Serial Communication Specifications; Uart Pin Assignments; Spi Pin Assignments; Gpio Specifications - Digi XBee-PRO S2C Zigbee User Manual

Technical specifications

Serial communication specifications

The XBee/XBee-PRO Zigbee RF Module supports both Universal Asynchronous Receiver / Transmitter
(UART) and Serial Peripheral Interface (SPI) serial connections.

UART pin assignments

Specifications
UART pins
DOUT
DIN / CONFIG
CTS / DIO7
RTS / DIO6
For more information on UART operation, see Operation.

SPI pin assignments

The SC2 (Serial Communication Port 2) of the Ember 357 is connected to the SPI port.
Specifications
SPI pins
SPI_SCLK
SPI_SSEL
SPI_MOSI
SPI_MISO
For more information on SPI operation, see

GPIO specifications

XBee/XBee-PRO Zigbee 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.
See Enable GPIO 1 and 2
GPIO electrical specification
Voltage - supply
XBee/XBee-PRO® S2C Zigbee® RF Module
Device pin number
XBee (surface-mount)
3
4
25
29
Device pin number
XBee (surface-mount)
14
15
16
17
SPI operation.
in the for more information on configuring and using GPIO ports.
Serial communication specifications
XBee (through-hole)
2
3
12
16
XBee (through-hole)
18
17
11
4
Value
2.1 - 3.6 V
18