UMTS/HSPA Module Series
UG96 Hardware Design
UG96_Hardware_Design 19 / 76
bus (+)
2.0 standard
specification.
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.
(U)SIM 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=1.85V
Vmin=1.75V
For 3.0V (U)SIM:
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
(U)SIM card
For 1.8V (U)SIM:
V
IL
max=0.35V
V
IH
min=1.25V
V
OL
max=0.25V
V
OH
min=1.25V
For 3.0V (U)SIM:
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
(U)SIM card
For 1.8V (U)SIM:
V
OL
max=0.25V
V
OH
min=1.25V
For 3.0V (U)SIM:
V
OL
max=0.25V
V
OH
min=2.05V
USIM_RST
44
DO
Reset signal of
(U)SIM card
For 1.8V (U)SIM:
V
OL
max=0.25V
V
OH
min=1.25V
For 3.0V (U)SIM:
V
OL
max=0.3V
V
OH
min=2.05V