User's Manual

HC864-AUTO Hardware User Guide
1vv0300946 Rev.4 – 2012-12-27
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved. Page 5 of 77
Contents
1.
Introduction .................................................. 8
1.1.
Scope ...................................................... 8
1.2.
Audience ................................................... 8
1.3.
Contact Information, Support ............................... 8
1.4.
Document Organization ...................................... 9
1.5.
Text Conventions .......................................... 10
1.6.
Related Documents ......................................... 10
2.
General Product Description .................................. 11
2.1.
Overview .................................................. 11
2.2.
HC864-AUTO 2D Mechanical Dimensions ....................... 12
2.3.
Weight .................................................... 12
2.4.
Environmental requirements ................................ 13
2.4.1.
Temperature range............................................ 13
2.4.2.
RoHS compliance.............................................. 13
2.5.
Operating Frequency ....................................... 14
3.
HC864-AUTO Module Connections ................................ 15
3.1.
PIN-OUT ................................................... 15
3.2.
Antenna Connector(s) ...................................... 19
4.
Hardware Commands ............................................ 20
4.1.
Turning ON the HC864-AUTO ................................. 20
4.2.
Initialization and Activation state ....................... 20
4.3.
Turning OFF the HC864-AUTO ................................ 22
4.3.1.
Shutdown by Software Command................................. 23
4.3.2.
Hardware Shutdown............................................ 24
4.3.3.
Hardware Unconditional Restart............................... 25
4.4.
Summary of Turning ON and OFF the module .................. 26
5.
Power Supply ................................................. 27
5.1.
Power Supply Requirements ................................. 27
5.2.
General Design Rules ...................................... 29
5.2.1.
Electrical Design Guidelines................................. 29
5.2.1.1.
+ 5V Input Source Power Supply Design Guidelines ......... 29