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USIM2_DET
256
USIM2_RST
207
USIM2_CLK
208
USIM2_DATA
209
USIM2_VDD
210
UART Interfaces
Pin Name
Pin No.
UART2_TXD
5
UART2_RXD
6
UART4_TXD
7
SC600Y&SC600T_Hardware_Design
(U)SIM2 card
DI
detection
(U)SIM2 card reset
DO
signal
(U)SIM2 card clock
DO
signal
(U)SIM2 card data
IO
signal
(U)SIM2 card power
PO
supply
I/O
Description
UART2 transmit
data.
DO
Debug port by
default.
UART2 receive
data.
DI
Debug port by
default.
UART4 transmit
DO
data
Smart LTE Module Series
SC600Y&SC600T Hardware Design
V
max=0.63V
IL
V
min=1.17V
IH
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
0.8 × USIM2_VDD
1.8V (U)SIM:
Vmax=1.85V
Vmin=1.75V
2.95V (U)SIM:
Vmax=3.1V
Vmin=2.8V
DC Characteristics
V
max=0.45V
OL
V
min=1.35V
OH
V
max=0.63V
IL
V
min=1.17V
IH
V
max=0.45V
OL
V
min=1.35V
OH
Active Low.
Need external pull-up
to 1.8V.
If unused, keep this
pin open.
Disabled by default,
and can be enabled
through
software
configuration.
Either 1.8V or 2.95V
(U)SIM card is
supported.
Comment
1.8V power domain.
If unused, keep these
pins open.
32 / 128
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