SPRUJE8 December   2024 AM2754-Q1

 

  1.   1
  2.   Description
  3.   Features
  4.   4
  5. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Preface Read This First
      1. 1.2.1 Important Usage Notes
    3. 1.3 Kit Contents
    4. 1.4 Device Information
      1. 1.4.1 Security
    5. 1.5 Audio Expansion Connectors
  6. 2Hardware
    1. 2.1  Component Identification
    2. 2.2  Power Requirements
      1. 2.2.1 Power Input Using USB Type-C Connector
      2. 2.2.2 Power Status LEDs
      3. 2.2.3 Power Tree
      4. 2.2.4 Power Sequence
      5. 2.2.5 PMIC
    3. 2.3  Reset
    4. 2.4  Clock
    5. 2.5  Boot Mode Selection
    6. 2.6  Header Information
    7. 2.7  Push Buttons
    8. 2.8  Switches
    9. 2.9  Interfaces
      1. 2.9.1 Ethernet Interface
        1. 2.9.1.1 Ethernet Add-on Connectors
      2. 2.9.2 Audio Interfaces
        1. 2.9.2.1 Audio Clocking
        2. 2.9.2.2 McASP
        3. 2.9.2.3 MLB
    10. 2.10 AEC Mapping
      1. 2.10.1 Audio Expansion Connector 1
      2. 2.10.2 Audio Expansion Connector 2
    11. 2.11 Test Points
  7. 3Hardware Design Files
  8. 4Additional Information
    1. 4.1 If You need Assistance
    2. 4.2 Trademarks
  9. 5References
    1. 5.1 Reference Documents
    2. 5.2 Other TI Components Used This Design
  10. 6Revision History

2.9.1.1 Ethernet Add-on Connectors

The AM275x EVM features two Common Platform Switch (CPSW) RGMII Ethernet Expansion Connectors.

The Tables below lists the pinouts for the ethernet expansion connectors:

Note: I/O direction refers to the direction from the Ethernet Expansion connector perspective.
Table 2-14 CPSW RGMII Ethernet Expansion Connector 1 Pinout
Pin Number Net Name/Signal I/O Direction Pin Number Net Name/Signal I/O Direction
1 DGND POWER 2 EXT_VMON2_1 POWER
3 CPSW_RGMII1_TXC INPUT 4 VDD_2V5 POWER
5 DGND POWER 6 VDD_2V5 POWER
7 CPSW_RGMII1_TD0 INPUT 8 DGND POWER
9 CPSW_RGMII1_TD1 INPUT 10 CPSW_RGMII_INTn OUTPUT
11 CPSW_RGMII1_TD2 INPUT 12 CPSW_RGMII1_RESETn INPUT
13 CPSW_RGMII1_TD3 INPUT 14 CPSW_RGMII1_COL OUTPUT
15 DGND POWER 16 DGND POWER
17 DGND POWER 18 DGND POWER
19 CPSW_RGMII1_RXC OUTPUT 20 CPSW_RGMII1_MDC INPUT
21 DGND POWER 22 CPSW_RGMII1_MDIO BIDIRECTIONAL
23 CPSW_RGMII1_RD0 OUTPUT 24 DGND POWER
25 CPSW_RGMII1_RD1 OUTPUT 26 RGMII1_INH_3V3 OUTPUT
27 CPSW_RGMII1_RD2 OUTPUT 28 CPSW_RGMII1_ETH1_CLK INPUT
29 CPSW_RGMII1_RD3 OUTPUT 30 CPSW_RGMII1_CRS OUTPUT
31 DGND POWER 32 DGND POWER
33 DGND POWER 34 DGND POWER
35 CPSW_RGMII1_TX_EN INPUT 36 CPSW_RGMII1_BRD_CONN_DET OUTPUT
37 I2C_ADDR0_A2 INPUT 38 SYNC1_OUT_ETH1 INPUT
39 RGMII1_RX_ER OUTPUT 40 SoC_I2C0_SCL INPUT
41 DGND POWER 42 SoC_I2C0_SDA BIDIRECTIONAL
43 RGMII1_RX_LINK OUTPUT 44 VCC_3V3_SYS POWER
45 CPSW_RGMII1_RX_DV OUTPUT 46 VCC_3V3_SYS POWER
47 I2C_ADDR0_A0 INPUT 48 CPSW_RGMII1_BCLK OUTPUT
Table 2-15 CPSW RGMII Ethernet Expansion Connector 2 Pinout
Pin Number Net Name/Signal I/O Direction Pin Number Net Name/Signal I/O Direction
1 DGND POWER 2 EXT_VMON2_2 POWER
3 CPSW_RGMII1_TXC INPUT 4 VDD_2V5 POWER
5 DGND POWER 6 VDD_2V5 POWER
7 CPSW_RGMII2_TD0 INPUT 8 DGND POWER
9 CPSW_RGMII2_TD1 INPUT 10 CPSW_RGMII_INTn_R OUTPUT
11 CPSW_RGMII2_TD2 INPUT 12 CPSW_RGMII2_RSTn INPUT
13 CPSW_RGMII2_TD3 INPUT 14 CPSW_RGMII2_COL OUTPUT
15 DGND POWER 16 DGND POWER
17 DGND POWER 18 DGND POWER
19 CPSW_RGMII2_RXC OUTPUT 20 CPSW_RGMII2_MDC INPUT
21 DGND POWER 22 CPSW_RGMII2_MDIO BIDIRECTIONAL
23 CPSW_RGMII2_RD0 OUTPUT 24 DGND POWER
25 CPSW_RGMII2_RD1 OUTPUT 26 RGMII2_INH_3V3 OUTPUT
27 CPSW_RGMII2_RD2 OUTPUT 28 CPSW_RGMII2_ETH2_CLK INPUT
29 CPSW_RGMII2_RD3 OUTPUT 30 CPSW_RGMII2_CRS OUTPUT
31 DGND POWER 32 DGND POWER
33 DGND POWER 34 DGND POWER
35 CPSW_RGMII2_TX_EN INPUT 36 CPSW_RGMII2_BRD_CONN_DET OUTPUT
37 I2C_ADDR0_A2 INPUT 38 SYNC1_OUT_ETH2 INPUT
39 RGMII2_RX_ER OUTPUT 40 SoC_I2C0_SCL INPUT
41 DGND POWER 42 SoC_I2C0_SDA BIDIRECTIONAL
43 RGMII2_RX_LINK OUTPUT 44 VCC_3V3_SYS POWER
45 CPSW_RGMII2_RX_DV OUTPUT 46 VCC_3V3_SYS POWER
47 I2C_ADDR0_A0 INPUT 48 CPSW_RGMII2_BCLK OUTPUT