LTE-A Module Series
EG06 Hardware Design
EG06_Hardware_Design 42 / 89
The reset scenario is illustrated in the following figure.
V
IL
≤0.5V
V
IH
≥1.3V
VBAT
≥250ms
Resetting
Module
Status
Running
RESET_N
Restart
≤600ms
Figure 17: 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 Interface
The (U)SIM interface circuitry meets ETSI and IMT-2000 requirements. Either 1.8V or 3.0V (U)SIM cards
are supported.
Table 9: Pin Definition of the (U)SIM Interface
Pin Name Pin No.
I/O
Description
Comment
USIM_VDD
26
PO
Power supply for (U)SIM card
Either 1.8V or 3.0V is supported
by the module automatically.
USIM_
DATA
29
IO
Data signal of (U)SIM card
USIM_CLK
27
DO
Clock signal of (U)SIM card
USIM_RST
28
DO
Reset signal of (U)SIM card
USIM_
PRESENCE
25
DI
(U)SIM card insertion detection
USIM_GND
24
Specified ground for (U)SIM card
NOTES