User's Manual
Table Of Contents
- Contents
- Tables
- Figures
- 1 Introduction
- 2 Interface Characteristics
- 2.1 Application Interface
- 2.2 RF Antenna Interface
- 2.3 Sample Application
- 3 Operating Characteristics
- 4 Mechanical Dimensions, Mounting and Packaging
- 5 Regulatory and Type Approval Information
- 6 Document Information
- 7 Appendix
Cinterion
®
ELS31-/ELS51-US Hardware Interface Overview
2.3 Sample Application
29
ELS31-US_ELS51-US_HIO_v01.000a 2016-12-28
Confidential / Preliminary
Page 29 of 46
Figure 12: Schematic diagram of ELS31-US/ELS51-US 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