XE0092-ITR Cermetek Microelectronics, XE0092-ITR Datasheet - Page 2

• Manufacturer Part Number: XE0092-ITR
• Manufacturer: Cermetek Microelectronics

Specifications of XE0092-ITR

• Lead Free Status / RoHS Status: Supplier Unconfirmed

Cermetek Microelectronics, Inc
XE0092 PIN DESCRIPTIONS
Pin Name Description
©2009 Cermetek Microelectronics, Inc.
1
2
3
4
GND
VCC
VCC +3.3 or 5 Volt power source for the
/CID
RX+
TX+ TX+ is the positive half of the differential
/OH Switch-hook control to the modem. /OH is
/OH
TX- TX- is the negative half of the differential
Tx+
RX-
TX-
/RI
XE0092. VCC powers the /RI and /OH
control lines.
transmit data input to the XE0092 from
the host system. If the host system uses
a single ended transmit data output, that
output should be connected to TX- and
TX+ should be grounded.
transmit data input to the XE0092 from
the host system. If the host system uses
a single ended transmit data output, that
output should be connected to TX- and
TX+ should be grounded.
an active low input. Activating OH closes
the switch-hook causing the XE0092 to
seize the local telephone line.
telephone line connection is dropped
when OH is deactivated.
The host can pulse OH to simulate rotary
dialing. The pulse rate in the US is ten
pulses per second. Each digit is dialed
as a series of pulses created by closure
of the hook-switch, one pulse for the digit
one to ten pulses for the digit zero. The
pulses must be asymmetrical so that the
hook-switch
milliseconds and open for sixty-nine
milliseconds.
least
required.
1
2
3
4
5
6
7
8
9
one
Top View
XE0092
hundred
is
An inter-digit delay of at
closed
11
10
milliseconds
for
TIP
RING
thirty-one
The
is
Page 2
Pin Name Description
10
11
5
6
7
8
9
GND Ground connection to the XE0092. This
/CID /CID is an active low input to the XE0092.
Ring Ring is one wire of the two-wire
RX+ RX+ is the positive half of the differential
RX- RX- is the negative half of the differential
Tip
/RI
Ring Indicate output from the module. /RI
is active low. RI goes low for the duration
of each incoming ring, returning high
between rings. The XE0092 recognizes
ring voltages of twenty-eight to one
hundred fifty volts RMS in the frequency
range of sixteen to sixty-eight Hertz.
The host drives /CID low after the first
ring to permit the Caller ID signal to be
presented on the RX outputs.
telephone network normally sends Caller
ID information on incoming calls between
the first and second ring.
received data output from the XE0092. If
the host system uses a single ended
received data input, that input should be
connected to RX+ and RX- should
remain open.
received data output from the to the host
system. If the host system uses a single
ended received data input, that input
should be connected to RX+ and RX-
should remain open.
signal provides the reference for the /OH
input and /RI output. This pin should be
connected to the systems digital ground.
telephone line connection (RJ11 Pin 3).
FCC Part 68 Rules require a 1500 volt
isolation barrier between the telephone
line and all other circuits. This isolation
must be preserved throughout the system.
Cermetek
spacing between traces connected to
Ring and all other conductors to preserve
this isolation
Tip is one wire of the two-wire telephone
line connection (RJ11 Pin 4).
telephone
"Battery" voltage across Tip and Ring on
all public switched telephone lines. The
XE0092 accept this line battery voltage
without regard to its polarity.
Document No. 607-0100 Revision A (10/09)
recommends
company
XE0092 Low-cost DAA Module
places
0.100
a
inch
The
The
DC