Pin signals

The pin locations are:

The following table shows the pin assignments for the through-hole device. In the table, low-asserted signals have a horizontal line above signal name.

 

Pin Name Direction Default Description
1

VCC

     Power supply
2 DOUT Output Output UART Data Out
3

DIN / CONFIG

 Input Input UART Data In
4 DIO12 / SPI_MISO / RX2 Either Disabled

Digital I/O 12 / SPI Slave Output line / Receive (RX2) Input

See the secondary UART note below for more information.

5

RESET

Input

    
6 PWM0 / RSSI / DIO10/USB_VBUS Either Output PWM Output 0 / RX Signal Strength Indicator / Digital I/O 10
7 PWM1 / DIO11/USB D+ / I2C_SDA Either Disabled

PWM Output 1 / Digital I/O 11 or USB Direct D+ line / I2C SDA

See the I2C note below for more information.
8 USB D-     USB Direct D- line
9

DTR / SLEEP_RQ/ DIO8

 Either Disabled Pin Sleep Control Line or Digital I/O 8
10 GND     Ground
11 DIO4 / SPI_MOSI / TX2 Either Disabled

Digital I/O 4 or SPI Slave Input Line / Transmit (TX2) Output

See the secondary UART note below for more information.
12

CTS / DIO7

 Either Output Output Clear-to-Send Flow Control or Digital I/O 7
13

ON /SLEEP/DIO9

 Output Output Module Status Indicator or Digital I/O 9
14 VREF -  

Feature not supported on this device.

Used on other XBee devices for analog voltage reference.
15 Associate / DIO5 Either Output Associated Indicator, Digital I/O 5
16

RTS / DIO6

 Either Disabled Input Request-to-Send Flow Control, Digital I/O 6
17

AD3 / DIO3 / SPI_SS / CTS2

 Either Disabled

Analog Input 3 / Digital I/O 3 / SPI low enabled select line / Clear to Send (CTS2) Input

See the secondary UART note below for more information.
18 AD2 / DIO2 / SPI_CLK / RTS2 Either Disabled

Analog Input 2 or Digital I/O 2, SPI Clock line / Ready to Receive (RTS2) Output

See the secondary UART note below for more information.
19

AD1 / DIO1 /  SPI_ATTN / I2C_SCL

 Either Disabled

Analog Input 1 or Digital I/O 1, SPI Attention line output / I2C SCL

See the I2C note below for more information
20 AD0 / DIO0 Either Input Analog Input 0, Digital I/O 0

Note Secondary UART: TX2, RX2, RTS2, and CTS2 (pins 4, 11, 18, and 17) may optionally be configured as a secondary UART serial port using MicroPython. See Class UART in the Digi MicroPython Programming Guide and for details.

Note Class I2C: For more information, see Class I2C in the Digi MicroPython Programming Guide.