XIB-E【PDF 6/64 页】BOARD INTERFACE ETHERNET

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1.4. Pin Signals

Figure?02. XStream燨EM燫F燤odule燩in燦umbers?SPAN class="pst XIB-E_2593259_3">(bottom?/SPAN>view,?/SPAN>pins?/SPAN>protruding)牋牋

Table?02. J1燩in燬ignal燚escriptions牋

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Module Pin

Signal Name

I/O

When Active

Function

(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 [p9] and CS Command

[p23] sections for more information.

DO2 /

RS-485 Enable

low

RS-485 Enable To configure this pin to enable RS-485

(2-wire or 4--wire) communications, refer to the Serial

Communications [p9] and CS Command [p23] sections.

DI3 / SLEEP

high

By default, DI3 pin is not used. To configure this pin to support

Sleep Modes, refer to the Sleep Mode [p13], SM Command

[p32] and PW Command [p29] sections.

DO (data out)

n/a

Serial data exiting the module (to the UART host). Refer to the

Serial Communications [p9] section for more information.

DI (data in)

n/a

Serial data entering the module (from UART host). Refer to the

Serial Communications [p9] section for more information.

(request-to-send) flow control By default, this pin is not

used. To configure this pin to regulate the flow of serial data

exiting the module, refer to the Serial Communications [p9] and

RT Command [p31] sections.

DI2 /

/ CMD

I**

low

CMD Refer to Binary Commands [p17] and RT Command

[p31] sections to enable binary command programming.

low

Re-boot module.

DO3 / RX LED

high

Pin is driven high during RF data reception; otherwise, the pin

is driven low. Refer to the CD Command [p22] to enable.

low

- Pin pulses low during RF transmission.

/ PWR

high

PWR Indicates power is on and module is not in Sleep Mode.

I***

low

Pin can be used as a backup method for entering Command

Mode during power-up. Primary method is with +++. Refer to

the Command Mode [p16] section for more information.

VCC

5 VDC regulated (?0.25)

GND

Ground

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Note: When integrating the XStream Module with a Host PC Board, all lines that are not used should

be left disconnected (floating).

Table?03. J2燩in燬ignal燚escriptions?/DIV>

Module Pin

Signal Name

reserved

GND

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