Benutzerhandbuch für AeroComm Corporation AC4490

Inhaltsverzeichnis

• AC4490 Transceiver Module

  7
  • AC4490 features

    7
  • Overview

    7
• Specifications

  9
  • Pin Definitions

    10
  • Electrical Specifications

    12
• Theory of Operation

  13
  • RF Architecture

    13
  • Modes of Operation

    13
    • Transmit Mode

      13
    • Receive Mode

      13
    • Command Mode

      14
  • API CONTROL

    14
    • Receive API Packet

      15
    • API Transmit Packet

      15
    • API Send Data Complete

      15
    • API Receive Packet

      15
  • Protocol Status/Receive Acknowledgement

    16
    • Protocol Status

      16
    • Receive Acknowledgement

      16
  • Long Range Mode

    16
• Serial Interface

  18
  • Serial Communications

    18
    • Asynchronous Operation

      18
    • Parity

      18
  • OEM Host Data Rate

    19
  • Serial Interface Baud Rate

    19
  • Interface Timeout / RF Packet Size

    20
  • Flow Control

    21
  • Half Duplex / Full Duplex

    21
  • System Timing & Latency

    21
  • System Throughput

    22
• Software Interface

  23
  • Networking

    23
  • One Beacon Mode / Range Refresh

    24
  • Auto Config Parameters

    24
  • Interface Options

    25
    • Modem Mode

      25
    • RS485 Modem Mode

      26
  • Max Power

    26
• Timing Diagrams

  27
  • AC4490 Timing Diagrams

    27
• Hardware Interface

  29
  • Pin Definitions

    29
    • Generic I/O

      29
    • TXD & RXD

      29
    • Hop Frame

      29
    • CTS

      29
    • GND

      29
    • RTS

      29
    • Test / 9600 Baud

      30
    • RSSI

      30
    • UP_Reset

      31
    • Command/Data

      31
    • AD In

      31
• Configuring the AC4490

  32
  • AT Commands

    33
    • On-the-Fly Control Commands

      33
  • Command Descriptions

    36
• EEPROM Parameters

  42
• Dimensions

  46
  • Mechanical Drawings

    46
• Ordering Information

  50
  • Product Part Number Tree

    50
  • Developer Kit Part Numbers

    50
• Compliancy Information

  51
  • AC4490-1x1

    51
  • Agency Identification Numbers

    51
  • Approved Antenna List

    51
  • FCC / IC Requirements for Modular Approval

    52
  • OEM Equipment Labeling Requirements

    52
  • Antenna Requirements

    53
  • Warnings required in OEM Manuals

    53
  • Channel Warning

    53
• Appendix I - Sample Power Supply

  54
  • Bill of Materials

    54
  • Schematic

    55
  • PCB Layout

    55
• Appendix II - 5V to 3.3V Levels

  57
  • Voltage Level Conversion IC’s

    57
  • Passive Resistor Voltage Divider

    57
• Appendix III - API

  58
  • Polling Network

    58
    • Addressed Transmit API

      59
    • Broadcast Transmit API

      59
    • Receive API

      60
    • Enhanced Receive API

      61
    • Normal Receive Mode (non-API)

      61
  • Loopback Repeater

    61
  • Time Division Multiple Access Network

    62
• Appendix IV - Sync to Channel

  63
  • Sync to Channel

    63
    • What is it and do I need it?

      63
    • How do I configure Sync to Channel?

      65
    • I've configured my radios, what's next?

      71