TIDUF98A October   2024  – February 2025

1.   1
2.   Description
3.   Resources
4.   Features
5.   Applications
6.   6
7. 1System Description
   1. 1.1 End Equipment
      1. 1.1.1 Electricity Meter
   2. 1.2 Key System Specifications
8. 2System Overview
   1. 2.1 Block Diagram
   2. 2.2 Highlighted Products
      1. 2.2.1 ADS131M03
      2. 2.2.2 MSPM0L2228
      3. 2.2.3 THVD1400
      4. 2.2.4 ISO6731
      5. 2.2.5 DRV5032
   3. 2.3 Design Considerations
      1. 2.3.1 Design Hardware Implementation
         1. 2.3.1.1 Analog Inputs
            1. 2.3.1.1.1 Voltage Measurement Analog Front End
            2. 2.3.1.1.2 Current Measurement Analog Front End
      2. 2.3.2 Energy Metrology Software
         1. 2.3.2.1 Software Architecture
         2. 2.3.2.2 Setup
            1. 2.3.2.2.1 Clocking Scheme
            2. 2.3.2.2.2 SPI
            3. 2.3.2.2.3 UART Setup for GUI Communication
            4. 2.3.2.2.4 Real-Time Clock
            5. 2.3.2.2.5 LCD Controller
            6. 2.3.2.2.6 Direct Memory Access
   4. 2.4 Hardware, Software, Testing Requirements, and Test Results
      1. 2.4.1 Required Hardware and Software
         1. 2.4.1.1 Cautions and Warnings
         2. 2.4.1.2 Hardware
            1. 2.4.1.2.1 Connections to the Test Setup
            2. 2.4.1.2.2 Power Supply Options and Jumper Settings
         3. 2.4.1.3 Calibration
      2. 2.4.2 Testing and Results
         1. 2.4.2.1 Test Setup
            1. 2.4.2.1.1 Viewing Metrology Readings and Calibration
               1. 2.4.2.1.1.1 Viewing Results From LCD
               2. 2.4.2.1.1.2 Viewing Results From PC GUI
         2. 2.4.2.2 Electricity Meter Metrology Accuracy Testing
         3. 2.4.2.3 Electricity Meter Metrology Accuracy Results
9. 3Design Files
   1. 3.1 Schematics
   2. 3.2 Bill of Materials
   3. 3.3 PCB Layout Recommendations
      1. 3.3.1 Layout Prints
   4. 3.4 Altium Project
   5. 3.5 Gerber Files
   6. 3.6 Assembly Drawings
10. 4Related Documentation
    1. 4.1 Trademarks
11. 5About the Authors
12. 6Revision History