SLAU913 august   2023 AFE539A4

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  8. 2Hardware
    1. 2.1 Hardware Description
      1. 2.1.1 Theory of Operation
        1. 2.1.1.1 Signal Definitions
    2. 2.2 Hardware Setup
      1. 2.2.1 Electrostatic Discharge Caution
      2. 2.2.2 Power Configurations and Jumper Settings
      3. 2.2.3 Connecting the Hardware
  9. 3Software
    1. 3.1 Software Setup
      1. 3.1.1 Operating Systems
      2. 3.1.2 Software Installation
    2. 3.2 Software Description
      1. 3.2.1 Starting the Software
      2. 3.2.2 Software Features
        1. 3.2.2.1 High Level Configuration Page
        2. 3.2.2.2 Low Level Configuration Page
  10. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 PCB Layout
    3. 4.3 Bill of Materials
  11. 5Additional Information
    1.     Trademarks
  12. 6Related Documentation from Texas Instruments

Signal Definitions

The AFE539A4EVM provides access to all AFE pins through connection J1 and J2. Figure 2-1 shows the J1 and J2 pin definitions.

Table 2-1 AFE539A4EVM J1 Pin Definitions
Pin#SignalDescription
1GNDGround
2AFE_SDISPI SDI signal for AFE
3AFE_SYNCSPI SYNC signal for AFE
4AFE_SDAI2C SDA
5GNDGround
6GNDGround
7NCNot Connected
8FTDI_GPIO3GPIO3 output of the on-board controller
9AFE_GPIOGPIO input for AFE539A4
10AFE_MODEStand alone or programming mode selection pin
11AFE_VREFVREF input to the AFE
12AFE_CAPLDO bypass capacitor
13AFE_OUT0Output pin for AFE
14AFE_ADCADC input
15AFE_OUT1Output pin for AFE VOUT1
16AFE_FB1Feedback pin for AFE VOUT1
Table 2-2 AFE539A4EVM J2 Pin Definitions
Pin#SignalDescription
1AFE_VDDVDD power supply for DAC
2AFE_SCLKSPI SCLK
3AFE_SDOSPI SDO
4AFE_SCLI2C SCL
5EXT_REFExternal reference input for DAC
6GNDGround
7GNDGround
8GNDGround
9NCNot connected
10NCNot connected
11AFE_AENADC enable pin
12AFE_OUT3Output pin for AFE VOUT3
13GNDGround
14GNDGround
15AFE_AIN2AFE comparator input
16AFE_FB2Feedback pin for AFE VOUT2