LEA M8S / M8T Hardware Integration Manual (UBX 13003140)

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• Contents
• 1 Hardware description
  • 1.1 Overview
  • 1.2 Configuration
  • 1.3 Connecting power
    • 1.3.1 VCC: Main Supply Voltage
    • 1.3.2 V_BCKP: Backup Supply Voltage
    • 1.3.3 VDD_USB: USB interface power supply
    • 1.3.4 VCC_RF: Output Voltage RF section
    • 1.3.5 V_ANT: Antenna supply
  • 1.4 Interfaces
    • 1.4.1 UART
    • 1.4.2 USB
    • 1.4.3 Display Data Channel (DDC)
    • 1.4.4 SPI (LEA-M8T ONLY)
    • 1.4.5 TX Ready signal
  • 1.5 I/O pins
    • Electromagnetic interference on I/O lines
• 2 Design
  • 2.1 Pin description
  • 2.2 Minimal design
  • 2.3 Footprint and paste mask
  • 2.4 Antenna and Antenna supervision
    • 2.4.1 Antenna design with passive antenna
      • Minimal setup with a good patch antenna
      • Setup for best performance with passive antenna
    • 2.4.2 Active antenna design
      • Active antenna design powered from external supply
• 3 Migration to u-blox M8 modules
  • 3.1 Migrating u-blox 6 designs to a u-blox M8 module
  • 3.2 Hardware migration LEA-6N -> LEA-M8S
  • 3.3 Hardware migration LEA-6T -> LEA-M8T
  • 3.4 Software migration
• 4 Product handling
  • 4.1 Packaging, shipping, storage and moisture preconditioning
  • 4.2 Soldering
  • 4.3 EOS/ESD/EMI precautions
  • 4.4 Applications with cellular modules
• Appendix
  • Recommended parts
  • A.1 Design-in recommendations in combination with cellular operation
• Related documents
• Revision history
• Contact