Digi XBee3-PRO Micro Quick user guide

XBee3™
RF Module
Hardware Reference Manual

Revision history—900001543
Revision Date Description
A October 2017 Initial release.
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XBee3™ RF Module Hardware Reference Manual 2

Contents
XBee3™ RF Module Hardware Reference Manual
General XBee3 specifications
General specifications 7
Regulatory conformity summary 7
Serial communication specifications 8
UART pin assignments 8
GPIO specifications 8
802.15.4-specific specifications
Performance specifications 10
Power requirements 10
Networking and security specifications 10
Communication interface specifications 10
Hardware
Mechanical drawings 12
XBee3 surface-mount (U.FL/RF Pad) 12
XBee3 surface-mount (embedded antenna) 13
XBee3 micro (U.FL/RF Pad) 14
XBee3 micro (chip antenna) 15
Pin signals for the XBee3 surface-mount module 15
Pin signals for the XBee3 micro module 18
Design notes 21
Power supply design 21
Board layout 21
Antenna performance 22
Recommended pin connections 22
Design notes for surface mount PCB antenna and micro footprint chip antenna devices 22
Design notes for RF pad devices 24
Regulatory information
United States (FCC) 28
OEM labeling requirements 28
FCC notices 28
XBee3™ RF Module Hardware Reference Manual 3

XBee3™ RF Module Hardware Reference Manual 4
FCC-approved antennas (2.4 GHz) 29
RF exposure 35
Europe (CE) 35
Maximum power and frequency specifications 36
OEM labeling requirements 36
Declarations of conformity 37
Antennas 37
IC (Industry Canada) 37
Labeling requirements 37
For XBee3: 37
RF Exposure 38
Manufacturing information
Recommended solder reflow cycle 40
Handling and storage 40
Recommended footprint 41
Flux and cleaning 44
Reworking 44

XBee3™ RF Module Hardware Reference Manual
This manual provides information for the XBee3 RF Module hardware. The XBee3 RF Module can be
either the micro or the surface-mount form factor.
For more information about the operation and programming functions of the device, see the XBee3®
Zigbee® User Guide.
XBee3™ RF Module Hardware Reference Manual 5

General XBee3 specifications
The following tables provide general specifications for the hardware.
General specifications 7
Regulatory conformity summary 7
Serial communication specifications 8
GPIO specifications 8
XBee3™ RF Module Hardware Reference Manual 6

General XBee3 specifications General specifications
XBee3™ RF Module Hardware Reference Manual 7
General specifications
The following table describes the general specifications for the devices.
Specification XBee3/XBee3-PRO Micro XBee3/XBee3-PRO surface-mount
Operating frequency
band
ISM 2.4 - 2.5 GHz
Form factor Micro Surface-mount
Dimensions Micro: 1.36 cm x 1.93 cm x 0.241 cm
(0.534 in x 0.760 in x 0.095 in)
Surface-mount: 2.199 x 3.4 x 0.368
cm (0.866 x 1.33 x 0.145 in)
Operatingtemperature -40 to 85 °C (industrial)
Antenna options RF pad, chip antenna, or U.FL
connector
RF pad, embedded antenna, or
U.FL connector
Regulatory conformity summary
This table describes the agency approvals for the devices.
Approval XBee3 XBee3-PRO
United States (FCC Part 15.247) FCC ID: MCQ-XBEE3 FCC ID: MCQ-XBEE3
Industry Canada (IC) IC: 1846A-XBEE3 IC: 1846A-XBEE3
FCC/IC Test Transmit Power Output range -6.8 to +19.9 dBm -6.8 to +19.9 dBm
Europe (CE) Yes
RoHS Compliant

General XBee3 specifications Serial communication specifications
XBee3™ RF Module Hardware Reference Manual 8
Serial communication specifications
The XBee3 RF Module supports Universal Asynchronous Receiver / Transmitter (UART).
UART pin assignments
Specifications Device pin number
UART pins XBee3 Micro XBee3 Surface-mount
DOUT/DIO13 3 3
DIN / CONFIG/DIO14 4 4
CTS / DIO7 24 25
RTS/ DIO6 27 29
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 Value
Voltage - supply 2.1 - 3.6 V
Low switching threshold 0.3 x VCC
High switching threshold 0.7 x VCC
Input pull-up resistor value 40 kΩ(typical)
Input pull-down resistor value 40 kΩ(typical)
Output voltage for logic 0 0.2 x VCC (maximum)
Output voltage for logic 1 0.8 x VCC (minimum)
Output source/sink current 50 mA (maximum)
Total output current (for GPIO pads) 200 mA (maximum)

