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PDF XE5690G Data sheet ( Hoja de datos )
| Número de pieza | XE5690G | |
| Descripción | Modem | |
| Fabricantes | Xecom | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de XE5690G (archivo pdf) en la parte inferior de esta página. Total 22 Páginas | ||
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XE5690G
November 2004
World’st Smallest Complete V.90 Modem
Description
The Xecom XE5690G provides a complete, global
modem in a PLCC-68 compatible package. Xecom
designed the XE5690G to supply embedded applications
with an easy to integrate dial-up communications
solution.
Xecom supplies the XE5690G with transferable FCC Part
68 Registration. This allows the embedded system
designer to add modem communications to his process
control, remote monitoring, point-of-sale, or remote
diagnostic system without adding FCC testing.
Only Xecom offers a surface-mount, modular V.90
solution. The XE5690G package is also the smallest V.90
modem. Xecom also offers a pin compatible modules
supportingV.92 (XE5692G) and V.22bis (XE2422G)
providing the flexibility to switch modem modules to
meet changing market requirements.
Features
* Small Size: HyPLCC™ measures less than 1 inch by 1
inch and is just 0.29 inches thick
* Data transfer at rates from 300 bps to 56 KBPS (V.90)
* Modem Control and Configuration via industry
standard AT Commands.
* 3.3 and 5 volt compatible Serial Interface
* Supports V.42 error correction and V.42bis data
compression.
* Shared Line Features prevent modem operation from
interfering with voice communications.
* Nonvolatile memory stores modem configuration.
* Complete integrated DAA.
* User Transferrable FCC Part 68 Registration
* Complies with telephone networks around the world.
* UL60950 Recognition
* Low Power operation, 3.3 Volts, 100 milliwatts;
XE5690G BLOCK DIAGRAM
/Reset
/TXD
/RXD
/RTS
/DSR
/DCD
/CTS
/DTR
/INT
SPKR
/RI
Modem
Controller
NVRAM
ROM
Analog
Front
End
Global
Telephone
Line
Interface
(DAA)
Tip
Ring
XECOM
(1) XE5690G
1 page  
XE5690G Soldering Instructions
The XE5690G is subject to damage if overexposed to heat during solder reflow operations. Following the soldering
instructions below will ensure that the process of soldering the module to the board does not damage the modem.
The X5690G must not be exposed to direct Infrared (IR) heating. If your process includes direct IR heating, you
must shield the XE5690G from the infrared rays.
Maximum Temperature
Maximum Time at 220O C
Maximum Time above Eutectic (180O C)
Maximum Preheat Dwell Time
220O C
20 Seconds
90 Seconds
180 Seconds
220O C
Maximum Recommended Solder Temperature Profile
180O C
150O C
180 sec. max.
20 sec. max.
90 sec. max.
XECOM
(5) XE5690G
5 Page 
XE5690G Boot Command
The XE5690G allows a default command string to be automatically loaded into the modem on power-up or modem reset.
A series of commands loads the default command string in Hex form into the modem’s EEPROM. The EEPROM has 256
bytes available for command storage.
The sequence to load the default commands into EEPROM must begin with the Boot command and ends with a double
carriage return. All commands are loaded into the EEPROM in Hex form beginning with address M0000. Up to 8
addresses may be loaded with each command in the sequence.
The following example uses a typical configuration for an embedded application. ATE0 disables command echo;
ATQ1 disabled modem responses, and ATS0=1 sets the modem to automatically answer on the first ring. This
sequence is loaded into the modem EEPROM with the Boot command using the command sequence below. This
places the modem into the desired configuration each time power is applied or the modem is reset
Boot Command Sequence
Command
Description
AT:M0000,42,4F,4F,54,0D,41,54,45
Load characters “B,O,O,T,<CR>,A,T,E” in EEPROM begin-
ning at address M0000
AT:M0008,30,0D,41,54,51,31,0D,41
Load characters “0,<CR>,A,T,Q,1,<CR>,A” in EEPROM
beginning at address M0008
AT:M0010,54,53,30,3D,31,0D,0D
Load characters “T,S,0,=,1,<CR>,<CR>” in EEPROM begin-
ning at address M0010
XECOM
(11) XE5690G
11 Page | ||
| Páginas | Total 22 Páginas | |
| PDF Descargar | [ Datasheet XE5690G.PDF ] | |
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