Hardware Design
SIM300Z_HD_V1.01
SIM300Z Hardware Design
SIM300Z_HD_V1.01 23.01.2007
2
Document Title:
SIM300Z Hardware Design
Version:
1.01
Date:
2007-01-23
Status:
Release
Document Control ID:
SIM300Z_HD_V1.01
General Notes
Simcom offers this information as a service to its customers, to support application and
engineering efforts that use the products designed by Simcom. The information provided is
based upon requirements specifically provided to Simcom by the customers. Simcom has not
undertaken any independent search for additional relevant information, including any
information that may be in the customer’s possession. Furthermore, system validation of this
product designed by Simcom within a larger electronic system remains the responsibility of
the customer or the customer’s system integrator. All specifications supplied herein are
subject to change.
Copyright
This document contains proprietary technical information which is the property of SIMCOM
Limited., copying of this document and giving it to others and the using or communication of
the contents thereof, are forbidden without express authority. Offenders are liable to the
payment of damages. All rights reserved in the event of grant of a patent or the registration of
a utility model or design. All specification supplied herein are subject to change without
notice at any time.
Copyright © SIMCOM Limited. 2007
SIM300Z Hardware Design
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Contents
Contents ............................................................................................................................................3
Version history..................................................................................................................................7
1 Introduction....................................................................................................................................8
1.1 Related documents ...............................................................................................................8
1.2 Terms and abbreviations.......................................................................................................9
2 Product concept............................................................................................................................12
2.1 SIM300Z key features at a glance......................................................................................13
3 Application interface....................................................................................................................15
3.1 SIM300Z pin description ...................................................................................................15
3.2 Operating modes ................................................................................................................17
3.3 Power supply......................................................................................................................18
3.3.1 Power supply pins on the board-to-board connector ................................................19
3.3.2 Minimizing power losses..........................................................................................19
3.3.3 Monitoring power supply .........................................................................................20
3.4 Power up and power down scenarios .................................................................................20
3.4.1 Turn on SIM300Z.....................................................................................................20
3.4.2 Turn off SIM300Z....................................................................................................22
3.4.3 Restart SIM300Z using the PWRKEY pin...............................................................24
3.5 Power saving ......................................................................................................................25
3.5.1 Minimum functionality mode...................................................................................25
3.5.2 Sleep mode (slow clock mode).................................................................................26
3.5.3 Wake up SIM300Z from SLEEP mode....................................................................26
3.6 Summary of state transitions (except SLEEP mode) .........................................................26
3.7 RTC backup........................................................................................................................27
3.8 Serial interfaces..................................................................................................................30
3.8.1 Function of serial port & debug port supporting ......................................................31
3.8.2 Software upgrade and software debug......................................................................32
3.9 Audio interfaces .................................................................................................................33
3.9.1 Speaker interface configuration................................................................................35
3.9.2 Microphone interfaces configuration........................................................................36
3.9.3 Earphone interface configuration .............................................................................36
3.9.4 Referenced electronic characteristic.........................................................................37
3.10 Buzzer ..............................................................................................................................38
3.11 SIM card interface............................................................................................................38
3.11.1 SIM card application ..............................................................................................38
3.11.2 Design considerations for SIM card holder ............................................................40
3.12 LCD interface...................................................................................................................43
3.13 ADC .................................................................................................................................43
3.14 Behaviors of the RI line (serial port1 interface only).......................................................43
3.15 Network status indication LED lamp ...............................................................................44
SIM300Z Hardware Design
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3.16 General purpose input & output (GPIO) ..........................................................................45
4 Antenna interface .........................................................................................................................46
4.1 Antenna installation............................................................................................................46
4.1.1 Antenna connector....................................................................................................46
4.1.2 Antenna pad..............................................................................................................46
4.2 Module RF output power ...................................................................................................46
4.3 Module RF receive sensitivity............................................................................................47
4.4 Module operating frequencies............................................................................................47
5 Electrical, reliability and radio characteristics .............................................................................48
5.1 Absolute maximum ratings.................................................................................................48
5.2 Operating temperatures ......................................................................................................48
5.3 Power supply ratings ..........................................................................................................49
5.4 Current consumption..........................................................................................................50
5.5 Electro-Static discharge......................................................................................................51
6 Mechanics ....................................................................................................................................52
6.1 Mechanical dimensions of SIM300Z .................................................................................52
6.2 Mounting SIM300Z onto the application platform ............................................................53
6.3 Board-to-board connector ..................................................................................................53
6.3.1 Mechanical dimensions of the ENTERY 1008-G60N-01R .....................................53
6.4 RF adapter cabling .............................................................................................................55
6.5 Top view of the SIM300Z ..................................................................................................57
6.6 PIN assignment of board-to-board connector of SIM300Z................................................58
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APPENDIX D – Tables and Figures
Table Index
TABLE 1: RELATED DOCUMENTS.....................................................................................................8
TABLE 2: TERMS AND ABBREVIATIONS .........................................................................................9
TABLE 3: SIM300Z KEY FEATURES .................................................................................................13
TABLE 4: CODING SCHEMES AND MAXIMUM NET DATA RATES OVER AIR INTERFACE..14
TABLE 5: BOARD-TO-BOARD CONNECTOR PIN DESCRIPTION ...............................................15
TABLE 6: OVERVIEW OF OPERATING MODES..............................................................................17
TABLE 7: AT COMMANDS USED IN ALARM MODE.....................................................................22
TABLE 8: SUMMARY OF STATE TRANSITIONS.............................................................................26
TABLE 9: LOGIC LEVELS OF SERIAL PORTS PINS.......................................................................30
TABLE 10: AUDIO INTERFACE SIGNAL..........................................................................................34
TABLE 11: MIC INPUT CHARACTERISTICS ...................................................................................37
TABLE 12: AUDIO OUTPUT CHARACTERISTICS ..........................................................................37
TABLE 13: BUZZER OUTPUT CHARACTERISTICS .......................................................................37
TABLE 14: SIGNAL OF SIM INTERFACE (BOARD-TO-BOARD CONNECTOR).........................39
TABLE 15: PIN DESCRIPTION (AMPHENOL SIM CARD HOLDER) ............................................41
TABLE 16: PIN DESCRIPTION (MOLEX SIM CARD HOLDER) ....................................................42
TABLE 17: PIN DEFINE OF LCD INTERFACE .................................................................................43
TABLE 18: ADC PIN OF SIM300Z ......................................................................................................43
TABLE 19: BEHAVIOURS OF THE RI LINE(PIN48).........................................................................43
TABLE 20: WORKING STATE OF NETWORK STATUS INDICATION LED PIN ..........................45
TABLE 21: GPIO PINS OF SIM300Z...................................................................................................45
TABLE 22: SIM300Z CONDUCTED RF OUTPUT POWER ..............................................................46
TABLE 23: SIM300Z CONDUCTED RF RECEIVE SENSITIVITY...................................................47
TABLE 24: SIM300Z OPERATING FREQUENCIES..........................................................................47
TABLE 25: ABSOLUTE MAXIMUM RATINGS.................................................................................48
TABLE 26: SIM300Z OPERATING TEMPERATURE ........................................................................48
TABLE 27: SIM300Z POWER SUPPLY RATINGS.............................................................................49
TABLE 28: SIM300Z CURRENT CONSUMPTION............................................................................50
TABLE 29: THE ESD ENDURE STATUE MEASURED TABLE (TEMPERATURE: 25℃,
HUMIDITY:45% ) .........................................................................................................................51
TABLE 30: CONNECTION DIAGRAMS ............................................................................................58