802.15.4-specific specifications
The following tables provide specifications specific to the XBee3 RF Module when using the 802.15.4
physical layer, for example: Zigbee, DigiMesh, and so forth.
Performance specifications 10
Power requirements 10
Networking and security specifications 10
Communication interface specifications 10
XBee3™ RF Module Hardware Reference Manual 9

802.15.4-specific specifications Performance specifications
XBee3™ RF Module Hardware Reference Manual 10
Performance specifications
The following table describes the performance specifications for the devices.
Specification XBee3 XBee3-PRO
Indoor/urban range Up to 60 m (200 ft) Up to 90 m (300 ft)
Outdoor RF line-of-sight range Up to 1200 m (4000 ft) Up to 3200 m (2 mi)
Transmit power output (maximum) 6.3 mW (+8 dBm) 79 mW (+19 dBm)
RF data rate 250,000 b/s
Receiver sensitivity -103 dBm
Power requirements
The following table describes the power requirements for the XBee3 RF Module.
Specification XBee3 XBee3-PRO
Adjustable power Yes
Supply voltage 2.1 - 3.6 V
Operating current (transmit) 40 mA @ +3.3 V, +8 dBm 135 mA @ +3.3 V, +19 dBm
Operating current (receive) 15 mA
Power-down current 1.7 µA @ 25° C
Networking and security specifications
The following table describes the networking and security specifications for the devices.
Specification XBee3/XBee3-PRO
Supported network topologies Point-to-point, point-to-multipoint, peer-to-peer, and DigiMesh
Number of channels 16 Direct sequence channels
Interface immunity Direct Sequence Spread Spectrum (DSSS)
Channels 11 to 26
Addressing options PAN ID and addresses, cluster IDs and endpoints (optional)
Communication interface specifications
The following table provides the device's communication interface specifications.
Interface options
UART 250 Kb/s maximum

Hardware
Mechanical drawings 12
Pin signals for the XBee3 surface-mount module 15
Pin signals for the XBee3 micro module 18
Design notes 21
XBee3™ RF Module Hardware Reference Manual 11

Hardware Mechanical drawings
XBee3™ RF Module Hardware Reference Manual 12
Mechanical drawings
The following mechanical drawings of the XBee3 RF Modules show all dimensions in inches.
XBee3 surface-mount (U.FL/RF Pad)

Hardware Mechanical drawings
XBee3™ RF Module Hardware Reference Manual 13
XBee3 surface-mount (embedded antenna)

Hardware Mechanical drawings
XBee3™ RF Module Hardware Reference Manual 14
XBee3 micro (U.FL/RF Pad)

Hardware Pin signals for the XBee3 surface-mount module
XBee3™ RF Module Hardware Reference Manual 15
XBee3 micro (chip antenna)
Pin signals for the XBee3 surface-mount module
The following drawing shows the surface-mount (SMT) pin locations.

Hardware Pin signals for the XBee3 surface-mount module
XBee3™ RF Module Hardware Reference Manual 16
The following table shows the pin signals and their descriptions for the surface-mount device.
Pin# Name Direction
Default
state Description
1 GND - - Ground.
2 VCC - - Power supply.
3 DOUT /DIO13 Both Output UART data out
/GPIO.
4 DIN / CONFIG /DIO14 Both Input UART data in
/GPIO.
5 DIO12 Both GPIO.
6 RESET Input Device reset.
7 RSSI PWM/DIO10 Both Output RX signal
strength
Indicator /GPIO.
8 PWM1/DIO11 Both Disabled Pulse width
modulator/GPIO.
9 [reserved] - Disabled Do not connect.

