hardware design v2.00
Table Of Contents
- Contents
- Version History
- 1 Introduction
- 2 SIM908 Overview
- 3 Package Information
- 4 GSM Application Interface
- 4.1 Power Supply
- 4.2 Power on/down Scenarios
- 4.3 Power Saving Mode
- 4.4 Charging Interface
- 4.5 RTC Backup
- 4.6 Serial Interfaces
- 4.7 Audio Interfaces
- 4.8 SIM Card Interface
- 4.9 LCD Display/SPI Interface
- 4.10 Keypad Interface
- 4.11 ADC
- 4.12 RI Behaviors
- 4.13 Network Status Indication
- 4.14 General Purpose Input/Output (GPIO)
- 4.15 PWM
- 4.16 I2C Bus
- 4.17 GSM Antenna Interface
- 5 GPS Application Interface
- 6 Electrical, Reliability and Radio Characteristics
- 6.1 Absolute Maximum Ratings
- 6.2 Recommended Operating Conditions
- 6.3 Digital Interface Characteristics
- 6.4 SIM Card Interface Characteristics
- 6.5 VDD_EXT Characteristics
- 6.6 SIM_VDD Characteristics
- 6.7 VRTC Characteristics
- 6.8 Current Consumption (VBAT = 3.8V, GPS engine is powered down)
- 6.9 Electro-Static Discharge
- 6.10 Radio Characteristics
- 6.11 Module label information
- Appendix
Smart Machine Smart Decision
SIM908_Hardware Design_V2.00 2012.05.07
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Appendix
A. Related Documents
Table 34: Related documents
SN Document name Remark
[1] SIM908_AT Command
Manual
SIM908 AT Command Manual
[2] AN_SIM900_TCPIP TCP/IP Applications User Manual
[3] SIM900_Multiplexer User
Manual_Application Note
SIM908 Multiplexer User Manual Application Note
[4] AN_SIM900
Series_Update Tool_UGD
SIM908 Series Update Tool User Guide
[5] AN_SIM900_AUDIO Applications Note About SIM908 Audio
[6] AN_SIM900_Audio
LINE-IN input
Applications Note About SIM908 LINE-IN Input
[7] SIM900_Embedded AT
Application Note
SIM908 Embedded AT Application Note
[8] AN_Serial Port Application Note About Serial Port
[9] AN_SIM900-TE PCB
Layout & Schematic for
Reference
Application Note About SIM908-TE PCB Layout & Schematic
[10] Module
secondary-SMT-UGD
Module secondary SMT User Guide
[11] ITU-T Draft new
recommendation V.25ter:
Serial asynchronous automatic dialing and control
[12] GSM 07.07: Digital cellular telecommunications (Phase 2+); AT command set for GSM
Mobile Equipment (ME)
[13] GSM 07.10: Support GSM 07.10 multiplexing protocol
[14] GSM 07.05: Digital cellular telecommunications (Phase 2+); Use of Data Terminal
Equipment – Data Circuit terminating Equipment (DTE – DCE) interface
for Short Message Service (SMS) and Cell Broadcast Service (CBS)
[15] GSM 11.14: Digital cellular telecommunications system (Phase 2+); Specification of
the SIM Application Toolkit for the Subscriber Identity Module – Mobile
Equipment (SIM – ME) interface
[16] GSM 11.11: Digital cellular telecommunications system (Phase 2+); Specification of
the Subscriber Identity Module – Mobile Equipment (SIM – ME) interface
[17] GSM 03.38: Digital cellular telecommunications system (Phase 2+); Alphabets and
language-specific information
[18] GSM 11.10 Digital cellular telecommunications system (Phase 2); Mobile Station
(MS) conformance specification; Part 1: Conformance specification