Neoway Technology 125X GPRS Module User Manual Neo M590 GPRS Module User Guide V1 2x

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M590 GPRS Module
Hardware User Guide
Version 1.2
M590 GPRS Module Hardware User Guide
Copyright © Neoway Technology Co., Ltd 2014. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without prior
written consent of Shenzhen Neoway Technology Co., Ltd.
is the trademark of Neoway Technology Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective
holders.
Notice
This document is intended for system engineers (SEs), development engineers, and test engineers.
The information in this document is subject to change without notice due to product version update or
other reasons.
Every effort has been made in preparation of this document to ensure accuracy of the contents, but all
statements, information, and recommendations in this document do not constitute a warranty of any
kind, express or implied.
Neoway provides customers complete technical support. If you have any question, please contact
your account manager or email to the following email addresses:
Sales@neoway.com.cn
Support@neoway.com.cn
Website: http://www.neoway.com.cn
Copyright © Neoway Technology Co., Ltd
M590 GPRS Module Hardware User Guide
Revision Record
Issue
Changes
Revised By
Date
V1.0
Initial draft
Qiao Naiwei
2013-10
V1.1
Modified the description of VCCIO
Qiao Naiwei
2014-04
V1.2
Added chapter 4.
Weng Peibin
2014-05
Copyright © Neoway Technology Co., Ltd
ii
M590 GPRS Module Hardware User Guide
Contents
About This Document ......................................................................................................... 1
1 Introduction to M590 ........................................................................................................ 1
1.1 Overview ..................................................................................................................................... 1
1.2 Block Diagram ............................................................................................................................ 1
1.3 Specifications .............................................................................................................................. 2
2 Pin Description and PCB Foot Print .............................................................................. 3
2.1 Specifications and Encapsulation ................................................................................................ 3
2.2 Pin Definition .............................................................................................................................. 4
2.3 PCB Foot Print ............................................................................................................................ 6
3 Interface Design................................................................................................................. 7
3.1 Power Supply and Switch Interfaces ........................................................................................... 7
3.1.1 Design Requirements ......................................................................................................... 7
3.1.2 VDD_EXT ....................................................................................................................... 10
3.1.3 Power-On/Off Control and Procedure .............................................................................. 10
3.1.4 RESET ............................................................................................................................. 13
3.2 UART ........................................................................................................................................ 13
3.3 DTR and RING ......................................................................................................................... 15
3.3.1 DTR Pin ........................................................................................................................... 15
3.3.2 RING Signal Indicator ..................................................................................................... 16
3.4 SIM Card Interface.................................................................................................................... 16
3.5 Running LED Indicator ............................................................................................................. 18
3.6 RF Interface............................................................................................................................... 19
3.6.1 RF Design and PCB Layout ............................................................................................. 19
3.6.2 Recommended RF Connection......................................................................................... 21
4 Electric Features and Reliability ..................................................................................... 22
4.1 Electric Feature ......................................................................................................................... 22
4.2 Temperature............................................................................................................................... 22
4.3 Current ...................................................................................................................................... 23
4.4 ESD Protection.......................................................................................................................... 23
5 RF Features ....................................................................................................................... 25
5.1 Work Band ................................................................................................................................ 25
5.2 Transmitting Power and Receiving Sensitivity ......................................................................... 25
5.2.1 Transmitting Power .......................................................................................................... 25
5.2.2 Receiving Sensitivity ....................................................................................................... 26
6 Mounting the Module onto the Application Board.................................................. 27
7 Package .............................................................................................................................. 27
8 Abbreviations................................................................................................................... 28
Copyright © Neoway Technology Co., Ltd
iii
M590 GPRS Module Hardware User Guide
Table of Figures
Figure 2-1 Top view of the M590 module ............................................................................................... 3
Figure 2-2 PCB foot print recommended for M590 (unit: mm) .............................................................. 6
Figure 3-1 Current peaks and voltage drops ............................................................................................ 7
Figure 3-2 Capacitors used for the power supply .................................................................................... 8
Figure 3-3 Reference design of power supply control ............................................................................. 8
Figure 3-4 Reference design of power supply controlled by p-MOSFET ............................................... 9
