Product Info
Smart Module Series
SC200R Series Hardware Design
SC200R_Series_Hardware_Design 25 / 125
USB_ID 16 DI USB ID detect
High level by
default.
(U)SIM Interfaces
Pin Name Pin No. I/O Description DC Characteristics
Comment
USIM2_DET 17 DI
(U)SIM2 card
hot-plug detect
V
IL
max = 0.63 V
V
IH
min = 1.17 V
Active low.
Externally pull it up
to 1.8 V.
If it is not used,
keep it open.
This function is
disabled by default
via software.
Cannot be
multiplexed into a
generic GPIO.
USIM2_RST 18 DO
(U)SIM2 card reset
V
OL
max = 0.4 V
V
OH
min =
0.8 × USIM2_VDD
Cannot be
multiplexed into
generic GPIOs.
USIM2_CLK 19 DO
(U)SIM2 card
clock
USIM2_DATA 20 IO (U)SIM2 card data
V
IL
max =
0.2 × USIM2_VDD
V
IH
min =
0.7 × USIM2_VDD
V
OL
max = 0.4 V
V
OH
min =
0.8 × USIM2_VDD
USIM2_VDD 21 PO
(U)SIM2 card
power supply
For 1.8 V (U)SIM:
Vmax = 1.85 V
Vmin = 1.75 V
For 2.95 V (U)SIM:
Vmax = 3.1 V
Vmin = 2.8 V
Either 1.8 V or
2.95 V (U)SIM card
is supported.