Quectel UC15 Hardware Design page 22

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