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 24 of 76
WWAN/
WiFi
Coexis-
tence Con-
trol
LAA_n79_Tx_EN O
V
OL
max = 0.45V at I = TBD.
V
OH
min = 1.35V at I = TBD.
V
OH
max = 1.8V
COEX_RXD
I
V
IL
max = 0.54V
V
IH
min = 1.26V
V
IH
max = 2.1V
For future use.
COEX_TXD O
V
OL
max = 0.45V at I = TBD.
V
OH
min = 1.35V at I = TBD.
V
OH
max = 1.8V
For future use.
WLAN_Tx_EN I
V
IL
max = 0.54V
V
IH
min = 1.26V
V
IH
max = 2.1V
Dynamic
Power
Reduction
DPR_1
DPR_2
I
DPR_1:
V
IH
max = 1.89V
V
IH
min = 1.17V
V
IL
max = 0.63V
DPR_2:
V
IL
max = 0.54V
V
IH
min = 1.26V
V
IH
max = 2.1V
It is required to drive this
line low by an open drain
or open collector driver
connected to GND.
If unused keep line open.
USB 2.0
USB_D-
I/O Full and High speed differential lines
according to USB 2.0 (refer to
).
Test point recommended.
USB High Speed mode
operation requires a dif-
ferential impedance of
90
Ω
USB_D+
I/O
USB 3.1
(USB 3.1
HW variant
only)
USB3.1-Rx+
USB3.1-Rx-
I
SuperSpeed differential lines accord-
ing to USB3.1 Gen2, 10Gbps (refer to
USB SuperSpeed mode
operation requires a dif-
ferential impedance of
72
Ω
to 120
Ω
.
USB3.1-Tx+
USB3.1-Tx-
O
Table 3:
Electrical description of connector interface pins
Function
Pin name
IO Signal form and level
Comment