User Manuals: SIM Tech SIMCom SIM2000S GSM/GPRS Module

Manuals and User Guides for SIM Tech SIMCom SIM2000S GSM/GPRS Module. We have 1 SIM Tech SIMCom SIM2000S GSM/GPRS Module manual available for free PDF download: Hardware Design

SIM Tech SIMCom SIM2000S Hardware Design

SIM Tech SIMCom SIM2000S Hardware Design (54 pages)

single CDMA module

Brand: SIM Tech | Category: GSM/GPRS Modules | Size: 2 MB

Table of Contents

Table of Contents
3
Version History

8
1 Introduction

9
2 SIM2000S Overview

9
- SIM2000S Key Features
  9
- Operating Mode
  11
- Functional Diagram
  11
- Figure 1: Sim2000S Functional Diagram
  12
3 Package Information

13
- Pin out Diagram
  13
- Pin Description
  13
- Package Dimensions
  16
- Figure 4: Recommended Pcb Footprint Outline (Unit: MM)
  17
4 Application Interface

18
- Power Supply
  18
  - Power Supply Pin
    19
  - Monitoring Power Supply
    19
- Power On/Down Scenarios
  19
  - Power on SIM2000S
    19
  - Figure 8: Powered On/Down Module Using Transistor
    20
  - Power down SIM2000S
    21
  - Reset Function
    22
- Power Saving Mode
  23
- Serial Port and Debug Interface
  24
- RI Behaviors
  28
- Figure 18: Ri Behaviour of Voice Calling as a Receiver
  29
- Audio Interfaces
  30
- RUIM Card Interface
  31
- PCM Interface
  34
  - PCM Multiplexing Function
    35
  - PCM Interface
    35
  - Auxiliary PCM (128 Khz PCM Clock)
    35
  - Table 22: Timing Parameters
    36
  - Primary PCM (2048Khz PCM Clock)
    37
- Keypad Interface
  38
  - Keypad Multiplexing Function
    39
- I2C Bus
  39
  - I2C Multiplexing Function
    39
- General Purpose Input/Output (GPIO)
  40
- Adc
  40
- Pwm
  40
- Network Status Indication
  41
- NETLIGHT Multiplexing Function
  42
- Operating Status Indication
  42
  - STATUS Multiplexing Function
    42
- Antenna Interface
  42
- Figure 38: Antenna Matching Circuit
  43
5 PCB Layout

44
- Pin Assignment
  44
- Principle of PCB Layout
  45
  - Antenna Interface
    45
  - Power Supply
    45
  - RUIM Card Interface
    45
  - Audio Interface
    45
  - Others
    45
6 Electrical, Reliability and Radio Characteristics

46
- Absolute Maximum Ratings
  46
- Recommended Operating Conditions
  46
- Digital Interface Characteristics
  46
- RUIM_VDD Characteristics
  47
- VDD_EXT Characteristics
  47
- Electro-Static Discharge
  47
- Radio Characteristics
  47
- Table 46: Operating Frequencies
  48
7 Manufacturing

49
8 Appendix

51
- Related Documents
  51
- Terms and Abbreviations
  52
- Safety Caution
  53

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