Digi XB3-C-A2-UT series User Manual page 63

Hardware
The following table shows the pin assignments for the through-hole device. In the table, low-asserted
signals have a horizontal line above signal name.
Pin Name
Pin Name
V
1
CC
2 DOUT
DIN / CONFIG
3
4 DIO12 / SPI_MISO
5 RESET
6 PWM0 / RSSI / DIO10/USB_VBUS
7 DIO11/USB D+
8 USB D-
DTR / SLEEP_RQ/ DIO8
9
10 GND
11 DIO4 / SPI_MOSI
CTS / DIO7
12
ON /SLEEP/DIO9
13
14 VREF
15 Associate / DIO5
RTS / DIO6
16
AD3 / DIO3 / SPI_SS
17
1 The XBee3 device is 5 V tolerant on this pin whereas most other XBee devices are not.
Digi XBee3 Cellular LTE-M Global Smart Modem User Guide
Direction Default Description
Direction Default Description
Power supply
Output Output UART Data Out
Input Input UART Data In
Either Disabled Digital I/O 12 or SPI Slave
Output line
Input
Either Output PWM Output 0 / RX Signal
Strength Indicator / Digital
I/O 10 or USB VBUS line
Either Disabled Digital I/O 11 or USB D+ line
Direct USB D- line
Either Disabled Pin Sleep Control Line or
Digital I/O 8
Ground
Either Disabled Digital I/O 4 or SPI Slave
Input Line
Either Output Output Clear-to-Send Flow
Control or Digital I/O 7
Output Output Module Status Indicator or
Digital I/O 9
- Feature not supported on
this device. Used on other
XBee devices for analog
voltage reference.
Either Output Associated Indicator, Digital
I/O 5
Either Disabled Input Request-to-Send Flow
Control, Digital I/O 6
Either Disabled Analog Input 3 or Digital I/O
3, SPI low enabled select
line
Pin signals
1
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