Serial Communication Specifications; Uart Pin Assignments; Gpio Specifications - Digi XBee3-PRO Hardware Reference Manual

General XBee3 specifications

Serial communication specifications

The XBee3 RF Module supports Universal Asynchronous Receiver / Transmitter (UART).

UART pin assignments

Specifications
UART pins
DOUT/DIO13
DIN / CONFIG/DIO14
CTS / DIO7
RTS/ DIO6

GPIO specifications

XBee3 RF Modules have 15 General Purpose Input / Output (GPIO) ports available. The exact list
depends on the device configuration as some GPIO pads are used for purposes such as serial
communication.
GPIO electrical specification
Voltage - supply
Low switching threshold
High switching threshold
Input pull-up resistor value
Input pull-down resistor value
Output voltage for logic 0
Output voltage for logic 1
Output source/sink current
Total output current (for GPIO pads)
XBee3™ RF Module Hardware Reference Manual
Device pin number
XBee3 Micro
3
4
24
27
Serial communication specifications
XBee3 Surface-mount
3
4
25
29
Value
2.1 - 3.6 V
0.3 x VCC
0.7 x VCC
40 kΩ (typical)
40 kΩ (typical)
0.2 x VCC (maximum)
0.8 x VCC (minimum)
50 mA (maximum)
200 mA (maximum)
8