Pin Signals - Digi XBP09-XC... Manual

XBee‐PRO® XSC OEM RF Modules

1.3. Pin Signals

Figure 1‐01. XBee‐PRO XSC OEM RF Module Pin Numbers (top view, shield underneath)
Table 1‐02. J1 Pin Signal Descriptions
(Low‐asserted signals distinguished with a horizontal line over signal name.)
Module Pin Public Signal
1 VCC
2 DO (Data Out)
3 DI (Data In
4 DO3 / RX LED
Reset
5
Config
6
7
8
9 DI3 / SLEEP
10 GND
11
DO2 / CTS / RS-485
12
Enable
ON / Sleep
13
14 VREF
TX / PWR
15
DI2 / RTS / CMD
16
17
18
© 2010 Digi International, Inc.
When
Notes I/O
Active
I 3.0VDC to 3.6VDC
Serial data exiting the module (to the UART host).
O n/a Refer to the Serial Communications section for more
information
Serial data entering the module (from UART host).
I n/a Refer to the Serial Communications section for more
information.
Pin is driven high during RF data reception; otherwise,
O high the pin is driven low. Refer to the CD Command
section to enable.
Has a
Re-boot module.(minimum pulse is 90us) Open Drain
10k pull
I/O low configuration. Module will drive reset line low
up
momentarily on reboot and power up.
resistor
Has a Pin can be used as a backup method for entering
100k Command Mode during power-up. Primary method is
I low / high
pull up with "+++". Refer to the AT Commands section for
resistor more information.
O Driven high Do not Connect
NC Do not Connect
Has a
By default, DI3 pin is not used. To configure this pin to
100k
I high support Sleep Modes, refer to the Sleep Mode, SM
pull up
Command and PW Command sections.
resistor
Ground
O Driven high Do not Connect
CTS(clear-to-send) flow control - When pin is driven
low, UART host is permitted to send serial data to the
module. Refer to the Serial Communications and CS
Command sections for more information.
O low
----------------------------------------------------------------
RS-485 Enable - To configure this pin to enable RS-
485 (2-wire or 4-wire) communications, refer to the
Serial Communications and CS Command sections.
high = Indicates power is on and module is not in
O high Sleep Mode. Low = Sleep mode or module is
unpowered
Not used on this module. For compatibility with other
XBee modules, we recommend connecting this pin to
I n/a
a voltage reference if Analog sampling is desired.
Otherwise, connect to GND.
low = TX - Pin pulses low during transmission
--------------------------------------------------------------
O n/a
high = PWR - Indicates power is on and module is not
in Sleep Mode
RTS (request-to-send) flow control - By default, this
pin is not used. To configure this pin to regulate the
Has a
flow of serial data exiting the module, refer to the
100k
Serial Communications and RT Command sections.
pull I low
---------------------------------------------------------------
down
CMD -Refer to Binary Commands and RT
resistor
Commandsections to enable binary command
programming.
O Driven low Do not Connect
O Driven low Do not Connect
Function
7