I/O Configuration - Digi XBee-PRO S2C Zigbee User Manual

Analog and digital I/O lines
Module Pin Names
DIO11/PWM1/DAC1
DIO8/DTR/SLP_RQ
DIO4/SPI_MOSI
DIO7/CTS
DIO9/On/SLEEP/SWO
DIO5/ASSOC/JTDI
DIO6/RTS
DIO3/AD3/SPI_SSEL
DIO2/AD2/SPI_SCLK
DIO1/AD1/SPI_ATTN
DIO0/AD0/CommBtn

I/O configuration

To enable an analog or digital I/O function on one or more XBee/XBee-PRO Zigbee RF Module pin, you
must issue the appropriate configuration command with the correct parameter. After issuing the
configuration command, you must apply changes on the device for the I/O settings to take effect.
Pin command parameter
0
1
2
3
4
5
6
7
>7
When the pin command parameter is a 0 or a 3, it operates the same on this platform, except the
device does not monitor the pin by I/O sampling if the parameter is 0.
Inputs have three variations:
Floating
n
Pulled-up
n
Pulled-down
n
XBee/XBee-PRO® S2C Zigbee® RF Module
Module Pin
7
9
11
12
13
15
16
17
18
19
20
Description
Disabled
Peripheral control
Analog
Data in monitored (see the information following the table)
Data out default low
Data out default high
RS-485 enable low/packet trace interface
RS-485 enable high
Unsupported
I/O configuration
AT Command Command Range
P1
0, 1, 3-5
D8
0, 1, 3-5
D4
0, 1, 3-5
D7
0, 1, 3-7
D9
0, 1, 3-5
D5
0, 1, 3-5
D6
0, 1, 3-5
D3
0-5
D2
0-5
D1
0-6
D0
0-5
144