Product Info

Smart Module Series
SC600Y&SC600T Hardware Design
SC600Y&SC600T_Hardware_Design 52 / 134
USIM1_RST 144 DO (U)SIM1 card reset
USIM1_CLK 143 DO (U)SIM1 card clock
USIM1_DATA 142 IO (U)SIM1 card data
Pull up to USIM1_VDD with a
10KΩ resistor.
USIM1_VDD 141 PO (U)SIM1 card power supply
Either 1.8V or 2.95V (U)SIM card
is supported.
USIM2_DET 256 DI
(U)SIM2 card hot-plug
detection
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 signal
USIM2_CLK 208 DO (U)SIM2 card clock signal
USIM2_DATA 209 IO (U)SIM2 card data signal
Pull up to USIM2_VDD with a
10KΩ resistor.
USIM2_VDD 210 PO (U)SIM2 card power supply
Either 1.8V or 2.95V (U)SIM card
is supported.
SC600Y/SC600T supports (U)SIM card hot-plug via the USIM_DET pin, which is disabled by default and
can be enabled through software configuration. A reference circuit for (U)SIM interface with an 8-pin
(U)SIM card connector is shown as below.
Figure 16: Reference Circuit for (U)SIM Interface with an 8-pin (U)SIM Card Connector