用户手册 — AeroComm Corporation 4424200

目录

• 1. Overview

  6
• 2. LT4424 Specifications

  7
• 3. Specifications

  8
  • 3.1 Interface Signal Definitions

    8
  • 3.2 Electrical Specifications

    9
  • 3.3 System Timing

    9
    • 3.3.1 Serial Interface Data Rate

      9
    • 3.3.2 Timing Diagrams

      10
    • 3.3.3 Maximum Overall System Throughput

      11
  • 4. Configuring the LT4424

    12
    • 4.1 EEPROM Parameters

      12
    • 4.2 Configuring the LT4424

      14
    • Command Reference

      14
    • 4.4 LT4424 AT Commands

      16
      • 4.4.1 Enter AT Command Mode

        16
      • 4.4.2 Exit AT Command Mode

        16
    • 4.5 On-the-Fly Control Commands (CC Command Mode)

      17
      • 4.5.1 Status Request

        17
      • 4.5.2 Change Channel with Forced Acquisition Sync

        18
      • 4.5.3 Server/Client

        18
    • 4.6 Broadcast Mode

      18
    • 4.7 Write Destination Address

      20
    • 4.8 Read Destination Address

      20
    • 4.9 EEPROM Byte Read

      20
    • 4.10 EEPROM Byte Write

      21
    • 4.11 Reset

      21
  • 5. Theory of Operation

    22
    • 5.1 Hardware interface

      22
      • 5.1.1 TXD (Transmit Data) and RXD (Receive Data) (pins 2 and 3 respectively)

        22
      • 5.1.2 Hop Frame (pin 6)

        22
      • 5.1.3 CTS Handshaking (pin 7)

        22
      • 5.1.4 RTS Handshaking (pin 8)

        22
      • 5.1.5 9600 Baud/Packet Frame (pin 12)

        23
      • 5.1.6 RSSI (pin 13)

        23
      • 5.1.7 Wr_ENA(EEPROM Write Enable) (pin 14)

        23
      • 5.1.8 UP_RESET (pin 15)

        23
      • 5.1.9 Command/Data (pin 17)

        23
      • 5.1.10 In Range (pin 20)

        24
    • 5.2 Software Parameters

      25
      • 5.2.1 RF Architecture (Server-Client/Peer-to-Peer)

        25
      • 5.2.2 RF Mode

        25
      • 5.2.3 Random Back Off

        26
    • 5.3 Duplex Mode

      26
    • 5.4 Interface Timeout/RF Packet Size

      27
    • 5.5 Serial Interface Baud Rate

      27
      • Auto Config

        28
  • 6. Dimensions

    29
  • 7. Ordering Information

    30
    • 7.1 Product Part Numbers

      30
    • 7.2 Developer Kit Part Numbers

      30
  • 1.

    30
  • 8. Regulatory Information

    31
    • 8.1 Agency Identification Numbers

      31
    • Approved Antenna List

      31
      • Part Number

        31
    • 8.2 FCC/IC Requirements For Modular Approval

      31
    • 8.3 OEM Equipment Labeling Requirements

      32
    • 8.4 Antenna Requirements

      32
    • 8.5 Warnings Required In OEM Manuals

      32