Product Info

Smart Module Series
SC200R Series Hardware Design
SC200R_Series_Hardware_Design 48 / 125
SC200R series module supports (U)SIM card hot-plug via the USIM_DET pin. (This function is disabled
by default via software. To enable it, contact Quectel Technical Supports to change the software
configuration.) A reference circuit for (U)SIM interface with an 8-pin (U)SIM card connector is shown
below.
Figure 15: Reference Circuit for (U)SIM Interface with an 8-pin (U)SIM Card Connector
USIM2_RST 18 DO (U)SIM2 card reset
Cannot be multiplexed into
generic GPIOs.
USIM2_CLK 19 DO (U)SIM2 card clock
USIM2_DATA 20 IO (U)SIM2 card data
USIM2_VDD 21 PO (U)SIM2 card power supply
Either 1.8 V or 2.95 V (U)SIM
card is supported.
USIM1_DET 22 DI (U)SIM1 card hot-plug detect
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
Cannot be multiplexed into
generic GPIOs.
USIM1_CLK 24 DO (U)SIM1 card clock
USIM1_DATA 25 IO (U)SIM1 card data
USIM1_VDD 26 PO (U)SIM1 card power supply
Either 1.8 V or 2.95 V (U)SIM
card is supported.