SimCom SIM900D EVB Manuals

Manuals and User Guides for SimCom SIM900D EVB. We have 4 SimCom SIM900D EVB manuals available for free PDF download: Hardware Design, User Manual, Command Manual

SimCom SIM900D EVB Hardware Design (63 pages)

Brand: SimCom | Category: Control Unit | Size: 2 MB

Table of Contents
3
Contents
3
Version History
7
1 Introduction

8
- Related Documents
  8
- Terms and Abbreviations
  8
- Safety Precautions
  11
2 SIM900D Overview

13
- SIM900D Key Features
  13
- SIM900D Functional Diagram
  15
- SIM900D Evaluation Board
  16
- Figure2: Top View of Sim900D Evb
  17
3 Application Interface

18
- SIM900D Pin Description
  18
- Operating Modes
  21
- Power Supply
  22
  - Power Supply Pins
    23
  - Minimizing Power Losses
    23
  - Monitoring Power Supply
    24
- Power up and Power down Scenarios
  24
- Charging Interface
  28
- Summary of State Transitions (Except SLEEP Mode)
  32
- Power Saving
  33
- RTC Backup
  34
- Figure14: Rtc Supply from Non-Chargeable Battery
  35
- Serial Interfaces
  36
- Audio Interfaces
  40
- SIM Card Interface
  44
- LCD Display Interface
  48
- Adc
  48
- Behaviors of the RI
  49
- Network Status Indication
  50
- General Purpose Input Output (GPIO)
  51
- Pwm
  51
- Table24: Pin Definition of the Pwm
  52
4 Antenna Interface

53
5 Electrical, Reliability and Radio Characteristics

54
6 Mechanics

58

SimCom SIM900D EVB Hardware Design (51 pages)

Brand: SimCom | Category: Control Unit | Size: 2 MB

Contents

3
- Table of Contents
  3
Version History

7
1 Introduction

8
2 SIM900D Overview

8
3 Package Information

13
4 Application Interface

18
- Power Supply
  18
  - Minimizing Voltage Drop of VBAT
    19
  - Monitoring Power Supply
    19
- Power On/Down Scenarios
  19
- Power Saving Mode
  23
- Charging Interface
  24
- RTC Backup
  28
- Serial Interfaces
  29
  - Function of Serial Port and Debug Port
    30
  - Software Upgrade and Debug
    31
- Audio Interfaces
  31
- SIM Card Interface
  34
- LCD Display/Spi Interface
  37
- Adc
  37
- RI Behaviors
  37
- Network Status Indication
  38
- General Purpose Input/Output (GPIO)
  39
- Pwm
  39
- Antenna Interface
  40
5 Electrical, Reliability and Radio Characteristics

41
- Absolute Maximum Ratings
  41
- Recommended Operating Conditions
  41
- Digital Interface Characteristics
  41
- SIM Card Interface Characteristics
  41
- SIM_VDD Characteristics
  42
- VRTC Characteristics
  42
- Current Consumption (VBAT = 3.8V)
  42
- Electro-Static Discharge
  43
- Radio Characteristics
  44
6 Manufacturing

47
- Top and Bottom View of SIM900D
  47
- Typical Solder Reflow Profile
  47
Appendix

48
- Related Documents
  48
- Terms and Abbreviations
  49
- Safety Caution
  50

SimCom SIM900D EVB User Manual (20 pages)

Brand: SimCom | Category: Microcontrollers | Size: 0 MB

Table of Contents
3
Contents
3
Version History
4
1 Sim900D Evb

5
2 EVB Accessory

7
3 Accessory Interface

8
- Power Interface
  8
- Audio Interface
  9
- SIM Card Interface
  10
- Antenna Interface
  11
- RS232 Interface
  12
- Operating Status LED
  13
4 Test Interface

14
- J103
  14
- J201
  15
- J104
  16
5 EVB and Accessory Equipment

18
6 Illustration

19
- Running
  19
- Connecting Net and Calling
  19
- Downloading
  19
- Turns off
  19

SimCom SIM900D EVB Command Manual (8 pages)

NTP AT Command

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

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Control Unit Motherboard Microcontrollers Modem

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More SimCom Manuals

SimCom SIM900D EVB Manuals

SimCom SIM900D EVB Hardware Design (63 pages)

Table of Contents

1 Introduction

2 SIM900D Overview

3 Application Interface

4 Antenna Interface

5 Electrical, Reliability and Radio Characteristics

6 Mechanics

SimCom SIM900D EVB Hardware Design (51 pages)

Table of Contents

Contents

Version History

1 Introduction

2 SIM900D Overview

3 Package Information

4 Application Interface

5 Electrical, Reliability and Radio Characteristics

6 Manufacturing

Appendix

SimCom SIM900D EVB User Manual (20 pages)

Table of Contents

1 Sim900D Evb

2 EVB Accessory

3 Accessory Interface

4 Test Interface

5 EVB and Accessory Equipment

6 Illustration

SimCom SIM900D EVB Command Manual (8 pages)

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