Quectel SC262R Series User Manual

Smart Module Series
SC200R&SC262R_Series_Hardware_Design 52 / 124
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.
USIM_VDD
USIM_RST
USIM_CLK
USIM_ DATA
USIM_DET
22R
LDO5
_1V8
100K
100 nF
(U)SIM Card Connector
ESD
22 pF
VCC
RST
CLK
IO
VPP
GND
USIM_VDD
10K
Module
R1
R2
C1
22 pF22pF
C2 C3 C4
D1
22R
22R
R3
R4
R5
USIM_VDD
NM
R6
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
DIO
(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
DIO
(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.

Quectel SC262R Series Specifications

General

Brand	Quectel
Model	SC262R Series
Category	Control Unit
Language	English