Table of Contents
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USIM1_RST
144
USIM1_CLK
143
USIM1_DATA
142
USIM1_VDD
141
USIM2_DET
256
USIM2_RST
207
USIM2_CLK
208
USIM2_DATA
209
SC650T_Hardware_Design
(U)SIM1 card reset
DO
signal
(U)SIM1 card clock
DO
signal
(U)SIM1 card data
IO
signal
(U)SIM1 card power
PO
supply
(U)SIM2 card
DI
detection
(U)SIM2 card reset
DO
signal
(U)SIM2 card clock
DO
signal
(U)SIM2 card data
IO
signal
Smart LTE Module Series
SC650T Hardware Design
through software
configuration.
V
max=0.4V
OL
V
min=
OH
0.8 × USIM1_VDD
V
max=0.4V
OL
V
min=
OH
0.8 × USIM1_VDD
V
max=
IL
0.2 × USIM1_VDD
V
min=
IH
0.7 × USIM1_VDD
V
max=0.4V
OL
V
min=
OH
0.8 × USIM1_VDD
1.8V (U)SIM：
Vmax=1.85V
Vmin=1.75V
Either 1.8V or 2.95V
(U)SIM card is
2.95V (U)SIM：
supported.
Vmax=3.1V
Vmin=2.8V
pull-up to 1.8V.
If unused, keep this
V
max=0.63V
IL
pin open.
V
min=1.17V
IH
Disabled by default,
and can be enabled
through software
configuration.
V
max=0.4V
OL
V
min=
OH
0.8 × USIM2_VDD
V
max=0.4V
OL
V
min=
OH
0.8 × USIM2_VDD
V
max=
IL
0.2 × USIM2_VDD
V
min=
IH
0.7 × USIM2_VDD
V
max=0.4V
OL
V
min=
OH
Active Low.
Need external
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