Cinterion
®
MV31-W Hardware Interface Description
3.1 Pin Assignments and Electrical Description
75
t
MV31-W_HID_v01.009a
2022-04-27
Public / Preliminary
Page 23 of 76
Table 3:
Electrical description of connector interface pins
Function
Pin name
IO Signal form and level
Comment
Power
supply
3V3
I
V
I
max = 4.8V
V
I
norm = 3.3V
V
I
min = 3.14V
GND
Ground
Application Ground
Control Sig-
nals
W_DISABLE1# I
V
IH
max = 3.36V
V
IH
min = 2.145V
V
IL
max = 1.155V
These signals disable the
WWAN (W_DISABLE1#)
and GNSS W_DISABLE2#)
operation of the module.
It is required to drive these
lines low by an open drain
or open collector driver
connected to GND and
external pull up to 3.3V
with 10K
Ω
.
Test point recommended.
W_DISABLE2# I
RESET#
I
--
Not supported.
FULL_CARD_
POWER_OFF#
I
V
IH
max = 3.63V
V
IH
min =1.00V
V
IL
max = 0.4V
It's internally pulled down
by 100k
Ω
resistor.
3.3V tolerant but can be
driven by either 1.8V or
3.3V GPIO.
Test point recommended.
WAKE_ON_WWAN# O
V
IL
max = 0.8V
V
IH
min = 2.0V
V
IH
max = 3.8V
V
OL
max = 0.2V at I = 4mA
Open Drain with external
pull up.
The given input rating is
the maximum voltage that
can be applied to this pad.
Tunable
Antenna
MIPI_DATA I/O V
IL
max = 0.54V
V
IH
min = 1.26V
V
IH
max = 2.1V
V
OL
max = 0.45V at I = 4mA
V
OH
min = 1.35V at I = 4mA
V
OH
max = 1.8V
If unused, terminate line
by 50
Ω
.
MIPI_CLK
O
V
OL
max = 0.45V at I = 4mA
V
OH
min = 1.35V at I = 4mA
V
OH
max = 1.8V
If unused, terminate line
by 50
Ω
.
ANT_TUNER_CONFIG I
V
IL
max = 0.54V
V
IH
min = 1.26V
V
IH
max = 2.1V
ANT_TUNER_POWER O
V
OL
max = 0.012V at I = 4mA
V
OH
min = 1.504V at I = 4mA
V
OH
max = 2.0V.
