User's Manual

LTE Module Series
BG96-NA Hardware Design
BG96-NA_Hardware_Design Confidential / Released 32 / 64
The reset scenario is illustrated in the following figure.
VBAT
≥150ms
Resetting
Module
Status
Running
RESET_N
Restart
≤460ms
V
IL
≤0.5V
V
IH
≥1.3V
Figure 14: Timing of Resetting Module
1. Use RESET_N only when turning off the module by AT+QPOWD command and PWRKEY pin failed.
2. Ensure that there is no large capacitance on PWRKEY and RESET_N pins.
3.9. (U)SIM Card Interfaces
The (U)SIM card interface circuitry meets ETSI and IMT-2000 SIM interface requirements. Both 1.8V and
3.0V (U)SIM cards are supported.
Table 9: Pin Definition of the (U)SIM Card Interfaces
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
NOTES