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Cinterion
®
EMS31-V Hardware Interface Overview
2.3 Sample Application
18
EMS31_V_HIO_v00.004
2018-02-27
Confidential / Preliminary
Page 18 of 35
Note: The following features are not yet available with the current product release: GPIO, I
2
C, Pulse Count-
er, PWM, SPI, ADC and 2nd SIM/MIM. Second SIM/MIM interface is hardware prepared only.
Figure 5:
Schematic diagram of EMS31-V sample application
EMS31-V
Antenna
BATT+
GPIOs
LED
COUNTER
PWMs
I2CCLK
I2CDAT
GND
V180
CCIN
CCVCC
CCIO
CCRST
CCCLK
V180
CCIN2
CCVCC2
CCIO2
CCRST2
CCCLK2
ON
FST_SHDN
ASC0
ASC1
Power Supply
47
µ
F
47
µ
F
100p
F
2k2
2k2
V180
µC
SIM2
220nF
10pF
1nF
10pF
R220k
4k7
SIM1
220nF
10pF
1nF
10pF
R220k
4k7