Hardware Pin signals for the XBee3 surface-mount module
XBee3™ RF Module Hardware Reference Manual 17
Pin# Name Direction
Default
state Description
10 DTR/SLEEP_RQ /DIO8 Both Input Pin sleep control
Line/GPIO.
11 GND - - Ground.
12 SPI_ATTN/ BOOTMODE/DIO19 Output Output
Serial peripheral
interface
attention .
Do not tie low on
reset.
13 GND - - Ground.
14 SPI_CLK /DIO18 Input Input Serial peripheral
interface
clock/GPIO.
15 SPI_SSEL/DIO17 Input Input Serial peripheral
interface not
select/GPIO.
16 SPI_MOSI/DIO16 Input Input Serial peripheral
interface data
in/GPIO.
17 SPI_MISO/DIO15 Output Output Serial peripheral
interface data
out/GPIO.
18 [reserved]* - Disabled Do not connect.
19 [reserved]* - Disabled Do not connect.
20 [reserved]* - Disabled Do not connect.
21 [reserved]* - Disabled Do not connect.
22 GND - - Ground.
23 [reserved] - Disabled Do not connect.
24 DIO4 Both Disabled GPIO.
25 CTS/DIO7 Both Output Clear to send
flow
control/GPIO.
26 ON/SLEEP/DIO9 Both Output Device status
indicator/GPIO

Hardware Pin signals for the XBee3 micro module
XBee3™ RF Module Hardware Reference Manual 18
Pin# Name Direction
Default
state Description
27 [reserved] - Disabled
Do not connect
or connect to
Ground.
28 ASSOCIATE/DIO5 Both Output Associate
Indicator/GPIO.
29 RTS/DIO6 Both Input Request to send
flow control
/GPIO.
30 AD3/DIO3 Both Disabled Analog
input/GPIO.
31 AD2/DIO2 Both Disabled Analog
input/GPIO
32 AD1/DIO1 Both Disabled Analog
input/GPIO.
33 AD0 /DIO0 Both Input Analog input /
GPIO /
Commissioning
button.
34 [reserved] - Disabled Do not connect.
35 GND - - Ground.
36 RF Both - RF I/O for RF
pad variant.
37 [reserved] - Disabled Do not connect.
Signal direction is specified with respect to the device.
This is a complete list of functionalities. See the applicable software manual for available
functionalities.
See Design notes for details on pin connections.
* Refer to Writing custom firmware for instructions on using these pins if JTAG functions are needed.
Pin signals for the XBee3 micro module
The following drawing shows the micro pin locations.

Hardware Pin signals for the XBee3 micro module
XBee3™ RF Module Hardware Reference Manual 19
The following table shows the pin signals and their descriptions for the XBee3 Micro device.
Pin# Name Direction
Default
state Description
1 GND - - Ground.
2 VCC - - Power supply.
3 DOUT /DIO13 Both Output UART data out
/GPIO.
4 DIN / CONFIG /DIO14 Both Input UART data in
/GPIO.
5 DIO12 Both GPIO.
6 RESET Input Device reset.
7 RSSI PWM/DIO10 Both Output RX signal
strength
Indicator /GPIO.
8 PWM1/DIO11 Both Disabled Pulse width
modulator/GPIO.
9 DTR/SLEEP_RQ /DIO8 Both Input Pin sleep control
Line/GPIO.
10 GND - - Ground.

Hardware Pin signals for the XBee3 micro module
XBee3™ RF Module Hardware Reference Manual 20
Pin# Name Direction
Default
state Description
11 SPI_ATTN/ BOOTMODE/DIO19 Output Output
Serial peripheral
interface
attention
Do not tie low on
reset.
12 GND - - Ground.
13 SPI_CLK /DIO18 Input Input Serial peripheral
interface
clock/GPIO.
14 SPI_SSEL/DIO17 Input Input Serial peripheral
interface not
select/GPIO.
15 SPI_MOSI/DIO16 Input Input Serial peripheral
interface data
in/GPIO.
16 SPI_MISO/DIO15 Output Output Serial peripheral
interface data
out/GPIO.
17 [reserved]* - Disabled Do not connect.
18 [reserved]* - Disabled Do not connect.
19 [reserved]* - Disabled Do not connect.
20 [reserved]* - Disabled Do not connect.
21 GND - - Ground.
22 [reserved] - Disabled Do not connect.
23 DIO4 Both Disabled GPIO.
24 CTS/DIO7 Both Output Clear to send
flow
control/GPIO.
25 ON/SLEEP/DIO9 Both Output Device status
indicator/GPIO.
26 ASSOCIATE/DIO5 Both Output Associate
Indicator/GPIO.
27 RTS/DIO6 Both Input Request to send
flow control
/GPIO.