Telit Wireless Solutions 1vv0300773a ユーザーズマニュアル
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 2 of 64
Contents
1
Overview ........................................................................................................................... 6
2
GE863-PRO
3
Mechanical Dimensions ............................................................................ 7
3
GE863-PRO
3
module connections .................................................................................. 8
3.1
BALL-OUT ................................................................................................................................ 8
3.2
BALLS LAYOUT ..................................................................................................................... 14
3.3
ARM Port IO multiplexing ....................................................................................................... 15
4
Hardware Commands .................................................................................................... 18
4.1
Turning ON the GE863-PRO
3
GSM/GPRS Engine ................................................................ 18
4.2
Turning OFF the GE863-PRO
3
GSM/GPRS Engine .............................................................. 20
4.2.1
Hardware shutdown ........................................................................................................................20
4.3
Hardware Unconditional Reboot of GSM/GPRS Engine ........................................................ 20
4.4
Turning ON/OFF the GE863-PRO
3
ARM ............................................................................... 21
5
Power Supply ................................................................................................................. 23
5.1
GSM Power Supply Requirements ......................................................................................... 23
5.2
ARM Power Supply Requirements ......................................................................................... 24
5.3
VRTC Backup supply ............................................................................................................. 24
5.4
General Design Rules ............................................................................................................ 25
5.4.1
Electrical design Guidelines ............................................................................................................25
5.4.1.1
+ 5V input Source Power Supply Design Guidelines .................................................................26
5.4.1.2
+ 12V input Source Power Supply Design Guidelines ...............................................................27
5.4.1.3
Battery Source Power Supply Design Guidelines ......................................................................28
5.4.1.4
Battery Charge control Circuitry Design Guidelines ...................................................................29
5.4.2
Thermal Design Guidelines ............................................................................................................31
5.4.3
Power Supply PCB layout Guidelines ............................................................................................32
6
Antenna ........................................................................................................................... 33
6.1
GSM Antenna Requirements .................................................................................................. 33
6.2
GSM Antenna - PCB line Guidelines ...................................................................................... 34
6.3
GSM Antenna - installation Guidelines ................................................................................... 35
6.4
Electro Magnetic Interference - Guidelines ............................................................................ 35
6.5
Logic level specifications ........................................................................................................ 36
6.5.1
GSM Reset signal ...........................................................................................................................38
7
Serial Ports ..................................................................................................................... 39
7.1
MODEM SERIAL PORT ......................................................................................................... 39