User Manual
Table Of Contents
- Confidential Material
 - Copyright
 - Revision History
 - Trademarks Notice
 - Contents
 - Preface
 - Introduction
 - Hardware Interface Description
 - Electrical and Environmental Specifications Absolute Maximum Ratings
 - Mechanical Design
 - Antenna Interface
 
G610 GPRS Module Hardware User Manual                  Page 11 of 47 
3  Hardware Interface Description 
The following paragraphs describe in details the hardware requirements for properly interfacing 
and operating the G610 module. 
3.1  Architecture Overview   
The G610 consists of the following blocks:   
3.1.1  Digital Block   
  Micro-controller Unit (MCU) for system and application code execution.   
  Digital Signal Processor (DSP) for voice and data processing.   
  Serial communications interfaces.   
  SPI for trace debug or PCM audio (option) 
  SIM card   
  General purpose IO signals.   
  Real Time Clock (RTC) subsystem.   
3.1.2  Analog Block   
  Power management inside.   
  Internal regulators   
  Analog audio interface management.   
  General purpose dedicated A/D signals.   










