Product Info

Smart Module Series
SC200R Series Hardware Design
SC200R_Series_Hardware_Design 26 / 125
USIM1_DET 22 DI
(U)SIM1 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.
USIM1_RST 23 DO (U)SIM1 card reset
V
OL
max = 0.4 V
V
OH
min =
0.8 × USIM1_VDD
Cannot be
multiplexed into
generic GPIOs.
USIM1_CLK 24 DO
(U)SIM1 card
clock
USIM1_DATA 25 IO (U)SIM1 card data
V
IL
max =
0.2 × USIM1_VDD
V
IH
min =
0.7 × USIM1_VDD
V
OL
max = 0.4 V
V
OH
min =
0.8 × USIM1_VDD
USIM1_VDD 26 PO
(U)SIM1 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.
UART Interfaces
Pin Name Pin No. I/O Description DC Characteristics Comment
UART5_TXD 34 DO
UART5 transmit
data
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power
domain.
If not used, keep
these pins open.
UART5_RXD 35 DI
UART5 receive
data
V
IL
max = 0.63 V
V
IH
min = 1.17 V
UART5_CTS 36 DI
UART5 clear to
send
V
IL
max = 0.63 V
V
IH
min = 1.17 V
UART5_RTS 37 DO
UART5 request to
send
V
OL
max = 0.45 V
V
OH
min = 1.35 V
DBG_RXD 93 DI
UART2 (debug
UART) receive
data
V
IL
max = 0.63 V
V
IH
min = 1.17 V