User's Manual

Cinterion
®
ELS31-/ELS51-US Hardware Interface Overview
Contents
46
 ELS31-US_ELS51-US_HIO_v01.000a 2016-12-28
Confidential / Preliminary
Page 3 of 46
Contents
1 Introduction ................................................................................................................. 7
1.1 Key Features at a Glance .................................................................................. 7
1.2 ELS31-US/ELS51-US System Overview ......................................................... 10
2 Interface Characteristics .......................................................................................... 11
2.1 Application Interface ........................................................................................ 11
2.1.1 USB Interface...................................................................................... 11
2.1.2 Serial Interface ASC0 ......................................................................... 12
2.1.3 Serial Interface ASC1 ......................................................................... 13
2.1.4 UICC/SIM/USIM Interface................................................................... 14
2.1.5 GPIO Interface .................................................................................... 16
2.1.6 I
2
C Interface ........................................................................................ 17
2.1.7 SPI Interface ....................................................................................... 17
2.1.8 Pulse Counter ..................................................................................... 17
2.1.9 HSIC Interface (ELS51-US Only)........................................................ 17
2.1.10 SDIO Interface (ELS51-US Only) ....................................................... 18
2.1.11 Control Signals.................................................................................... 19
2.1.11.1 Status LED .......................................................................... 19
2.1.11.2 Fast Shutdown .................................................................... 19
2.2 RF Antenna Interface....................................................................................... 20
2.2.1 Antenna Installation ............................................................................ 21
2.2.2 RF Line Routing Design...................................................................... 22
2.2.2.1 RF Interface Signals Circuit Diagram Example................... 22
2.2.2.2 Line Arrangement Examples ............................................... 23
2.3 Sample Application .......................................................................................... 28
3 Operating Characteristics ........................................................................................30
3.1 Operating Modes ............................................................................................. 30
3.2 Power Supply................................................................................................... 30
4 Mechanical Dimensions, Mounting and Packaging...............................................31
4.1 Mechanical Dimensions of ELS31-US/ELS51-US ........................................... 31
5 Regulatory and Type Approval Information ........................................................... 33
5.1 Directives and Standards................................................................................. 33
5.2 SAR requirements specific to portable mobiles ............................................... 35
5.3 Reference Equipment for Type Approval......................................................... 36
5.4 Compliance with FCC and IC Rules and Regulations ..................................... 37