Network Hardware User Manual
UC864-E Hardware User Guide
1vv0300766a Rev.1 - 31/01/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 4 of 51
10.3 Selection ................................................................................................................................ 38
10.4 Electrical Characteristics ..................................................................................................... 39
10.4.1 Input lines (microphone) .................................................................................................................39
10.4.2 Output lines (speaker) ....................................................................................................................40
11 General Purpose I/O ....................................................................................................... 41
11.1 Logic level specifications .................................................................................................... 42
11.2 Using a GPIO Pad as INPUT ................................................................................................ 43
11.3 Using a GPIO Pad as OUTPUT ............................................................................................ 43
11.4 Using the Alarm Output GPIO6 ........................................................................................... 43
11.5 Using the Buzzer Output GPIO7 .......................................................................................... 44
11.6 Indication of network service availability ........................................................................... 45
11.7 RTC Bypass out .................................................................................................................... 46
11.8 VAUX1 power output ............................................................................................................ 46
11.9 Mounting UC864-E on your board....................................................................................... 47
11.9.1 Debug of the UC864-E in production ..............................................................................................48
12 Conformity Assessment Issues .................................................................................... 49
13 SAFETY RECOMMANDATIONS..................................................................................... 50
14 Document Change Log .................................................................................................. 51