LTE Module Series
BG96 Hardware Design
BG96_Hardware_Design 33 / 78
1. Use RESET_N only when turning off the module by
AT+QPOWD
command and PWRKEY pin both
failed.
2. Ensure that there is no large capacitance on PWRKEY and RESET_N pins.
3.8. (U)SIM Interface
The (U)SIM interface circuitry meets ETSI and IMT-2000 requirements. Both 1.8V and 3.0V (U)SIM cards
are supported.
Table 9: Pin Definition of (U)SIM Interface
Pin Name
Pin No.
I/O
Description
Comment
USIM_VDD
43
PO
Power supply for (U)SIM card
Either 1.8V or 3.0V is supported
by the module automatically.
USIM_DATA
45
IO
Data signal of (U)SIM card
USIM_CLK
46
DO
Clock signal of (U)SIM card
USIM_RST
44
DO
Reset signal of (U)SIM card
USIM_
PRESENCE
42
DI
(U)SIM card insertion detection
USIM_GND
47
Specified ground for (U)SIM
card
BG96 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.
NOTES
