User's Manual

M590 GPRS Module Hardware User Guide

About This Document

This document defines the features, indicators, and test standards of the M590 module and provides

reference for the hardware design of each interface. With M590 GPRS Module AT Command Set, this user

guide can help you complete wireless communication application easily.

1 Introduction to M590

M590 is a compact wireless GPRS module that supports downlink EDGE. It can provide functions of SMS

and data services and is widely used in industrial and consumer fields.

1.1 Overview

Neoway M590 module adopts 21-pin LCC encapsulation and its dimensions are 27.6 mm x 21.6 mm x 2.6

mm. It provides customers the following hardware resources:

l UART interfaces, used for data communication, firmware updating and commissioning

l 10-bit ADC input, voltage ranging from 0 V to 2.8 V

l Adapting to 1.8 V and 3.0V SIM card

l Supporting RING/LIGHT/DTR (sleep mode) functions

l Supporting time updating

1.2 Block Diagram

The M590 module consists of baseband controller, Flash ROM, RF section, application interfaces, etc. All

sections coordinate with each other to provide such communication functions as GPRS data and voice.

The following figure shows the block diagram of M590.

DTR

RING

UART

ADC

SIM