User's Manual

Smart Machine Smart Decision

SIM5320_Hardware Design_V1.01 2011-11-10

1 Introduction

This document describes electronic specifications, RF specifications, function interface, mechanical

characteristic and testing conclusions of the SIMCom SIM5320AD module. With the help of this

document and other SIM5320AD software application notes, user guides, users can quickly understand

and use SIM5320AD module to design and develop applications quickly.

1.1 Product Outline

Designed for global market, SIM5320AD is a quad-band GSM/GPRS/EDGE and dual-band UMTS

/HSDPA that works on frequencies of GSM 850MHz, EGSM 900 MHz, DCS 1800 MHz, PCS 1900MHz

and WCDMA 1900/850MHz. The SIM5320 support HSDPA.User can choose the module based on the

wireless network configuration.

With a tiny configuration of 30*30*2.9 mm and integrated functions, SIM5320AD can meet almost any

space requirement in users’ application, such as Smart phone, PDA phone, industrial handhelds,

machine-to-machine, vehicle applications, etc..

There are 80 pins on SIM5320AD, which provide most application interfaces for customers’ board.

1.2 Hardware Interface Overview

Sub-interfaces are described in detail in the next chapter, which includes:

● Power Supply

● USB Interface

● Serial Interface

● SIM Interface

● GPIO

● ADC

● LDO Power Output

● Sink Current Source

● Keypad Interface

● SPI Interface

● RTC

● I2C Interface

1.3 Hardware Diagram

The global architecture of the SIM5320AD Embedded module is described in the figure below.