User's Manual
Table Of Contents
- Contents
- Tables
- Figures
- 1 Introduction
- 2 Interface Characteristics
- 2.1 Application Interface
- 2.1.1 Pad Assignment
- 2.1.2 Signal Properties
- 2.1.3 USB Interface
- 2.1.4 Serial Interface ASC0
- 2.1.5 Serial Interface ASC1
- 2.1.6 UICC/SIM/USIM Interface
- 2.1.7 Digital Audio Interface
- 2.1.8 Pulse Code Modulation Interface (PCM)
- 2.1.9 Inter IC Sound Interface (I2S)
- 2.1.10 GPIO Interface
- 2.1.11 I2C Interface
- 2.1.12 SPI Interface
- 2.1.13 Pulse Counter
- 2.1.14 HSIC Interface (ELS51-VA Only)
- 2.1.15 SDIO Interface (ELS51-VA Only)
- 2.1.16 Control Signals
- 2.2 RF Antenna Interface
- 2.3 Sample Application
- 2.1 Application Interface
- 3 Operating Characteristics
- 3.1 Operating Modes
- 3.2 Power Up/Power Down Scenarios
- 3.3 Power Saving
- 3.4 Power Supply
- 3.5 Operating Temperatures
- 3.6 Electrostatic Discharge
- 3.7 Blocking against RF on Interface Lines
- 3.8 Reliability Characteristics
- 4 Mechanical Dimensions, Mounting and Packaging
- 5 Regulatory and Type Approval Information
- 6 Document Information
- 7 Appendix
Cinterion
®
ELS31-VA/ELS51-VA Hardware Interface Description
1.2 ELS31-VA/ELS51-VA System Overview
13
ELS31-VA_ELS51-VA_HID_v01.000 2017-01-04
Confidential / Preliminary
Page 12 of 106
1.2 ELS31-VA/ELS51-VA System Overview
Figure 1: ELS31-VA/ELS51-VA system overview
GPIO
interface
I2C
USB
ASC0
ASC0
CONTROL
POWER
ANTENNA
(LTE dual band)
Module
SIM interface
(with SIM detection)
SIM card
Application
Power supply
Emergency reset
ON
Serial modem
interface
Serial modem
interface
I2C
USB
Antenna /
div. Antenna
GPIOs
Status
LED
FST_SHDN
Fast shutdown
ADC
ADC
COUNTER
Pulse counter
GP(I)Os
HSIC
SDIO
HSIC
SDIO
SPI
SPI
SPI
SPI
ASC1
Serial interface
PCM/DAI
PCM/DAI