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1vv0300773a
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GE863-PRO
3
Hardware User Guide
1vv0300773a Rev. 0 - 24/01/08
Reproduction forbidden without Telit Communications S.p.A.
written authorization - All Rights Reserved
page 42 of 64
An example of level translation circuitry of this kind is:
Contents
Main
GE863-PRO
Hardware User Guide
Contents
Page
Page
Page
1 Overview
2 GE863-PRO3 Mechanical Dimensions
GE863-PRO3 Hardware User Guide
3 GE863-PRO3 module connections
3.1 BALL-OUT
Page
Page
Page
Page
Page
3.2 BALLS LAYOUT
3.3 ARM Port IO multiplexing
Page
GE863-PRO3 Hardware User Guide
ARM PIO Controller C multiplexing
4 Hardware Commands
4.1 Turning ON the GE863-PRO3 GSM/GPRS Engine
1s
10k
4.2 Turning OFF the GE863-PRO3 GSM/GPRS Engine
4.2.1 Hardware shutdown
4.3 Hardware Unconditional Reboot of GSM/GPRS Engine
4.4 Turning ON/OFF the GE863-PRO3 ARM
Page
5 Power Supply
5.1 GSM Power Supply Requirements
5.2 ARM Power Supply Requirements
5.3 VRTC Backup supply
5.4 General Design Rules
5.4.1 Electrical design Guidelines
GE863-PRO
5.4.1.1 + 5V input Source Power Supply Design Guidelines
5.4.1.2 + 12V input Source Power Supply Design Guidelines
5.4.1.3 Battery Source Power Supply Design Guidelines
5.4.1.4 Battery Charge control Circuitry Design Guidelines
Page
5.4.2 Thermal Design Guidelines
5.4.3 Power Supply PCB layout Guidelines
6 Antenna
6.1 GSM Antenna Requirements
6.2 GSM Antenna - PCB line Guidelines
6.3 GSM Antenna - installation Guidelines
6.4 Electro Magnetic Interference - Guidelines
6.5 Logic level specifications
Page
6.5.1 GSM Reset signal
7 Serial Ports
7.1 MODEM SERIAL PORT
Page
7.2 RS232 level translation
Page
Page
8 Audio Section Overview
8.1 INPUT LINES (Microphone)
8.1.1 Short description
8.1.2 Input Lines Characteristics
8.2 OUTPUT LINES (Speaker)
8.2.1 Short description
8.2.2 Output Lines Characteristics
9 The Evaluation Kit for Telit GE863- PRO3 Modules
9.1.1 Short Description
10 GSM/GPRS General Purpose I/O
10.1 Using a GPIO Pad as INPUT
10.2 Using a GPIO Pad as OUTPUT
10.3 Using the RF Transmission Control GPIO7
10.4 Using the RFTXMON Output GPIO3
10.5 Using the Alarm Output
10.6 Using the Buzzer Output GPIO4
10.7 Indication of network service availability
10.8 RTC Bypass out
10.9 VAUX1 power output
11 Mounting the GE863-PRO3 on the Application Board
11.1 General
11.1.1 Stencil
11.1.2 PCB pad Design
11.1.3 Solder paste
11.1.4 GE863-PRO3 Solder Reflow
NOTE: GE863-PRO3 module can accept only one reflow process
11.1.5 Packing System
Section A-A
6.1
B
A
11.1.6 Moisture Sensibility
12 Conformity Assessment Issues
13 SAFETY RECOMMANDATIONS
14 Document Change Log
