User's Manual

LTE Module Series
BG96-NA Hardware Design
BG96-NA_Hardware_Design Confidential / Released 33 / 64
BG96-NA supports (U)SIM card hot-plug via the USIM_PRESENCE pins. 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 for (U)SIM card interface with an 8-pin (U)SIM card
connector.
Module
USIM_VDD
USIM_GND
USIM_RST
USIM_CLK
USIM_DATA
USIM_PRESENCE
22R
22R
22R
VDD_EXT
51K
100nF (U)SIM Card Connector
GND
GND
33pF
33pF 33pF
VCC
RST
CLK
IO
VPP
GND
GND
USIM_VDD
15K
Figure 15: Reference Circuit of (U)SIM Card Interface with an 8-Pin (U)SIM Card Connector
If (U)SIM card detection function is not needed, please keep USIM_PRESENCE unconnected. A
reference circuit for (U)SIM card interface with a 6-pin (U)SIM card connector is illustrated in the following
figure.
Module
USIM_VDD
USIM_GND
USIM_RST
USIM_CLK
USIM_DATA
22R
22R
22R
100nF
(U)SIM Card Connector
GND
33pF 33pF 33pF
VCC
RST
CLK IO
VPP
GND
GND
15K
USIM_VDD