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
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