Quectel BG95 Series User Manual

LPWA Module Series
BG95 Hardware Design
BG95_Hardware_Design 40 / 80
Please assure that there is no large capacitance on RESET_N pin.
3.8. (U)SIM Interface
The (U)SIM interface circuitry meets ETSI and IMT-2000 requirements. BG95 supports 1.8V (U)SIM card
only.
Table 10: Pin Definition of (U)SIM Interface
BG95 supports (U)SIM card hot-plug via the USIM_PRESENCE* pin. The function supports low level and
high level detections, and is disabled by default. Please refer to document [2] about AT+QSIMDET*
command for details.
The following figure shows a reference design of (U)SIM interface with an 8-pin (U)SIM card connector.
Pin Name Pin No. I/O Description Comment
USIM_
PRESENCE*
42 DI (U)SIM card insertion detection
USIM_VDD 43 PO Power supply for (U)SIM card
Only 1.8V (U)SIM card is
supported.
USIM_RST 44 DO Reset signal of (U)SIM card
USIM_DATA 45 IO Data signal of (U)SIM card
USIM_CLK 46 DO Clock signal of (U)SIM card
USIM_GND 47 Specified ground for (U)SIM card
NOTE

Quectel BG95 Series Specifications

General

Brand	Quectel
Model	BG95 Series
Category	Control Unit
Language	English