Laird Controls North America Inc. U915 Manuale Utente
902-928MHz FSK version
Introduction
Document p/n: 9S01-U915-A201, rev.2
Cattron-Theimeg Inc.
Proprietary and Confidential
1-3
Table of Contents
1.
INTRODUCTION ............................................................................................................................................1-4
1.1.
P
URPOSE
..........................................................................................................................................................1-4
1.2.
S
COPE
..............................................................................................................................................................1-4
1.3.
D
EFINITIONS
,
A
CRONYMS
,
A
BBREVIATIONS
...................................................................................................1-4
1.3.1.
Definitions ..........................................................................................................................................1-4
1.3.2.
Acronyms ............................................................................................................................................1-4
1.3.3.
Abbreviations ......................................................................................................................................1-4
1.4.
R
EFERENCES
....................................................................................................................................................1-5
1.5.
O
VERVIEW
.......................................................................................................................................................1-5
1.5.1.
Notation Conventions .........................................................................................................................1-5
2.
OVERALL DESCRIPTION ............................................................................................................................2-1
2.1.
P
RODUCT
P
ERSPECTIVE
...................................................................................................................................2-1
2.1.1.
User Interfaces ....................................................................................................................................2-1
2.1.2.
Hardware Interfaces ............................................................................................................................2-1
2.1.3.
Software Interfaces .............................................................................................................................2-1
2.2.
P
RODUCT
F
UNCTIONS
......................................................................................................................................2-1
2.3.
U
SER
C
HARACTERISTICS
.................................................................................................................................2-2
2.4.
C
ONSTRAINTS
..................................................................................................................................................2-2
2.5.
A
SSUMPTIONS AND
D
EPENDENCIES
.................................................................................................................2-2
3.
SPECIFIC REQUIREMENTS ........................................................................................................................3-3
3.1.
E
XTERNAL
I
NTERFACE
R
EQUIREMENTS
..........................................................................................................3-3
3.1.1.
Interfaces.............................................................................................................................................3-3
3.1.1.1
50 Pin Header I/O. ..............................................................................................................................3-3
3.1.2.
Software Interface Requirements ........................................................................................................3-4
3.2.
S
YSTEM
F
EATURES
..........................................................................................................................................3-4
3.2.1.
EEPROM ............................................................................................................................................3-4
3.2.2.
Output Power ......................................................................................................................................3-4
3.2.3.
Software Configurable ........................................................................................................................3-4
3.2.4.
Low Cost TCXO .................................................................................................................................3-4
3.3.
P
ERFORMANCE
R
EQUIREMENTS
......................................................................................................................3-5
3.3.1.
Frequency Range ................................................................................................................................3-5
3.3.2.
Adjacent and co channel power ..........................................................................................................3-5
3.3.3.
Modulation ..........................................................................................................................................3-5
3.3.4.
Duty Cycle ..........................................................................................................................................3-5
3.4.
D
ESIGN
C
ONSTRAINTS
.....................................................................................................................................3-5
3.4.1.
Standards Compliance ........................................................................................................................3-5
3.4.2.
Mechanical Dimensions ......................................................................................................................3-6
3.4.3.
Power Requirements ...........................................................................................................................3-7
3.4.4.
Software Requirements .......................................................................................................................3-7
3.5.
S
YSTEM
A
TTRIBUTES
......................................................................................................................................3-8
3.5.1.
Reliability ...........................................................................................................................................3-8
3.5.2.
Availability .........................................................................................................................................3-8
3.5.3.
Security ...............................................................................................................................................3-8
3.5.4.
Maintainability ....................................................................................................................................3-8
3.5.5.
Portability ...........................................................................................................................................3-8