
Hardware
Pin signals for the surface-mount module
XBee/XBee-PRO® S2C ZigBee® RF Module
25
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
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