ZHCSQL1 May   2022 DP83TC813R-Q1 , DP83TC813S-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 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
    7. 7.7 Timing Diagrams
    8. 7.8 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Diagnostic Tool Kit
        1. 8.3.1.1 Signal Quality Indicator
        2. 8.3.1.2 Electrostatic Discharge Sensing
        3. 8.3.1.3 Time Domain Reflectometry
        4. 8.3.1.4 Voltage Sensing
        5. 8.3.1.5 BIST and Loopback Modes
          1. 8.3.1.5.1 Data Generator and Checker
          2. 8.3.1.5.2 xMII Loopback
          3. 8.3.1.5.3 PCS Loopback
          4. 8.3.1.5.4 Digital Loopback
          5. 8.3.1.5.5 Analog Loopback
          6. 8.3.1.5.6 Reverse Loopback
      2. 8.3.2 Compliance Test Modes
        1. 8.3.2.1 Test Mode 1
        2. 8.3.2.2 Test Mode 2
        3. 8.3.2.3 Test Mode 4
        4. 8.3.2.4 Test Mode 5
    4. 8.4 Device Functional Modes
      1. 8.4.1  Power Down
      2. 8.4.2  Reset
      3. 8.4.3  Standby
      4. 8.4.4  Normal
      5. 8.4.5  Sleep Ack
      6. 8.4.6  Sleep Request
      7. 8.4.7  Sleep Fail
      8. 8.4.8  Sleep
      9. 8.4.9  Wake-Up
      10. 8.4.10 TC10 System Example
      11. 8.4.11 Media Dependent Interface
        1. 8.4.11.1 100BASE-T1 Master and 100BASE-T1 Slave Configuration
        2. 8.4.11.2 Auto-Polarity Detection and Correction
        3. 8.4.11.3 Jabber Detection
        4. 8.4.11.4 Interleave Detection
      12. 8.4.12 MAC Interfaces
        1. 8.4.12.1 Media Independent Interface
        2. 8.4.12.2 Reduced Media Independent Interface
        3. 8.4.12.3 Reduced Gigabit Media Independent Interface
        4. 8.4.12.4 Serial Gigabit Media Independent Interface
      13. 8.4.13 Serial Management Interface
      14. 8.4.14 Direct Register Access
      15. 8.4.15 Extended Register Space Access
      16. 8.4.16 Write Address Operation
        1. 8.4.16.1 MMD1 - Write Address Operation
      17. 8.4.17 Read Address Operation
        1. 8.4.17.1 MMD1 - Read Address Operation
      18. 8.4.18 Write Operation (No Post Increment)
        1. 8.4.18.1 MMD1 - Write Operation (No Post Increment)
      19. 8.4.19 Read Operation (No Post Increment)
        1. 8.4.19.1 MMD1 - Read Operation (No Post Increment)
      20. 8.4.20 Write Operation (Post Increment)
        1. 8.4.20.1 MMD1 - Write Operation (Post Increment)
      21. 8.4.21 Read Operation (Post Increment)
        1. 8.4.21.1 MMD1 - Read Operation (Post Increment)
    5. 8.5 Programming
      1. 8.5.1 Strap Configuration
      2. 8.5.2 LED Configuration
      3. 8.5.3 PHY Address Configuration
    6. 8.6 Register Maps
      1. 8.6.1 Register Access Summary
      2. 8.6.2 DP83TC813 Registers
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Design Requirements
        1. 9.2.1.1 Physical Medium Attachment
          1. 9.2.1.1.1 Common-Mode Choke Recommendations
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Signal Traces
      2. 11.1.2 Return Path
      3. 11.1.3 Metal Pour
      4. 11.1.4 PCB Layer Stacking
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Receiving Notification of Documentation Updates
    2. 12.2 支持资源
    3. 12.3 Community Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 术语表
  13. 13Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

8.5.1 Strap Configuration

The DP83TC813S-Q1 uses functional pins as strap options to place the device into specific modes of operation. The values of these pins are sampled at power up and hardware reset (through either the RESET pin or register access). Some strap pins support 3 levels and some strap pins support 2 levels, which are described in greater detail below. PHY address straps, RX_DV/RX_CTRL and RX_ER, are 3-level straps while all other straps are two levels. Configuration of the device may be done through strapping or through serial management interface.

Note:

Because strap pins are functional pins after reset is deasserted, they must not be connected directly to VDDIO or VDDMAC or GND. Either pullup resistors, pulldown resistors, or both are required for proper operation.

Note:

When using VDDMAC and VDDIO separately, it is important to connect strap resistors to the correct voltage rail. Each pin's voltage domain is listed in the Table 8-18 table below.

