Digi XBee3-PRO Hardware Reference Manual page 20

Hardware
Pin# Name
11 SPI_ATTN/ BOOTMODE/DIO19
12 GND
13 SPI_CLK /DIO18
14 SPI_SSEL/DIO17
15 SPI_MOSI/DIO16
16 SPI_MISO/DIO15
17 [reserved]*
18 [reserved]*
19 [reserved]*
20 [reserved]*
21 GND
22 [reserved]
23 DIO4
24 CTS/DIO7
25 ON/SLEEP/DIO9
26 ASSOCIATE/DIO5
27 RTS/DIO6
XBee3™ RF Module Hardware Reference Manual
Pin signals for the XBee3 micro module
Default
Direction state Description
Serial peripheral
Output Output
interface
attention
Do not tie low on
reset.
- - Ground.
Input Input Serial peripheral
interface
clock/GPIO.
Input Input Serial peripheral
interface not
select/GPIO.
Input Input Serial peripheral
interface data
in/GPIO.
Output Output Serial peripheral
interface data
out/GPIO.
- Disabled Do not connect.
- Disabled Do not connect.
- Disabled Do not connect.
- Disabled Do not connect.
- - Ground.
- Disabled Do not connect.
Both Disabled GPIO.
Both Output Clear to send
flow
control/GPIO.
Both Output Device status
indicator/GPIO.
Both Output Associate
Indicator/GPIO.
Both Input Request to send
flow control
/GPIO.
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