Quectel EC200A Series User Manual

LTE Standard Module Series
The module supports (U)SIM card hot-plug via the USIM_DET pin, The function supports low level and
high level detections. By default, It is disabled, and can be configured via AT+QSIMDET command.
Please refer to document [2] for details about the command.
The reference circuit of the 8-pin (U)SIM interface is as follows.
Module
USIM_VDD
USIM_GND
USIM_RST
USIM_CLK
USIM_DATA
USIM_DET
0R
0R
0R
VDD_EXT
51K
100 nF
GND
GND
33 pF
33 pF 33 pF
VCC
RST
CLK
IO
VPP
GND
GND
USIM_VDD
15K
(U)SIM Card Connector
Figure 19: Reference Circuit of (U)SIM Interface with an 8-pin (U)SIM Card Connector
If (U)SIM card detection function is not needed, please keep USIM_DET unconnected. A reference circuit
for (U)SIM interface with a 6-pin (U)SIM card connector is illustrated in the following figure.
USIM_DATA
15
DIO
(U)SIM card data
(U)SIM card is
supported and can be
identified automatically
by the module.
USIM_CLK
16
DO
(U)SIM card clock
USIM_RST
17
DO
(U)SIM card reset
USIM_DET
13
DI
(U)SIM card hot-plug detect
1.8 V power domain.
If unused, keep it open.

Quectel EC200A Series Specifications

General

Brand	Quectel
Model	EC200A Series
Category	Control Unit
Language	English