SBAU353 October   2021

 

  1.   Trademarks
  2. 1EVM Overview
    1. 1.1 ADS131A04EVM Kit
    2. 1.2 ADS131A04EVM Board
  3. 2ADS131A04EVM Quick Start Guide
  4. 3EVM Analog Interface
    1. 3.1 ADC Analog Input Signal Path
    2. 3.2 ADC External Clock (XTAL1/CLKIN and XTAL2) Options
  5. 4Digital Interface
    1. 4.1 SPI Communication
    2. 4.2 Connection to the PHI
    3. 4.3 Digital Header
    4. 4.4 LaunchPad Connectors
  6. 5Power Supplies
  7. 6ADS131A04EVM Initial Setup
    1. 6.1 Default Jumper Settings
    2. 6.2 EVM Graphical User Interface (GUI) Software Installation
  8. 7ADS131A04EVM Software Reference
    1. 7.1 EVM GUI Global Settings for ADC Control
    2. 7.2 Register Map Configuration Tool
    3. 7.3 Time Domain Display Tool
    4. 7.4 Spectral Analysis Tool
    5. 7.5 Histogram Tool
  9. 8ADS131A04EVM Bill of Materials, PCB Layout, and Schematic
    1. 8.1 Bill of Materials
    2. 8.2 PCB Layout
    3. 8.3 Schematic
  10. 9References

4 Digital Interface

As noted in Section 1, the EVM interfaces with the PHI and communicates with the computer over the USB. There are two devices on the EVM with which the PHI communicates: the ADS131A04 ADC (over SPI) and the EEPROM (over I2C). The EEPROM comes pre-programmed with the information required to configure and initialize the ADS131A04EVM platform. When the hardware is initialized, the EEPROM is no longer used.