock
    8. 7.8  Timing Requirements, Reset Timing
    9. 7.9  Timing Requirements, Serial Management Timing
    10. 7.10 Timing Requirements, 100 Mbps MII Transmit Timing
    11. 7.11 Timing Requirements, 100 Mbps MII Receive Timing
    12. 7.12 Timing Requirements, 10 Mbps MII Transmit Timing
    13. 7.13 Timing Requirements, 10 Mbps MII Receive Timing
    14. 7.14 Timing Requirements, RMII Transmit Timing
    15. 7.15 Timing Requirements, RMII Receive Timing
    16. 7.16 Timing Requirements, RGMII
    17. 7.17 Normal Link Pulse Timing
    18. 7.18 Auto-Negotiation Fast Link Pulse (FLP) Timing
    19. 7.19 10BASE-Te Jabber Timing
    20. 7.20 100BASE-TX Transmit Latency Timing
    21. 7.21 100BASE-TX Receive Latency Timing
    22. 7.22 Timing Diagrams
    23. 7.23 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Energy Efficient Ethernet
        1. 8.3.1.1 EEE Overview
        2. 8.3.1.2 EEE Negotiation
      2. 8.3.2 Wake-on-LAN Packet Detection
        1. 8.3.2.1 Magic Packet Structure
        2. 8.3.2.2 Magic Packet Example
        3. 8.3.2.3 Wake-on-LAN Configuration and Status
      3. 8.3.3 Start of Frame Detect for IEEE 1588 Time Stamp
      4. 8.3.4 Clock Output
    4. 8.4 Device Functional Modes
      1. 8.4.1  MAC Interfaces
        1. 8.4.1.1 Media Independent Interface (MII)
        2. 8.4.1.2 Reduced Media Independent Interface (RMII)
        3. 8.4.1.3 Reduced Gigabit Media Independent Interface (RGMII)
      2. 8.4.2  Serial Management Interface
        1. 8.4.2.1 Extended Register Space Access
        2. 8.4.2.2 Write Address Operation
        3. 8.4.2.3 Read Address Operation
        4. 8.4.2.4 Write (No Post Increment) Operation
        5. 8.4.2.5 Read (No Post Increment) Operation
        6. 8.4.2.6 Write (Post Increment) Operation
        7. 8.4.2.7 Read (Post Increment) Operation
        8. 8.4.2.8 Example Write Operation (No Post Increment)
        9. 8.4.2.9 Example Read Operation (No Post Increment)
      3. 8.4.3  100BASE-TX
        1. 8.4.3.1 100BASE-TX Transmitter
          1. 8.4.3.1.1 Code-Group Encoding and Injection
          2. 8.4.3.1.2 Scrambler
          3. 8.4.3.1.3 NRZ to NRZI Encoder
          4. 8.4.3.1.4 Binary to MLT-3 Converter
        2. 8.4.3.2 100BASE-TX Receiver
      4. 8.4.4  100BASE-FX
        1. 8.4.4.1 100BASE-FX Transmit
        2. 8.4.4.2 100BASE-FX Receive
      5. 8.4.5  10BASE-Te
        1. 8.4.5.1 Squelch
        2. 8.4.5.2 Normal Link Pulse Detection and Generation
        3. 8.4.5.3 Jabber
        4. 8.4.5.4 Active Link Polarity Detection and Correction
      6. 8.4.6  Auto-Negotiation (Speed / Duplex Selection)
      7. 8.4.7  Auto-MDIX Resolution
      8. 8.4.8  Loopback Modes
        1. 8.4.8.1 Near-End Loopback
        2. 8.4.8.2 MII Loopback
        3. 8.4.8.3 PCS Loopback
        4. 8.4.8.4 Digital Loopback
        5. 8.4.8.5 Analog Loopback
        6. 8.4.8.6 Far-End (Reverse) Loopback
      9. 8.4.9  BIST Configurations
      10. 8.4.10 Cable Diagnostics
        1. 8.4.10.1 TDR
      11. 8.4.11 Fast Link Down Functionality
    5. 8.5 Programming
      1. 8.5.1 Hardware Bootstrap Configurations
      2. 8.5.2 LED Configuration
      3. 8.5.3 PHY Address Configuration
    6. 8.6 Register Maps
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 TPI Network Circuit
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curves
      2. 9.2.2 Fiber Network Circuit
        1. 9.2.2.1 Design Requirements
          1. 9.2.2.1.1 Clock Requirements
            1. 9.2.2.1.1.1 Oscillator
            2. 9.2.2.1.1.2 Crystal
        2. 9.2.2.2 Detailed Design Procedure
          1. 9.2.2.2.1 MII Layout Guidelines
          2. 9.2.2.2.2 RMII Layout Guidelines
          3. 9.2.2.2.3 RGMII Layout Guidelines
          4. 9.2.2.2.4 MDI Layout Guidelines
        3. 9.2.2.3 Application Curves
  10. 10Power Supply Recommendations
    1. 10.1 Power Supply Characteristics
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Signal Traces
      2. 11.1.2 Return Path
      3. 11.1.3 Transformer Layout
        1. 11.1.3.1 Transformer Recommendations
      4. 11.1.4 Metal Pour
      5. 11.1.5 PCB Layer Stacking
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Related Links
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Support Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information
    1. 13.1 Package Option Addendum
      1. 13.1.1 Packaging Information
      2. 13.1.2 Tape and Reel Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Power Supply Characteristics

The following data was measured using a DP83822 evaluation module. All the power dissipation numbers are measured at nominal voltage under typical temperature of 25°C. Center tap must be connected to the same potential as the analog supply rail (AVD).

