Product Info

LPWA Module Series
BC66-NA Hardware Design
BC66-NA_Hardware_Design 25 / 59
Figure 5: Timing of Waking up Module from PSM
Among all GPIO interrupts, only the dedicated external interrupt pin PSM_EINT can successfully wake up
the module from PSM. The module cannot be woken up by any other general purpose GPIO interrupts.
3.6. Power Supply
3.6.1. Power Supply Pins
BC66-NA provides two VBAT pins for connection with an external power supply. The table below
describes the module's VBAT and ground pins.
Table 6: Power Supply Pins
Pin Name Pin No. Description Min. Typ. Max. Unit
VBAT_BB 42
Power supply for the
module’s baseband
part
2.1 3.3 3.63 V
VBAT_RF 43
Power supply for the
module’s RF part
2.1 3.3 3.63 V
GND
1, 27, 34,
36, 37, 40, 41
GND
NOTE