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XE24S500 데이터시트 PDF




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XE24S500 데이터시트, 핀배열, 회로
www.DataSheet4U.com
XE24S500
December 2006
Xecom XE24S500 the Smallest, Complete 2.4 GHZ FHSS Transceiver
Description
The Xecom XE24S500 is a miniature 2.4 GHz Spread
Spectrum transceiver. It includes all RF hardware and a
micro-controller to manage the communications link.
The micro-controller manages all communications task
including configuration, data packaging, and Frequency
Hopping. The result is a complete wireless data
communications solution.
The XE24S500 package is unique because of its size
(less than 1.4 square inches), its leadless surface-mount
design, and the availability of an on-board chip antenna.
No competitive products can offer a solution as flexible,
convenient, and easy to integrate,
There are two XE24S500 models; the XE24S500C with
the on-board chip antenna and the XE24S500D with
dipole antenna connector. The dipole antenna improves
range while the chip antenna lowers system cost and
simplifies integration. Development Kits are available
for each version. A pin-compatible, lower power variant
is also available, the XE24S100, for applications with
lesser range requirements.
Models
XE24S500C: Includes on-board chip antenna
XE24S500D: Includes Dipole Antenna connector
XE24S500DK-C: XE24S500C Development Kit
XE24S500DK-D: XE24S500D Development Kit
Features
1.55” x 0.9” x 0.12” Leadless Surface-Mount package
Utilizes globally available 2.4 GHz ISM band
Control and Configuration with AT commands.
254 unique node addresses plus 254 unique Group
IDs allow multiple large networks to coexist.
Programmable Transmit Power Output, max. 500 mW
Typical Receiver Sensitivity -87 dBm
Typical Throughput rate 20,000 bps
Obstructed signal range 700 feet (XE24S500D)
Multiple Low Power Operating modes
SensorOnAirTM (patent pending) allows direct
connection of sensors to the Smart Transceiver
Count-OffTM (patent pending) allows the host node to
download the status of all nodes in under 10 seconds.
FCC Part 15 Modular Certification
Antenna
XE24S500 Block Diagram
SAW
FILTER
R
MUX
2.4 GHZ
TRANSCEIVER
RF AMP
RF AMP
SAW
FILTER
XECOM
(1) XE24S500




XE24S500 pdf, 반도체, 판매, 대치품
XE24S500 PIN CONFIGURATION
XE24S500
DIO2
DIO3
VCC
/RTS
/CTS
RXD
TXD
N/C
N/C
1
2
3
4
5
6
7
8
9
18 DIO0
17 DIO1
16 GND
15 ADC1
14 ADC0
13 Reserved
12 N/C
11 N/C
10 N/C
top view
SIGNAL PINS
DESCRIPTION
DIO2
1 DIO2 may be programmed as either a digital input or digital output. It connects directly to
the communications controller in the XE24S500.
DIO3
VCC
/RTS
2 DIO3 may be programmed as either a digital input or digital output. It connects directly to
the communications controller in the XE24S500.
3 3.3 Volt power for the XE24S500.
4 Request to Send provides hardware flow control from the host system. The host system
drives /RTS high to signal the XE24S500 to temporarily stop the flow of data on RXD.
/CTS
5 Clear to Send provides hardware flow control from the XE24S500. The XE24S500 drives
/CTS high to signal the host to temporarily stop the flow of data on the TXD.
RXD 6 Received Data is the data output from the XE24S.
TXD 7 Transmit Data is the data input to the XE24S
N/C 8-12 No Connection
Reserved 13 This Pin is reserved for future use
ADC0
14 Analog Input 0 to the XE24S500 communications controller. ADC0 connects to an
internal 12-bit Analog to Digital Convertor. ADC0 may also be configured as a digital
input if no analog inputs are required.
ADC1
15 Analog Input 1 to the XE24S500 communications controller. ADC1 connects to an
internal 12-bit Analog to Digital Convertor. ADC1 may also be configured as a digital
input if no analog inputs are required.
Ground
16 Common voltage reference for the XE24S500.
DIO1
DIO0
17 DIO1 may be programmed as either a digital input or digital output. It connects directly to
the communications controller in the XE24S500.
18 DIO0 may be programmed as either a digital input or digital output. It connects directly to
the communications controller in the XE24S500.
XECOM
(4) XE24S500

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XE24S500 전자부품, 판매, 대치품
XE24S500 COMMUNICATIONS CONTROLLER
An internal micro-controller serves as the XE24S500
communications controller. This micro-controller
manages the host interface, manages the wireless
link, and formats data for the RF communications.
HOST INTERFACE
The XE24S500 has two primary system interfaces;
the serial interface and the direct sensor interface
supported by SensorOnAir™. The communications
controller manages both interfaces.
Serial Interface
The XE24S500 supports a 4-line serial interface.
Control and configuration of the transceiver takes
place through the serial interface using modem-like
AT commands. The serial data rate is configurable
from 1200 to 115.2K bits per second. The supported
serial interface signals are listed below.
TXD - Transmit Data; input for commands and for
Data to be transmitted on the wireless link.
RXD - Received Data; the output for received RF
data and responses to AT commands.
/RTS - Request to Send, hardware flow control
input. The host raises /RTS to tell the
XE24S500 to stop passing data on RXD.
/CTS - Clear to Send, is the hardware flow control
output. The XE24S500 raises /CTS to stop
data input on the TXD lead.
XE24S500 AT Command Format
Each command follows a standard command
format as described below. Commands are
accepted at data rates from 1200 to 115,200 bps.
The default serial data rate is 9600 bps and is
changed using register S23.
Command Prefix - Each command, except A/,
begins with the AT prefix. The "A" and "T" may be
either both upper case or both lower case but cannot
be of different cases. The prefix identifies parity of
the commands sent to the XE24S500 by comparing
the parity bits of the "A" and the "T" characters.
Command Line - Commands may be strung
together in a single command line of up to 30
characters. Commands in the command string are
executed in the sequence they appear. An
“ERROR” response will be issued if the command
buffer is overfilled and none of the commands will
be executed.
Omitted Parameters - Many commands include a
parameter which determines the function setting.
When the command parameter is omitted from the
command string, it is assumed to be a 0.
Result Codes - Result codes are normally issued
after each action. Result codes may be provided as
full words, numeric codes, or may be disabled.
When numeric result codes are chosen, each result
code ends with a Carriage Return. Full word result
codes are preceded and followed by a Line Feed
and Carriage Return.
Disconnect Sequence - A 3-character sequence
initiates a disconnect of the wireless link. The
sequence “~~~” is assigned to disconnect the link.
DIRECT CONNECTION OF SENSORS
SensorOnAirpermits sensors to be connected
directly to the XE24S500 without an application
controller. The XE24S500 communications controller
controls the operation of the sensors.
Sensor I/O Lines
SensorOnAircontrols the operation of 6 I/O lines.
This includes 2 analog inputs, ADC0 and ADC1, and
4 digital I/O lines, DIO0, DIO1, DIO2, and DIO3.
ADC0 and ADC1 are connected to a 12-bit analog
to digital converter and use a 2.5 volt reference
derived from VCC as their reference voltage. The
digital I/O lines can be programmed to act as either
inputs or outputs.
XECOM
(7) XE24S500

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