User's Manual

UMTS/HSDPA Module Series
UC15 Hardware Design
UC15_Hardware_Design Confidential / Released 21 / 78
USIM_GND 8
Specified ground for
USIM card.
USIM_VDD 12 PO
Power supply for
USIM card.
For 1.8V USIM:
Vmax=1.95V
Vmin=1.65V
For 3.0V USIM:
Vmax=3.0V
Vmin=2.7V
Either 1.8V or 3.0V is
supported by the
module automatically.
USIM_DATA 13 IO
Data signal of
USIM card.
For 1.8V USIM:
V
IL
max = 0.6V
V
IH
min =1.2V
V
OL
max=0.45V
V
OH
min=1.35V
For 3.0V USIM:
V
IL
max=1.0V
V
IH
min=1.95V
V
OL
max=0.45V
V
OH
min=2.55V
Pull-up to USIM_VDD
with 10k resistor
internally.
USIM_CLK 14 DO
Clock signal of
USIM card.
For 1.8V USIM:
V
OL
max=0.45V
V
OH
min=1.35V
For 3.0V USIM:
V
OL
max=0.45V
V
OH
min=2.55V
USIM_RST 15 DO
Reset signal of
USIM card.
For 1.8V USIM:
V
OL
max=0.45V
V
OH
min=1.35V
For 3.0V USIM:
V
OL
max=0.45V
V
OH
min=2.55V
USIM_
PRESENCE
11 DI
USIM card input
detection.
V
IL
min=-0.3V
V
IL
max=0.91V
V
IH
min=1.69V
V
IH
max=2.9V
2.6V power domain.
ADC Interface
Pin Name Pin No. I/O Description DC Characteristics Comment