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XE3386L 데이터시트 PDF




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부품번호 XE3386L 기능
기능 Compact 33600 BPS Data and Fax Modem
제조업체 ETC
로고 ETC 로고


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XE3386L 데이터시트, 핀배열, 회로
XE3386L
12/00
Compact 33,600 BPS Data and Fax Modem
Description
Xecom's XE3386L combines high-speed data and
Group III send/receive fax in a compact component.
Xecom designed the XE3386L to be embedded by OEM
designers. Xecom also offers pin compatible 2400 BPS
14,400 BPS and 56 KBPS alternatives to the XE3386L
for applications with other date rate requirements.
The XE3386L is not a modem chip but a complete
modem including the telephone interface integrated into
a compact module. It provides user transferable FCC
Part 68 registration and can connect directly to the
telephone line through an RJ11 jack. The modem
connects to the host through a TTL level serial interface.
The XE3386L also includes MNP2-4, MNP10 and
V.42 error control and MNP5 and V.42bis data
compression to provide an error free connection with the
greatest possible data throughput rate.
Features
• Small Size; 1.385 " x 1.36" x 0.575"
• Modem control with "AT" commands
• Class 1 Fax commands
• Data transfer up to 33,600 bps
• Send and receive fax to 14,400 bps
• MNP and V.42 Error Control
• MNP10 Error Control for Cellular Links
• MNP5 Data Compression to 67,200 bps
• V.42bis Data Compression to 115,200 bps
• Low power, single +5V supply
Operating Power 800 mW (Typ.)
Sleep Mode 200 mW (Typ.)
• NVRAM for modem configuration storage
RST
TXD
RXD
/DCD
/CTS
/DSR
/DTR
/RTS
/V-D
Block Diagram
VCC
Modem
Controller
ROM
NVRAM
Analog
Front End
DAA Tip
Ring
XE3386L Pin Configuration
(Top View)
RING
TIP
1o
2o
N/C
N/C
SPK
N/C
N/C
N/C
N/C
TXD
RXD
3o
4o
5o
6o
7o
8o
9o
10 o
11 o
o 22 RTS
o 21 RST
o 20 GND
o 19 VCC
o 18 N/C
o 17 /DCD
o 16 /CTS
o 15 /RI
o 14 /DSR
o 13 /DTR
o 12 /V-D
Spk
Gnd
XECOM
(1) XE3386L




XE3386L pdf, 반도체, 판매, 대치품
XE3386L Pin Descriptions
PIN NAME
1 Ring
2 Tip
3, 4 Not Used
5 SPK
6-9 N/C
10 TXD
11 RXD
12 /V-D
13 /DTR
14 /DSR
15 /RI
16 /CTS
17 /DCD
18 N/C
19 VCC
20 GND
21 RST
22 RTS
DESCRIPTION
Ring provides half of the two-wire connection to the telephone network, RJ-11 Pin 4.
A 1500 volt barrier isolates Ring from all other circuits. This isolation must be pre-
served throughout the system. The battery voltage on Ring may be positive or negative
with respect to Tip.
Tip provides half of the two-wire connection to the telephone network, RJ-11 Pin 3. A
1500 volt barrier isolates Tip from all other circuits. This isolation must be preserved
throughout the system. The battery voltage on Tip may be positive or negative with re-
spect to Ring.
No Connection should be made to these pins.
SPK provides the audio output to a speaker. Speaker output is controlled by the ATL
and ATM commands. The input impedance to the speaker driver must be greater than
300 ohms.
No Connection
TXD provides serial data input from the host. A logic high represents a "Mark" and a
low represents a "Space".
RXD provides serial data output to the host. A logic high represents a "Mark" and a
low represents a "Space".
The Voice-Data output can be used to drive an external relay for switching between the
modem and handset connected to the same telephone line.
Data Terminal Ready is an active low input to the modem. The AT&D command sets
the function of DTR.
Data Set Ready is an active low output from the modem. Its operation is determined by
the AT&S command.
Ring Indicator is an active low output which marks the presence of a ring on the line.
The XE3386L uses Clear to Send for hardware flow control. With hardware flow con-
trol active the modem raises \CTS to signal the host that the modem's transmit data
buffer is nearly full. When the buffer empties, the modem reactivates CTS.
Data Carrier Detect goes low to indicate receipt of a valid incoming carrier. The
AT&C1 command enables the carrier detect function.
No Connection
VCC provides the +5 volt power required by the modem.
Ground provides the common reference for the XE3386L.
This active high input causes a hardware reset in the XE3386L. The reset pulse must be held
high for at least 10 milliseconds to correctly reset the modem.
The modem uses Request to Send for hardware flow control. The modem stops sending data to
the host when the hosts raises /RTS. The modem resumes transferring data to the host when the
host activates /RTS
XECOM
(4) XE3386L

