Quectel BG96 - U)SIM Interface

LPWA Module Series
BG96 Hardware Design
BG96_Hardware_Design 34 / 79
The reset scenario is illustrated in the following figure.
VBAT
≥150ms
Resetting
Module
Status
Running
RESET_N
Restart
≤460ms
V
IL
≤0.5V
Figure 12: Timing of Resetting Module
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_
PRESENCE
42
DI
(U)SIM card insertion detection
USIM_VDD
43
PO
Power supply for (U)SIM card
Either 1.8V or 3.0V is supported
by the module automatically.
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
NOTES