Product Info

Smart Module Series
SC600Y&SC600T Hardware Design
SC600Y&SC600T_Hardware_Design 26 / 134
V
OH
min=
0.8 × USIM1_VDD
USIM1_VDD 141 PO
(U)SIM1 card power
supply
1.8V (U)SIM:
Vmax=1.90V
Vmin=1.70V
2.95V (U)SIM:
Vmax=3.04V
Vmin=2.7V
Either 1.8V or 2.95V
(U)SIM card is
supported.
USIM2_DET 256 DI
(U)SIM2 card
hot-plug detection
V
IL
max=0.63V
V
IH
min=1.17V
Active low.
Require external
pull-up to 1.8V.
If unused, keep this pin
open.
Disabled by default
and can be enabled
through software
configuration.
USIM2_RST 207 DO (U)SIM2 card reset
V
OL
max=0.4V
V
OH
min=
0.8 × USIM2_VDD
USIM2_CLK 208 DO (U)SIM2 card clock
V
OL
max=0.4V
V
OH
min=
0.8 × USIM2_VDD
USIM2_DATA 209 IO (U)SIM2 card data
V
IL
max=
0.2 × USIM2_VDD
V
IH
min=
0.7 × USIM2_VDD
V
OL
max=0.4V
V
OH
min=
0.8 × USIM2_VDD
USIM2_VDD 210 PO
(U)SIM2 card power
supply
1.8V (U)SIM:
Vmax=1.90V
Vmin=1.70V
2.95V (U)SIM:
Vmax=3.04V
Vmin=2.7V
Either 1.8V or 2.95V
(U)SIM card is
supported.
UART Interfaces
Pin Name Pin No. I/O Description DC Characteristics Comment
UART2_TXD 5 DO
UART2 transmit data.
Used for debugging
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep these