User Manual

Cinterion
®
ELS31-V/ELS51-V Hardware Interface Overview
2.3 Sample Application
17
ELS31-V_ELS51-V_HIO_v00.502 2015-12-07
Confidential / Preliminary
Page 17 of 35
Figure 6: Schematic diagram of ELS31-V / ELS51-V sample application
ELS31-V/51-V
Main Antenna
Div. Antenna
BATT+RF
BATT+BB
GPIOs
LED
PWM
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-V