Smart Module Series
SC200K_Series_Hardware_Design 24 / 105
Vmax = 3.1 V
Vmin = 2.90 V
by the module.
USIM1_DATA
25
DIO
(U)SIM1 card data
V
IL
max =
0.3 ×
USIM1_VDD
V
IH
min =
0.7 ×
USIM1_VDD
V
OL
max =
0.1 ×
USIM1_VDD
V
OH
min =
0.9 ×
USIM1_VDD
USIM1_CLK
24
DO
(U)SIM1 card clock
V
OL
max =
0.1 ×
USIM1_VDD
V
OH
min =
0.9 ×
USIM1_VDD
USIM1_RST
23
DO
(U)SIM1 card reset
V
OL
max =
0.1 ×
USIM1_VDD
V
OH
min =
0.9 ×
USIM1_VDD
USIM1_DET
22
DI
(U)SIM1 card
hot-plug detect
V
IL
max = 0.48 V
V
IH
min = 1.39 V
Active low.
If unused, keep it
open.
Disabled by software
by default.
UART Interfaces
Pin Name
Pin
No.
I/O
Description
DC
Characteristics
Comment
DBG_TXD
94
DO
Debug UART transmit
V
OL
max = 0.20 V
V
OH
min = 1.46 V
1.85 V power domain.
If unused, keep it
open.
Dot not pull DBG_TXD
down when turning on
the module.
DBG_RXD
93
DI
Debug UART receive
V
IL
max = 0.48 V
V
IH
min = 1.39 V
1.85 V power domain.
If unused, keep it
open.
UART0_TXD
34
DO
UART0 transmit
V
OL
max = 0.20 V
