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Hardware
Pin
Name
2
DOUT
3
DIN/CONFIG
4
SPI_MISO
5
RESET
6
PWM0/RSSI
PWM
7
PWM1
8
[Reserved]
9
DI8/SLEEP_
RQ/DTR
10
GND
11
DIO4/SPI_MOSI Both
12
DIO7/CTS
13
ON/SLEEP
14
V
REF
15
DIO5/ASSOC
16
DIO6/RTS
17
DIO3/AD3/SPI_
SSEL
18
DIO2/AD2/SPI_
CLK
19
DIO1/AD1/SPI_
ATTN
20
DIO0/AD0
The following table shows the pin assignments for the surface-mount device.
Pin
Name
1
GND
2
VCC
3
DOUT
XBee/XBee-PRO S2C 802.15.4 RF Module User Guide
Direction Description
Output
UART data out
Input
UART data In
Output
Serial Peripheral Interface (SPI) Data Out
Input
Module reset (reset pulse must be at least 200 ns). This must
be driven as an open drain/collector. The device drives this
line low when a reset occurs. Never drive this line high.
Output
PWM output 0 / RX signal strength indicator
Output
PWM output 1
-
Do not connect
Input
Pin sleep control line or digital input 8
-
Ground
Digital I/O 4 / SPI Data In
Both
Digital I/O 7 / Clear-to-send flow control
Output
Device sleep status indicator
-
Feature not supported on this device. Used on other XBee
devices for analog voltage reference.
Both
Digital I/O 5 / Associated indicator
Both
Digital I/O 6 / Request-to-send flow control
Both
Digital I/O 3 / Analog input 3 / SPI select
Both
Digital I/O 2 / Analog input 2 / SPI clock
Both
Digital I/O 1 / Analog input 1 / SPI Attention
Both
Digital I/O 0 / Analog input 0
Direction
Function
-
Ground
-
Power supply
Output
UART data out
Pin signals
21
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