User's Manual

EHS5-E/EHS5-US Hardware Interface Overview
Contents
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EHS5_HIO_v01.000 Page 3 of 35 2012-11-14
Confidential / Preliminary
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Contents
1 Introduction ................................................................................................................. 6
1.1 Key Features at a Glance .................................................................................. 6
1.2 EHS5-E/EHS5-US System Overview ................................................................ 9
2 Interface Characteristics .......................................................................................... 10
2.1 Application Interface ........................................................................................ 10
2.1.1 USB Interface...................................................................................... 10
2.1.2 Serial Interface ASC0 ......................................................................... 11
2.1.3 Serial Interface ASC1 ......................................................................... 12
2.1.4 UICC/SIM/USIM Interface................................................................... 13
2.1.5 Digital Audio Interface......................................................................... 14
2.1.6 GPIO Interface.................................................................................... 14
2.1.7 I
2
C Interface ........................................................................................ 15
2.1.8 PWM Interfaces .................................................................................. 15
2.1.9 Status LED.......................................................................................... 15
2.2 RF Antenna Interface....................................................................................... 16
2.2.1 Antenna Installation ............................................................................ 16
2.3 Sample Application .......................................................................................... 17
3 Operating Characteristics ........................................................................................19
3.1 Operating Modes ............................................................................................. 19
3.2 Power Supply................................................................................................... 20
4 Mechanics.................................................................................................................. 21
4.1 Mechanical Dimensions of EHS5-E/EHS5-US ................................................ 21
5 Regulatory and Type Approval Information ........................................................... 23
5.1 Directives and Standards................................................................................. 23
5.2 SAR requirements specific to portable mobiles ............................................... 26
5.3 Reference Equipment for Type Approval......................................................... 27
5.4 Compliance with FCC and IC Rules and Regulations ..................................... 28
6 Document Information.............................................................................................. 29
6.1 Revision History............................................................................................... 29
6.2 Related Documents ......................................................................................... 29
6.3 Terms and Abbreviations................................................................................. 29
6.4 Safety Precaution Notes .................................................................................. 33
7 Appendix.................................................................................................................... 34
7.1 List of Parts and Accessories........................................................................... 34