UMTS/HSPA Module Series
UG95 Hardware Design
UG95_Hardware_Design Confidential / Released 19 / 72
USB_DP
9
IO
USB differential data
bus.
Compliant with USB
2.0 standard
specification.
Require differential
impedance of 90
Ω.
USB_DM
10
IO
USB differential data
bus.
Compliant with USB
2.0 standard
specification.
Require differential
impedance of 90
Ω.
USIM Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
USIM_GND
47
Specified ground for
USIM card.
USIM_VDD
43
PO
Power supply for
USIM card.
For 1.8V USIM:
Vmax=1.85V
Vmin=1.75V
For 3.0V USIM:
Vmax=2.9V
Vmin=2.8V
Either 1.8V or 3.0V is
supported by the
module automatically.
USIM_DATA
45
IO
Data signal of USIM
card.
For 1.8V USIM:
V
IL
max=0.35V
V
IH
min=1.25V
V
OL
max=0.25V
V
OH
min=1.25V
For 3.0V USIM:
V
IL
max=0.5V
V
IH
min=2.05V
V
OL
max=0.25V
V
OH
min=2.05V
Pull-up to USIM_VDD
with 4.7K resistor
internally.
USIM_CLK
46
DO
Clock signal of USIM
card.
For 1.8V USIM:
V
OL
max=0.25V
V
OH
min=1.25V
For 3.0V USIM:
V
OL
max=0.25V
V
OH
min=2.05V
USIM_RST
44
DO
Reset signal of
USIM card.
For 1.8V USIM:
V
OL
max=0.25V
V
OH
min=1.25V
For 3.0V USIM:
V
OL
max=0.3V
V
OH
min=2.05V
Quectel
Confidential