AN 955: Programmer’s Configuration Debugger Tool

ID 691274
Date 4/07/2025
Public
Document Table of Contents

2.12.1. Performing VR Telemetry

Retrieve the value of VR register addresses through VR telemetry by following the steps below.
  1. Click Hardware Setup and select the hardware setup to use for debugging.
  2. Click Load Device and select your device.
  3. Click Power Management tab.
    Note: The Power Management tab is disabled if the selected device is not SDM-based.
  4. Click VR Telemetry.
  5. To read common register value:
    1. Specify a valid PMBus Address from 0x00 to 0xFF.
    2. Click Read to read the common register value.
  6. To read custom register value:
    1. Specify a valid PMBus Address from 0x00 to 0xFF.
    2. In the Custom Register section, specify a valid Register Address (0x00-0xFF).
    3. Assign a byte size of either 1 or 2 to Total Byte. Default value is 1.
    4. Click Read to read the custom register value.
  7. Click Clear to remove the register values and addresses, and to reset Total Byte to 1.
Figure 16. VR Telemetry Tab