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XE3386L 전자부품, 판매, 대치품
XE3386L AT Command List
List of Commands
An asterisk indicates the default setting of the command for the
XE3386L.
A - Answer Command - ATA forces the modem to
immediately go off-hook and begin transmitting the answer
tone sequence.
Bn - Select Communications Standard - ATBn selects the
modulation scheme used for connections below 2400 bits per
second
n=0 Selects CCITT standards
n=1 Selects Bell standards*
D - Dial Command - Below are the characters accepted in a
dialing command.
0-9, #, * = Dialing Digits
L = Re-dial last number
P = Pulse dial
T = Tone dial
S=n = Dial stored number
W = Wait for dial tone
^ = Toggles state of calling tone
, = Pause for the duration of S8
@ = Wait for silence
! = Switch hook flash
; = Return to the command state
Mn - Speaker Activity - ATMn determines when the
modem's audio output is active.
n=0 Speaker off
n=1 Speaker on until carrier received*
n=2 Speaker remains on
n=3 Speaker off during dialing, on until carrier
On - On Line - ATOn switches the modem from the command
mode to the data mode.
n=0 Return On Line with no retrain*
n=1 Initiate retrain returning On Line.
Qn - Responses - ATQn determines if the modem will issue
responses.
n=0 Send responses*
n=1 No Responses
Sr? - Interrogate Register - ATSr? requests the current value
in register Sr.
Sr=n - Set Register Value - ATsr=n sets the value of register
Sr to n.
Vn - Result Codes - ATVn sets the modem to issue Numeric
or Full Word result codes .
n=0 Numeric Result Codes
n=1 English Word Result Codes*
En - Command Echo - ATEn determines whether commands
will be echoed back to the host.
n=0 Do not echo commands
n=1 Enable command echo*
Hn - Switch Hook Control - ATHn opens and closes the
modem's hook switch.
n=0 Switch hook relay opens
n=1 The switch hook relay closes
In - Modem Identification - ATIn identifies the modem
Ln - Speaker Volume - ATLn sets the amplitude of the
modem's audio output.
n=0 Lowest speaker volume
n=1 Low speaker volume*
n=2 Moderate speaker volume
n=3 High speaker volume
Wn - Connect Message Rate - ATWn determines whether
the data rate reported in the Connect response is the host data
rate, the link data rate or whether both are provide along with
the error control and data compression protocols negotiated.
n=0 Send "CONNECT" at DTE Rate*
n=1 Report line speed, DTE speed and Link protocol
n=2 "CONNECT" Reports Link speed
Xn - Result Code Set - ATXn selects which set of result
codes the modem may send.
n=0 Result codes 0 to 4
n=1 Result codes 0 to 5 and 10
n=2 Result codes 0 to 6 and 10
n=3 Result codes 0 to 5, 7 and 10
n=4 Full Result codes*
Zn - Reset - ATZn executes a soft reset to the modem and
resets the modem configuration.
n=0 Reset to user profile 0*
n=1 reset to user profile 1
XECOM
(7) XE3386L

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부품번호상세설명 및 기능제조사
XE3386L

Compact 33600 BPS Data and Fax Modem

ETC
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