Figure 8-18 Strap Circuit

Rpulldn value is included in the Electrical Characteristics table of the data sheet.

Table 8-16 Recommended 3-Level Strap Resistor Ratios for PHY Address
MODE3 IDEAL RH (kΩ) (VDDIO = 3.3V)1 IDEAL RH (kΩ) (VDDIO = 2.5V)2 IDEAL RH (kΩ) (VDDIO = 1.8V)1
1 OPEN OPEN OPEN
2 13 12 4
3 4.5 2 0.8
  1. Strap resistors with 10% tolerance.
  2. Strap resistors with 1% tolerance.
  3. RL is optional and can be added if voltage on bootstrap pins needs to be adjusted.
Table 8-17 Recommended 2-Level Strap Resistors
MODE IDEAL RH (kΩ)1, 2
1 OPEN
2 2.49
  1. Strap resistors with up to 10% tolerance can be used.
  2. To gain more margin in customer application for 1.8V VDDIO, either 2.1 kΩ +/-10% pull-up can be used or resistor accuracy of 2.49 kΩ resistor can be limited to 1%.

The following table describes the PHY configuration bootstraps:

Table 8-18 Bootstraps
PIN
NAME		 PIN NO. DOMAIN DEFAULT
MODE		 STRAP FUNCTION DESCRIPTION
RX_DV/RX_CTRL 13 VDDMAC 1 MODE PHY_AD[0] PHY_AD[2] PHY_AD: PHY Address ID
1 0 0
2 0 1
3 1 1
RX_ER 21 VDDMAC 1 MODE PHY_AD[1] PHY_AD[3] PHY_AD: PHY Address ID
1 0 0
2 0 1
3 1 1
RX_CLK 28 VDDMAC 1 MODE AUTO AUTO: Autonomous Disable.
1 0
2 1
RX_D0 27 VDDMAC 1 MODE MAC[0] MAC: MAC Interface Selection
1 0
2 1
RX_D1 26 VDDMAC 1 MODE MAC[1] MAC: MAC Interface Selection
1 0
2 1
RX_D2 25 VDDMAC 1 MODE MAC[2] MAC: MAC Interface Selection
1 0
2 1
RX_D3 24 VDDMAC 1 MODE MS MS: 100BASE-T1 Master and 100BASE-T1 Slave Selection
1 0
2 1
Note: Refer to SNLA389 Application Note for more information about the register settings used for compliance testing. It is necessary to use these register settings to achieve the same performance as observed during compliance testing. Managed mode strap option is recommended to prevent the link up process from initiating while the software configuration from SNLA389 is being executed. Once the software configuration is completed, the PHY can be removed from Managed mode by setting bit 0x018B[6] to ‘0’
Table 8-19 100BASE-T1 Master and 100BASE-T1 Slave Selection Bootstrap
MS DESCRIPTION
0 100BASE-T1 Slave Configuration
1 100BASE-T1 Master Configuration
Table 8-20 Autonomous Mode Bootstrap
AUTO DESCRIPTION
0 Autonomous Mode, PHY able to establish link after power-up
1 Managed Mode, PHY must be allowed to establish link after power-up based on register write
Table 8-21 MAC Interface Selection Bootstraps
MAC[2] MAC[1] MAC[0] DESCRIPTION
0 0 0 SGMII (4-wire)(1)
0 0 1 MII
0 1 0 RMII Slave
0 1 1 RMII Master
1 0 0 RGMII (Align Mode)
1 0 1 RGMII (TX Internal Delay Mode)
1 1 0 RGMII (TX and RX Internal Delay Mode)
1 1 1 RGMII (RX Internal Delay Mode)
(1) SGMII strap mode is only available on 'S' type device variant. For 'R' type device variant, this strap mode is RESERVED
Table 8-22 PHY Address Bootstraps
PHY_AD[3:0] RX_CTRL STRAP MODE RX_ER STRAP MODE DESCRIPTIONSection 8.5.1
0000 1 1 PHY Address: 0b00000 (0x0)
0001 - - NA
0010 - - NA
0011 - - NA
0100 2 1 PHY Address: 0b00100 (0x4)
0101 3 1 PHY Address: 0b00101 (0x5)
0110 - - NA
0111 - - NA
1000 1 2 PHY Address: 0b01000 (0x8)
1001 - - NA
1010 1 3 PHY Address: 0b01010 (0xA)
1011 - - NA
1100 2 2 PHY Address: 0b01010 (0xC)
1101 3 2 PHY Address: 0b01011 (0xD)
1110 2 3 PHY Address: 0b01110 (0xE)
1111 3 3 PHY Address: 0b01111 (0xF)
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