Telit Wireless Solutions 1vv0300773a ユーザーズマニュアル

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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 3 of 64 
 
7.2 
RS232 level translation ........................................................................................................... 41 
8
 
Audio Section Overview ................................................................................................ 44
 
8.1 
INPUT LINES (Microphone) ................................................................................................... 45 
8.1.1
 
Short description .............................................................................................................................45
 
8.1.2
 
Input Lines Characteristics .............................................................................................................46
 
8.2 
OUTPUT LINES (Speaker) ..................................................................................................... 47 
8.2.1
 
Short description .............................................................................................................................47
 
8.2.2
 
Output Lines Characteristics ...........................................................................................................48
 
9
 
The Evaluation Kit for Telit GE863-PRO
3
 Modules ...................................................... 49
 
9.1.1
 
Short Description ............................................................................................................................49
 
10
 
GSM/GPRS General Purpose I/O................................................................................... 50
 
10.1  Using a GPIO Pad as INPUT ................................................................................................. 51 
10.2  Using a GPIO Pad as OUTPUT ............................................................................................. 51 
10.3  Using the RF Transmission Control GPIO7 ............................................................................ 51 
10.4  Using the RFTXMON Output GPIO3 ...................................................................................... 51 
10.5  Using the Alarm Output .......................................................................................................... 52 
10.6  Using the Buzzer Output GPIO4 ............................................................................................ 52 
10.7  Indication of network service availability ................................................................................. 53 
10.8  RTC Bypass out ..................................................................................................................... 54 
10.9  VAUX1 power output .............................................................................................................. 54 
11
 
Mounting the GE863-PRO
3
 on the Application Board ................................................. 55
 
11.1  General ................................................................................................................................... 55 
11.1.1
 
Stencil .............................................................................................................................................55
 
11.1.2
 
PCB pad Design .............................................................................................................................55
 
11.1.3
 
Solder paste ....................................................................................................................................56
 
11.1.4
 
GE863-PRO
3
 Solder Reflow ...........................................................................................................57
 
11.1.5
 
Packing System ..............................................................................................................................59
 
11.1.6
 
Moisture Sensibility .........................................................................................................................61
 
12
 
Conformity Assessment Issues .................................................................................... 62
 
13
 
SAFETY RECOMMANDATIONS..................................................................................... 63
 
14
 
Document Change Log .................................................................................................. 64