Users Manual

RAK 4630
5
R
AK2011
2.4 Pin Assignment
The following figure shows the pin assignment of RAK3400 module.
Figure 2: Pin Assignment
□ NOTES
□ For single 3.3V power supply, connect VBAT_NRF, VDD_NRF, together
with 3.3V power
□ For 3.6V li-SOCL2 battery or 4.2V li-MnO2 battery, connect VBAT_NRF with battery
output, VDD_NRF can use to indicate IO voltage level. Please don’t power any chip
with VDD_NRF.
□ GND pins should be connected to ground in the design.
□ VBAT_SX, VBAT_SX_IO is reserved, they are not connected to any chips in RAK3400
module.