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PDF XE3314L Data sheet ( Hoja de datos )
| Número de pieza | XE3314L | |
| Descripción | Compact 33.6 KBPS Modem Module | |
| Fabricantes | Xecom | |
| Logotipo |  |
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XE3314L
October 2000
Compact 33.6 KBPS Modem Module for Embedded Applications
Description
Features
Xecom's XE3314L is a complete, 33.6 Kbps modem in a
single component. The XE3314L can be used in through-
out North America and Japan. It includes user transfer-
rable FCC Part 68 Registration.
* User Transferrable FCC Part 68 Registration
* Small Size: 2.75 inches by 1.38 inches by 0.42 inches;
* Modem Protocols for data transfer from 33.6 KBPS
down to 300 BPS: V.34bis, V.34, V.32bis, V.32,
The XE3314L is a complete modem including the DAA. V.22bis, V.22, V.21, Bell 212A and 103;
XE3314L users do not need to add RAM, ROM, Crystals,
low distortion transformer, or switches to complete the
modem design. The user only needs to provide the TTL
level, serial interface and the telephone line connection.
* Modem Control and Configuration via standard AT
Commands
* Fax Protocols: V.17, V.29, V.27ter, and V.21 channel 2
* Error Correction; V.42, MNP2-4 and MNP10
The XE3314L is a full-featured modem. The XE3314L * Data Compression; V.42bis and MNP5 provides a
supports data compression, error correction and fax trans- maximum effective data rate of 133,400 bps.
fer. The XE3314L also includes NVRAM for permanent
storage of the modem configuration.
* Non-Volatile Memory for storing telephone numbers
and modem configuration.
The XE3314L is pin compatible with Xecom's XE1414L, * Standard operating temperature range 0C to 70C.
and XE5614L modems. This family of modems permits a Extended operating temperature range of -40C to +85C
simple upgrade path from 14,400 bps to 56,000 bps.
is availalble.
Serial I/O
/DTR
/RTS
/CTS
/DSR
TXD
RXD
/DCD
Auxiliary I/O
RESET
AR
OH
AMP
Modem
Controller
Block Diagram
ROM
NVRAM
Analog
Front
End
DAA
Tip
Ring
XECOM
(1) XE3314L
1 page  
XE3314L Typical Connection Diagram
/DCD
/DSR
16C550
UART
SIN
/DTR
/CTS
SOUT
/RTS
/RI
VCC
RXD
/DSR
XE3314L /DCD
/DTR
/CTS
TXD
/RTS
/RI
+ 5 Volts
RJ11
3
FB1 TIP
4 FB2 RING
C1 C2
AMP
GND
.2 ufd
50K
LM386
.05 ufd
10 ohms
250 ufd
8 ohm,
.5 W
speaker
Note: RJ11 Pin assignments reflect a 6-pin connector. Tip and Ring are always the center pins of the RJ11 Jack.
Recommended Parts
Reference Designation
FB1, FB2
C1, C2
J1
Description
Ferrite Beads
470 pfd 2600 VAC Capacitors
RJ11 Jack
Recommended Part Number
TDK ACB2012L-120-X
Panasonic ECKDR471
Stewart SS6446NF
XECOM
(5) XE3314L
5 Page 
XE3314L Modem Registers (continued)
S16 Test Status: S16 shows the modem test status.
Bit 0 0 = No Local Analog Loopback
1 = Local ALB Active
Bit 2 - 7Not Used
S21 General Bit-Mapped Options: S21 reflects the state of
several "AT" commands.
Bit 0-2, 7 Not Used
Bit 3,4 0 = DTR ignored (&D0)
1 = Enter command mode on DTR off (&D1)
2 = Disconnect on DTR off (&D2)
3 = Reset on DTR off (&D3)
Bit 5 0 = DCD always active (&C0)
1 = DCD on with Carrier (&C1)
Bit 6 0 = DSR always active (&S0)
1= DSR on when modem ready (&S1)
S22 General Bit-Mapped Options: S22 reflects the state of
several "AT" commands.
Bit 0-1 0 = Low speaker volume (ATL0)
1 = Low speaker volume (ATL1)
2 = Moderate speaker volume (ATL2)
3 = High speaker volume (ATL3)
Bit 2-3 0 = Speaker off (ATM0)
1 = Speaker off with carrier (ATM1)
2 = Speaker always on (ATM2)
3 = Speaker on during handshake (ATM3)
Bit 4-6 0 = Basic Result codes (ATX0)
4 = Connect speed result codes (ATX1)
5 = No Blind Dial (ATX2)
6 = Busy Detection (ATX3)
7 = Full result codes (ATX4)
Bit 7 Not Used
S23 General Bit-Mapped Options: S23 reflects the state of
several "AT" commands.
Bit 0-5 Not Used
Bit 6-7 0 = No Guard Tone (AT&G0)
1 = No Guard Tone (AT&G1)
2 = 1800 Hz guard tone (AT&G2)
3 = Not Used
S24 Sleep Mode Timer: S24 sets the length of time in
seconds that the modem must be idle before entering the
low power, sleep mode. When S24 is set to 0, sleep
mode is disabled.
Range: 0 to 255
Units: seconds
Default: 0
S27 General Bit-Mapped Options: S27 reflects the state of
several "AT" commands.
Bit 0 1 3
0 0 0 = Normal Mode (AT&Q0)
1 0 1 = Error control enabled (AT&Q5)
0 1 1 = Direct Mode (AT&Q6)
Bit 2, 4-5, 7 Not Used
Bit 6 0 = CCITT Protocols (ATB0)
1 = Bell Protocols (ATB1)
S28 Pulse Dialing Bit-Mapped Options: S28 stores the
modem's pulse dialing configuration.
Bit 0-2, 5-7 Not Used
Bit 3-4 0 = Make/Break ratio 39%/61%; 10
pulses per second (AT&P0)
1 = Make/Break ratio 33%/67%; 10
pulses per second (AT&P1)
2 = Make/Break ratio 39%/61%; 20
pulses per second (AT&P2)
3 = Make/Break ratio 33%/67%; 20
pulses per second (AT&P3)
S29 Hook Flash Timer: S29 determines the length for time
the modem closes its off-hook relay on receipt of the "!"
dial modifier to simulate a switch hook flash.
Range: 0 to 255
Units 10 milliseconds
Default 70
S30 Disconnect on Inactivity Timer: S30 sets the period the
modem is idle before it disconnects. A 0 disables the in-
activity timer.
Range: 0 to 255
Units 10 Seconds
Default 0
S31 General Bit-Mapped Options: S31 stores the status of
various AT commands.
Bit 0 0 = No single-line Connect messages (AT\V0)
1 = Use single-line connect messages (AT\V1)
Bit 1, 4-7 Not Used
Bit 2-3 0 = Report host speed (ATW0)
1 = Report all parameters (ATW1)
2 = Report modem speed only (ATW2)
XECOM
(11) XE3314L
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet XE3314L.PDF ] | |
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