Telit Wireless Solutions 1vv0300773a Chipper User Manual


 
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