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
2.3 Sample Application
56
ELS31-VA_ELS51-VA_HID_v01.000 2017-01-04
Confidential / Preliminary
Page 55 of 106
Figure 29: Schematic diagram of ELS31-VA/ELS51-VA sample application
ELS31/ELS51
Main Antenna
Div. Antenna
BATT+RF
BATT+BB
GPIOs
LED
COUNTER
I2CCLK
I2CDAT
GND
SDIO
HSIC
ON
FST_SHUTDOWN
ASC0
ASC1
USB
V180
CCIN
CCVCC
CCIO
CCRST
CCCLK
Power Supply
33pF 33pF + 150µF
Low ESR!
2k2 2k2
V180
Blocking
WiFi
µC
1nF 10pF10pF220nF
SIM
USB
Interfaces available only on ELS51