Document Outline

• Features & Description
• Table of Contents
• List of Figures
• List of Tables
• 1. Initial Setup
  • 1.1 Kit Contents
  • 1.2 Hardware Setup
    • 1.2.1 Default Jumper Settings
  • 1.3 Software Setup
    • 1.3.1 PC Requirements
    • 1.3.2 Seismic Evaluation Software Installation
    • 1.3.3 USBXpress Driver Installation
    • 1.3.4 Launching the Seismic Evaluation Software
  • 1.4 Self-Testing CRD5376
    • 1.4.1 Noise Test
    • 1.4.2 Distortion Test
• 2. Hardware Description
  • 2.1 Block Diagram
  • 2.2 Analog Hardware
    • 2.2.1 Analog Inputs
      • 2.2.1.1 External Inputs - INA
      • 2.2.1.2 GUARD Output, GND Connection
      • 2.2.1.3 Internal Inputs - DAC_OUT, DAC_BUF
      • 2.2.1.4 Input Protection
      • 2.2.1.5 Input RC Filters
      • 2.2.1.6 Common Mode Bias
      • 2.2.1.7 Analog Test Switches
    • 2.2.2 Differential Amplifiers
      • 2.2.2.1 MCLK/2 Input vs. GUARD Output
      • 2.2.2.2 Rough-Fine Outputs - OUTR, OUTF
      • 2.2.2.3 Anti-alias RC Filters
    • 2.2.3 Delta-Sigma Modulators
      • 2.2.3.1 Rough-Fine Inputs - INR, INF
      • 2.2.3.2 Offset Enable - OFST
    • 2.2.4 Delta-Sigma Test DAC
      • 2.2.4.1 Precision Output - DAC_OUT
      • 2.2.4.2 Buffered Output - DAC_BUF
    • 2.2.5 Voltage Reference
      • 2.2.5.1 VREF_MOD12, VREF_MOD34, VREF_DAC
  • 2.3 Digital Hardware
    • 2.3.1 Digital Filter
      • 2.3.1.1 MCLK vs. MCLK/2 Usage
      • 2.3.1.2 Configuration - SPI 1 Port
      • 2.3.1.3 Digital Control Signals
    • 2.3.2 Microcontroller
      • 2.3.2.1 SPI Interface
      • 2.3.2.2 USB Interface
      • 2.3.2.3 Reset Source
      • 2.3.2.4 Clock Source
      • 2.3.2.5 Timebreak Signal
      • 2.3.2.6 C2 Debug Interface
    • 2.3.3 Phase Locked Loop
    • 2.3.4 RS-485 Telemetry
      • 2.3.4.1 CLK, SYNC
      • 2.3.4.2 I2C - SCL, SDA, Bypass
    • 2.3.5 UART Connection
    • 2.3.6 External Connector
  • 2.4 Power Supplies
    • 2.4.1 Analog Voltage Regulators
  • 2.5 PCB Layout
    • 2.5.1 Layer Stack
    • 2.5.2 Differential Pairs
    • 2.5.3 Bypass Capacitors
• 3. Software Description
  • 3.1 Menu Bar
  • 3.2 About Panel
  • 3.3 Setup Panel
    • 3.3.1 USB Port
    • 3.3.2 Digital Filter
    • 3.3.3 Analog Front End
    • 3.3.4 Test Bit Stream
    • 3.3.5 Gain/Offset
    • 3.3.6 Data Capture
    • 3.3.7 External Macros
  • 3.4 Analysis Panel
    • 3.4.1 Test Select
    • 3.4.2 Statistics
    • 3.4.3 Plot Enable
    • 3.4.4 Cursor
    • 3.4.5 Zoom
    • 3.4.6 Refresh
    • 3.4.7 Harmonics
    • 3.4.8 Spot Noise
    • 3.4.9 Plot Error
  • 3.5 Control Panel
    • 3.5.1 DF Registers
    • 3.5.2 DF Commands
    • 3.5.3 SPI
    • 3.5.4 Macros
    • 3.5.5 GPIO
    • 3.5.6 Customize
    • 3.5.7 External Macros
• 4. Bill Of Materials
• 5. Layer Plots
• 6. Schematics