XBIB-U【PDF 40/72 页】BOARD USB ZIGBEE MOD PRO

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Sheet目录58

36页 37页 38页 39页 [40页]41页 42页 43页 44页

XBee/XBeePRO"燨EM燫F燤odules??02.15.4?爒1.xAx燵2007.05.031]

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Chapter??燫F燤odule燙onfiguration

D7 (DIO7 Configuration) Command

<I/O Settings> The D7 command is used to

select/read the behavior of the DIO7 line (pin 12).

Options include:

" CTS flow control

" Analog-to-digital converter

" Digital input

" Digital output

D8 (DI8 Configuration) Command

<I/O Settings> The D8 command is used to

select/read the behavior of the DI8 line (pin 9).

This command enables configuring the pin to

function as a digital input. This line is also used

with Pin Sleep.

DA (Force Disassociation) Command

<(Special)> The DA command is used to immedi-

ately disassociate an End Device from a Coordi-

nator and reattempt to associate.

DB (Received Signal Strength) Command

<Diagnostics> DB parameter is used to read the

received signal strength (in dBm) of the last RF

packet received. Reported values are accurate

between -40 dBm and the RF module's receiver

sensitivity.

Absolute values are reported. For example: 0x58 = -88 dBm (decimal). If no packets have been

received (since last reset, power cycle or sleep event), 0 will be reported.

DH (Destination Address High) Command

<Networking {Addressing}> The DH command is

used to set and read the upper 32 bits of the RF

module's 64-bit destination address. When com-

bined with the DL (Destination Address Low)

parameter, it defines the destination address used

for transmission.

An module will only communicate with other

modules having the same channel (CH parame-

ter), PAN ID (ID parameter) and destination address

(DH + DL parameters).

To transmit using a 16-bit address, set the DH parameter to zero and the DL parameter less than

0xFFFF. 0x000000000000FFFF (DL concatenated to DH) is the broadcast address for the PAN.

Refer to the XBee/XBee-PRO Addressing section for more information.

AT Command: ATD7

Parameter Range:0 - 5

Parameter

Configuration

Disabled

CTS Flow Control

n/a

DO low

DO high

Default Parameter Value:1

Parameters 3-5 supported as of firmware

version 1.x.A0

AT Command: ATD8

Parameter Range:0 - 5

(1, 2, 4 & 5 n/a)

Parameter

Configuration

Disabled

Default Parameter Value:0

Minimum Firmware Version Required: 1.xA0

AT Command: ATDA

Minimum Firmware Version Required: v1.x80

AT Command: ATDB

Parameter Range [read-only]:

0x17-0x5C (XBee), 0x24-0x64 (XBee-PRO)

AT Command: ATDH

Parameter Range: 0 - 0xFFFFFFFF

Default Parameter Value: 0

Related Commands: DL (Destination Address

Low), CH (Channel), ID (PAN VID), MY (Source

Address)

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