LTE Standard Module Series
EC200T Series Hardware Design
EC200T_Series_Hardware_Design 41 / 90
USIM_DATA
15
IO
(U)SIM card data
USIM_CLK
16
DO
(U)SIM card clock
USIM_RST
17
DO
(U)SIM card reset
EC200T series 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 following figure shows a reference design for (U)SIM interface with an 8-pin (U)SIM card connector.
Figure 16: Reference Circuit of (U)SIM Interface with an 8-pin (U)SIM Card Connector