Pin Signals For The Xbee Zigbee Surface Mount Module - Digi XBEE PRO S2C Manual

® ®
XBee /XBee‐PRO ZB RF Modules

Pin Signals for the XBee ZigBee Surface Mount Module

Pin #
1
2
3
4 DIN / CONFIG / DIO14
5
6
7 RSSI PWM / DIO10
8
9
10 DTR / SLEEP_RQ / DIO8
11
12 SPI_ATTN / BOOTMODE / DIO19
13
14
15 SPI_SSEL / DIO 17
16 SPI_MOSI / DIO16
17 SPI_MISO / DIO15
18
19
20
21
22
23
24
25
26 ON / SLEEP / DIO9
27
28 ASSOCIATE / DIO5
29
30
31
32
33
34
35
36
37
© 2014 Digi International Inc.
Pin Assignments for XBee Surface Mount Modules
(Low‐asserted signals are distinguished with a horizontal line above signal name.)
Name Direction
GND
VCC
DOUT / DIO13 Both
Both
DIO12 Both
RESET Input
Both
PWM1 / DIO11 Both
[reserved]
Both
GND
Output
GND
SPI_CLK / DIO18 Input
Input
Input
Output
[reserved]*
[reserved]*
[reserved]*
[reserved]*
GND
[reserved]
DIO4 Both
CTS / DIO7 Both
Both
VREF Input
Both
RTS / DIO6 Both
AD3 / DIO3 Both
AD2 / DIO2 Both
AD1 / DIO1 Both
AD0 / DIO0 Both
[reserved]
GND
RF Both
[reserved]
• Signal Direction is specified with respect to the module
• See Design Notes section below for details on pin connections.
• * Refer to the Writing Custom Firmware section for instructions on using these pins if JTAG
functions are needed.
Default State
- -
- -
Output
Input
Output
Disabled
- Disabled
Input
- -
Output
- -
Input
Input
Input
Output
- Disabled
- Disabled
- Disabled
- Disabled
- -
- Disabled
Disabled
Output
Output
secondary processor. For compatibility with other
- XBee modules, we recommend connecting this pin
Output
Input
Disabled
Disabled
Disabled
Input
- Disabled
- -
-
- Disabled
Description
Ground
Power Supply
UART Data Out / GPIO
UART Data In / GPIO
GPIO
Module Reset
RX Signal Strength Indicator / GPIO
Pulse Width Modulator / GPIO
Do Not Connect
Pin Sleep Control Line / GPIO
Ground
Serial Peripheral Interface Attention
Do not tie low on reset
Ground
Serial Peripheral Interface Clock / GPIO
Serial Peripheral Interface not Select / GPIO
Serial Peripheral Interface Data In / GPIO
Serial Peripheral Interface Data Out / GPIO
Do Not Connect
Do Not Connect
Do Not Connect
Do Not Connect
Ground
Do Not Connect
GPIO
Clear to Send Flow Control / GPIO
Module Status Indicator / GPIO
Not used for EM357. Used for programmable
to the voltage reference if Analog Sampling is
desired. Otherwise, connect to GND.
Associate Indicator / GPIO
Request to Send Flow Control / GPIO
Analog Input / GPIO
Analog Input / GPIO
Analog Input / GPIO
Analog Input / GPIO
Do Not Connect
Ground
RF IO for RF Pad Variant
Do Not Connect
11