Figure 3-5 Reference designs of separated power supply ...................................................................... 10
Figure 3-6 Power-on procedure ............................................................................................................. 11
Figure 3-7 Power-off procedure ............................................................................................................. 11
Figure 3-8 Reference circuit for power-on/off control ........................................................................... 12
Figure 3-9 Reference circuit for power-on/off controlled by high level ................................................ 12
Figure 3-10 Reset circuit with triode separating .................................................................................... 13
Figure 3-11 Signal connection between DCE and DTE......................................................................... 13
Figure 3-12 Recommended circuit for the communication between 3.3V MCU and UART ................ 14
Figure 3-13 Recommended circuit for the communication between 5V MCU and UART ................... 14
Figure 3-14 RING indicator for incoming call ...................................................................................... 16
Figure 3-15 RING indicator for SMS .................................................................................................... 16
Figure 3-16 Reference design of SIM card interface ............................................................................. 17
Figure 3-17 Reference of SIM card socket ............................................................................................ 17
Figure 3-18 LED indicator ..................................................................................................................... 18
Figure 3-19 Reference design for antenna interface .............................................................................. 19
Figure 3-20 RF layout reference ............................................................................................................ 20
Figure 3-21 Reference RF design when pin 21 is not used .................................................................... 20
Figure 3-22 Encapsulation specifications of Murata RF connector ....................................................... 21
Copyright © Neoway Technology Co., Ltd
iv
M590 GPRS Module Hardware User Guide
Table of Tables
Table 1-1 M590 specifications ................................................................................................................. 2
Table 2-1 M590 pin definition ................................................................................................................. 4
Table 3-1 Power supply and switch interface .......................................................................................... 7
Table 3-2 UART .................................................................................................................................... 13
Table 3-3 DTR and RING pins .............................................................................................................. 15
Table 3-4 SIM Card Interface ................................................................................................................ 16
Table 3-5 LED indicator ........................................................................................................................ 18
Table 4-1 Electric feature of the module................................................................................................ 22
Table 4-2 Temperature Feature .............................................................................................................. 22
Table 4-3 Current feature ....................................................................................................................... 23
Table 4-4 ESD feature of the module .................................................................................................... 23
Table 5-1 Work band.............................................................................................................................. 25
Table 5-2 Transmitting power (EGSM900) ........................................................................................... 25
Table 5-3 Transmitting power (DCS1800) ............................................................................................ 25
Copyright © Neoway Technology Co., Ltd
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:
UART interfaces, used for data communication, firmware updating and commissioning
10-bit ADC input, voltage ranging from 0 V to 2.8 V
Adapting to 1.8 V and 3.0V SIM card
Supporting RING/LIGHT/DTR (sleep mode) functions
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.
Copyright © Neoway Technology Co., Ltd
DTR
RING
UART
SIM
ADC
The following figure shows the block diagram of M590.
M590 GPRS Module Hardware User Guide
1.3 Specifications
Table 1-1 M590specifications
Specifications
Description
Band
EGSM900/DCS1800 MHz dual-band
Supporting band locking
Sensitivity
< -107 dBm
Max. transmit power
EGSM900 Class4(2W)
DCS1800 Class1(1W)
Protocol
Compatible with GSM/GPRS Phase 2/2+
AT
GSM07.07
Extended AT commands
TEXT/PDU
Supporting SMS message receiving and transmitting and alert for new
SMS messages
Supporting SMS message management: reading/deleting/storage/list
GPRS CLASS 12
Max. theoretic uplink rate: 85.6 Kbit/s
Max. theoretic downlink rate: 85.6 Kbit/s
Built-in TCP/IP protocol, supporting multiple links
Supporting server and client modes
CSD data service
USSD
Supporting UART multiplexing
Supporting AT sending, data transmission, and software download
Supporting baudrate from 1200 bit/s to 115200 bit/s
SMS
GPRS feature
Circuit Switch Data
UART
CPU
ARM7-EJ@360MHz
Antenna feature
50 Ω impedance
Operating temperature
-40℃to +85℃
Operating voltage
3.5 V to 4.3 V (3.9 V is recommended)
Peak current
Max 2.0 A
Idle current
18 mA
Current in sleep mode
< 2 mA (live network)
< 1 mA (instrument, DRX=9)
Copyright © Neoway Technology Co., Ltd
M590 GPRS Module Hardware User Guide
2 Pin Description and PCB Foot Print
2.1 Specifications and Encapsulation
Specifications
M590
Dimensions
27.6 mm x 21.6 mm x 2.6 mm (H x W x D)
Weight
2.6 g
Encapsulation
21-pin LCC
Figure 2-1 Top view of the M590 module
21 GPRS_ANT
GND
20 GND
VBAT
19 ON/OFF
VBAT
18 RESET
GND 4
17 NC
M590
TOP View
LIGHT 5
VDD_EXT
16 ADC_IN
15 GND
URXD 7
14 VSIM
UTXD
13 SIM_RST
DTR
12 SIM_CLK
RING 10
11 SIM_DATA
Power
GND
UART
ADC
GPRS_ANT
SIM
NC
Other
Copyright © Neoway Technology Co., Ltd
M590 GPRS Module Hardware User Guide
2.2 Pin Definition
Table 2-1 M590 pin definition
Pin
Name
I/O
Function
Reset
Status
Level
(V)
Feature
Remarks
Power Supply and Switch Interfaces
2, 3
VBAT
Main power supply
input
3.5 V to 4.3 V (3.9 V
is recommended)
Supply power for IO
level shifting circuit.
Load capability: less
than 50 mA
VDD_EXT
2.8 V power supply
output
1, 4,
15, 20
GND
Ground
19
ON/OFF
DI
On/Off input
18
RESET
DI
Reset input
0
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Title                           : Neo_M590 GPRS Module_User Guide V1.2.docx
Author                          : wengpeibin
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Producer                        : pdfFactory Pro 3.52 (Windows XP Professional Chinese)
Create Date                     : 2015:09:09 16:50:08+08:00
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