User's Manual

LTE Module Series
BG96 Hardware Design
BG96_Hardware_Design Confidential / Released 21 / 71
USB_DM
10
IO
USB differential
data bus (-)
Compliant with
USB 2.0 standard
specification.
Require differential
impedance of 90Ω.
(U)SIM Card Interface
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment
USIM_GND
47
Specified
ground for
(U)SIM card
USIM_VDD
43
PO
Power supply
for (U)SIM card
For 1.8V (U)SIM:
Vmax=1.9V
Vmin=1.7V
For 3.0V (U)SIM:
Vmax=3.05V
Vmin=2.7V
I
O
max=50mA
Either 1.8V or 3V is
supported by the module
automatically.
USIM_DATA
45
IO
Data signal of
(U)SIM card
For 1.8V (U)SIM:
V
IL
max=0.6V
V
IH
min=1.2V
V
OL
max=0.45V
V
OH
min=1.35V
For 3.0V (U)SIM:
V
IL
max=1.0V
V
IH
min=1.95V
V
OL
max=0.45V
V
OH
min=2.55V
USIM_CLK
46
DO
Clock signal of
(U)SIM card
For 1.8V (U)SIM:
V
OL
max=0.45V
V
OH
min=1.35V
For 3.0V (U)SIM:
V
OL
max=0.45V
V
OH
min=2.55V
USIM_RST
44
DO
Reset signal of
(U)SIM card
For 1.8V (U)SIM:
V
OL
max=0.45V
V
OH
min=1.35V
For 3.0V (U)SIM:
V
OL
max=0.45V
V
OH
min=2.55V