Product Card

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 26 of 76
1.8V SIM
card inter-
face (2x)
UIM_1_RESET
UIM_2_RESET
OV
OL
max = 0.36V at I = 1mA
V
OH
min = 1.44V at I = 1mA
V
OH
max = 1.8V
Maximum cable length or
copper track should be
not longer than 100mm to
SIM card holder.
If 2
nd
SIM interface not
used, keep line open.
UIM_1_DATA
UIM_2_DATA
I/O V
IL
max = 0.36V
V
IL
min = -0.3V
V
IH
min = 1.26V
V
IH
max = 2.1V
V
OL
max = 0.3V at I = 1mA
V
OH
min = 1.26V at I = 1mA
V
OH
max = 1.8V
UIM_1_CLK
UIM_2_CLK
OV
OL
max = 0.36V at I = 1mA
V
OH
min = 1.26V at I = 1mA
V
OH
max = 1.8V
UIM_1_PWR
UIM_2_PWR
OV
O
min = 1.65V
V
O
typ =1.8V
V
O
max = 1.95V
I
O
max = 200mA
SIM Detec-
tion
SIM_DETECT_1
SIM_DETECT_2
IV
IL
max = 0.54V
V
IH
min = 1.26V
V
IH
max = 2.1V
internal pull-up resistor
GPIO
interface
GPIO I/O V
IL
max = 0.54V
V
IH
min = 1.26V
V
IH
max = 2.1V
I
IH
PD = 1uA
I
IL
PU = -1uA
I
High-Z
= 1uA
V
OL
max = 0.45V at I = TBD.
V
OH
min = 1.35V at I = TBD.
V
OH
max = 1.8V
GPIO is reserved for
future use.
If unused keep lines open.
Status LED_1# O V
OL
max = 0.66V. at I = TBD.
V
OH
min = 2.64V. at I = 9~12 (sink cur-
rent)
V
OH
max = 3.3V
Open Drain output
Add-in Card
configura-
tion pins
CONFIG_0..3 GND or NC (Not Connected/Floating)
I = 0mA
The host must provide a
pull up resistor for each of
these signals to either 1.8
V or 3.3 V.
Table 3: Electrical description of connector interface pins
Function Pin name IO Signal form and level Comment