SimCom SIM900 Series Manuals

Manuals and User Guides for SimCom SIM900 Series. We have 5 SimCom SIM900 Series manuals available for free PDF download: Hardware Design, Reference Design Manual, User Manual, Operation User's Manual, Command Manual

SimCom SIM900 Series Hardware Design (59 pages)

Brand: SimCom | Category: GPS | Size: 2 MB

Table of Contents
3
Contents
3
Version History
7
1 Introduction

8
- Related Documents
  8
- Terms and Abbreviations
  8
- Safety Caution
  11
2 SIM900 Overview

13
- SIM900 Key Features
  13
- SIM900 Functional Diagram
  15
- SIM900 Evaluation Board
  16
3 Application Interface

17
- SIM900 Pin Description
  17
- Operating Modes
  20
- Power Supply
  21
- Power up and Power down Scenarios
  23
- Power Saving
  29
- Summary of State Transitions (Except SLEEP Mode)
  30
- RTC Backup
  31
- Serial Interfaces
  32
  - Function of Serial Port & Debug Port Supporting
    33
  - Software Upgrade and Software Debug
    34
- Audio Interfaces
  35
- SIM Card Interface
  38
- LCD Display Interface
  42
- Keypad Interface
  42
- Table 16: Pin Define of the Keypad Interface
  43
- Adc
  44
- Behaviors of the RI
  44
- Network Status Indication
  45
- General Purpose Input Output (GPIO)
  46
- External Reset
  47
- Pwm
  47
- I2C Bus
  47
4 Antenna Interface

48
5 Electrical, Reliability and Radio Characteristics

49
- Absolute Maximum Ratings
  49
- Operating Temperatures
  49
- Power Supply Ratings
  50
- Current Consumption(VBAT = 3.8V)
  51
- Electro-Static Discharge
  52
6 Mechanics

52

SimCom SIM900 Series Reference Design Manual (16 pages)

Brand: SimCom | Category: Control Unit | Size: 0 MB

Table of Contents
3
Version History
4
Introduction
5
- References Document
  5
Application Interface
6
- Power Supply Design
  6
  - VBAT Design
    6
  - Battery Charge Design
    7
  - PWRKEY ON/OFF Design
    8
  - Reset Design
    9
  - RTC Backup Design
    9
- UART Interface
  9
  - UART Interface Design
    9
- GPIO Selection
  10
  - STATUS and NETLIGHT
    10
  - Gpio
    11
- Audio Interfaces
  11
  - Referenced Circuit of Headset Design
    12
  - Referenced Circuit of Hand Free Design
    12
- Antenna Matching Circuit Design
  12
- SIM Card Interface
  13
- ESD Protection
  14
- Consideration in PCB Layout
  14

SimCom SIM900 Series User Manual (11 pages)

Brand: SimCom | Category: Modem | Size: 1 MB

SimCom SIM900 Series Operation User's Manual (10 pages)

Brand: SimCom | Category: Modem | Size: 1 MB

SimCom SIM900 Series Command Manual (8 pages)

NTP AT Command

Brand: SimCom | Category: Control Unit | Size: 0 MB

SimCom Categories

Control Unit Motherboard Microcontrollers Modem

GPS

More SimCom Manuals

SimCom SIM900 Series Manuals

SimCom SIM900 Series Hardware Design (59 pages)

Table of Contents

1 Introduction

2 SIM900 Overview

3 Application Interface

4 Antenna Interface

5 Electrical, Reliability and Radio Characteristics

6 Mechanics

SimCom SIM900 Series Reference Design Manual (16 pages)

Table of Contents

SimCom SIM900 Series User Manual (11 pages)

Table of Contents

SimCom SIM900 Series Operation User's Manual (10 pages)

SimCom SIM900 Series Command Manual (8 pages)

Related Products

SimCom Categories