Table 10-1 Power Supply Characteristics(1)
PARAMETERTEST CONDITIONSMAGNETIC SUPPLY
(mA)
AVD SUPPLY
(mA)
VDDIO SUPPLY
(mA)
TOTAL POWER
(mW)
3.3-V AVD/CT AND 3.3-V VDDIO
100BASE-TXMII, Link-Up, No Traffic223615241
MII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets, 25oC223621261
MII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets, -40oC222520221
MII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets, 125oC225222317
RMII, Link-Up, No Traffic22366211
RMII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets22367215
RGMII, Link-Up, No Traffic22368218
RGMII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets22369221
10BASE-TeMII, Link-Up, No Traffic218789
MII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets49187244
RMII, Link-Up, No Traffic218686
RMII, Link-Up, 960ns IPG (100% Utilization), 1514-byte Packets49186241
RGMII, Link-Up, No Traffic218789
RGMII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets49187244
Passive SleepRMII, bits[15:12] = 0b0111 in register 0x0011216679
Active SleepRMII, bits[15:12] = 0b0110 in register 0x0011216679
IEEE Power DownRMII, bits[11] = 1 in register 0x000024640
Deep Power DownRMII, bits[11] = 1 in register 0x0000 and bit[2] = 1 in register 0x042823636
Energy Efficient EthernetTX and RX LPI, RMII217683
3.3-V AVD/CT AND 1.8-V VDDIO
100BASE-TXMII, Link-Up, No Traffic223610209
MII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets223612213
RMII, Link-Up, No Traffic22363197
RMII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets22364199
RGMII, Link-Up, No Traffic22365200
RGMII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets22365200
10BASE-TeMII, Link-Up, No Traffic218473
MII, Link-Up, 960ns IPG (100% Utilization), 1514-byte Packets49184228
RMII, Link-Up, No Traffic218371
RMII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets49183227
RGMII, Link-Up, No Traffic218473
RGMII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets49184228
Passive SleepRMII, bits[15:12] = 0b0111 in register 0x0011216365
Active SleepRMII, bits[15:12] = 0b0110 in register 0x0011216365
IEEE Power DownRMII, bits[11] = 1 in register 0x000024325
Deep Power DownRMII, bits[11] = 1 in register 0x0000 and bit[2] = 1 in register 0x042823322
Energy Efficient EthernetTX and RX LPI, RMII217368
1.8-V AVD/CT AND 3.3-V VDDIO
100BASE-TXMII, Link-Up, No Traffic223615154
MII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets223621174
RMII, Link-Up, No Traffic22366124
RMII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets22367128
RGMII, Link-Up, No Traffic22368131
RGMII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets22369134
10BASE-TeMII, Link-Up, No Traffic117756
MII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets49177142
RMII, Link-Up, No Traffic117652
RMII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets49176139
RGMII, Link-Up, No Traffic117756
RGMII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets49177142
Passive SleepRMII, bits[15:12] = 0b0111 in register 0x0011116650
Active SleepRMII, bits[15:12] = 0b0110 in register 0x0011116650
IEEE Power DownRMII, bits[11] = 1 in register 0x000014629
Deep Power DownRMII, bits[11] = 1 in register 0x0000 and bit[2] = 1 in register 0x042813627
Energy Efficient EthernetTX and RX LPI, RMII117652
1.8-V AVD/CT AND 1.8-V VDDIO
100BASE-TXMII, Link-Up, No Traffic223610122
MII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets223612126
RMII, Link-Up, No Traffic22363110
RMII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets22364112
RGMII, Link-Up, No Traffic22365113
RGMII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets22365113
10BASE-TeMII, Link-Up, No Traffic117440
MII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets49174126
RMII, Link-Up, No Traffic117338
RMII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets49173124
RGMII, Link-Up, No Traffic117440
RGMII, Link-Up, 960-ns IPG (100% Utilization), 1514-byte Packets49174126
Passive SleepRMII, bits[15:12] = 0b0111 in register 0x0011116336
Active SleepRMII, bits[15:12] = 0b0110 in register 0x0011116336
IEEE Power DownRMII, bits[11] = 1 in register 0x000014314
Deep Power DownRMII, bits[11] = 1 in register 0x0000 and bit[2] = 1 in register 0x042813313
Energy Efficient EthernetTX and RX LPI, RMII117338
Ensured by production test, characterization, or design.