SNLU239A December   2018  – December 2023 DP83825I

 

  1.   1
  2.   DP83825EVM User’s Guide
  3.   Trademarks
  4. 1Definitions
  5. 2Introduction
    1. 2.1 Key Features
    2. 2.2 Operation – Quick Setup
      1. 2.2.1 Power Supply
      2. 2.2.2 LDO Supply
      3. 2.2.3 External Supply
      4. 2.2.4 EVM High Level Summary
  6. 3Configurations Options
    1. 3.1 Strap Options
  7. 4Software
    1. 4.1 MSP430 Driver
    2. 4.2 USB2MDIO Software
  8. 5Board Setup Details
    1. 5.1 Block Diagram
    2. 5.2 Schematics
  9. 6Bill of Materials
  10. 7Revision History

2.2.2 LDO Supply

The EVM can be used in LDO operation by providing power by using power supply turrets or USB connector. The following jumper connections need to be connected to configure the board for LDO operation.

GUID-20231207-SS0I-VVJR-BRFV-TDVT9RWDF8LT-low.svg Figure 2-3 LDO Operation
  • For Turret, connect jumper to position 2-3 on J2 connector (pictured) as shown in Figure 2-3 and supply power through ‘5V-12V’ and ‘GND’ turrets.
  • For USB power, connect jumper to position 1-2 on J2 connector as shown in Figure 2-3 and supply power through J1 USB connector.
  • On the VDD3V3, VDDIO, and MSP-IO connections, make sure that the jumpers are populated on position 1-2 for all three connectors shown in Figure 2-4.
GUID-20231207-SS0I-B4G0-QG87-FNBG5ZJ62JBF-low.svg Figure 2-4 Supply Selection Jumpers - LDO