SIM Tech SimCom SIM340 GSM Control Unit Manuals

SIM Tech SimCom SIM340 GSM Control Unit Manuals

Manuals and User Guides for SIM Tech SimCom SIM340 GSM Control Unit. We have 1 SIM Tech SimCom SIM340 GSM Control Unit manual available for free PDF download: Hardware Design

SIM Tech SimCom SIM340 Hardware Design

SIM Tech SimCom SIM340 Hardware Design (69 pages)

Brand: SIM Tech | Category: Control Unit | Size: 2.09 MB

Table of Contents

Table of Contents
3
Contents
3
Version History
7
1 Introduction

9
- Related Documents
  9
- Terms and Abbreviations
  10
2 SIM340 Overview

13
- SIM340 Key Features
  14
- SIM340 Functional Diagram
  15
- SIM340 Evaluation Board
  16
3 Application Interface

18
- SIM340 Pin Description
  18
- Operating Modes
  21
- Power Supply
  22
- Power up and Power down Scenarios
  24
  - Turn on SIM340
    24
  - Turn off SIM340
    27
  - Restart SIM340 Using the PWRKEY Pin
    29
- Power Saving
  30
- Summary of State Transitions (Except SLEEP Mode)
  31
- RTC Backup
  32
- Serial Interfaces
  35
  - Function of Serial Port & Debug Port Supporting
    36
  - Software Upgrade and Software Debug
    37
- Audio Interfaces
  39
- Buzzer
  43
- SIM Card Interface
  43
  - SIM Card Application
    43
  - Design Considerations for SIM Card Holder
    45
- LCD Display Interface
  48
- Keypad Interface
  48
- Adc
  49
- Behaviors of the RI
  50
- Network Status Indication
  51
- General Purpose Input & Output (GPIO)
  52
4 Antenna Interface

53
- Antenna Installation
  53
  - Antenna Connector
    53
  - Antenna Pad
    53
- Module RF Output Power
  53
- Module RF Receive Sensitivity
  54
- Module Operating Frequencies
  54
5 Electrical, Reliability and Radio Characteristics

55
- Absolute Maximum Ratings
  55
- Operating Temperatures
  55
- Power Supply Ratings
  56
- Current Consumption
  57
- Electro-Static Discharge
  58
6 Product Information

59
7 Mechanics

60

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