CMX860D6 データシートの表示（PDF） - MX-COM Inc
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CMX860D6 Datasheet PDF : 38 Pages
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Telephone Signaling Transceiver
5
CMX860 Advance Information
2. Signal List
CMX860
E1/D6/D1
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Signal
Name
XTAL
XTAL/CLOCK
Type
output
input
RDRV
output
DVSS
RD
RT
Power
input
bi-directional
RESET
LINE
RXAMPOUT
LINERX-
LINERX+
PHONE
RXAMPOUT
PHONERX-
PHONERX+
AVSS
VBIAS
input
output
input
input
output
input
input
Power
output
PHONETX-
PHONETX+
LINETX-
LINETX+
AVDD
HT
output
output
output
output
Power
bi-directional
HD
CS
COMMAND DATA
SERIAL CLOCK
input
input
input
input
Description
The output of the on-chip Xtal oscillator inverter.
The input to the oscillator inverter from the Xtal circuit or
external clock source.
Relay drive output, low resistance pull down to DVSS
when active and medium resistance pull up to DVDD
when inactive.
The digital negative supply rail (ground).
Schmitt trigger input to the Ring signal detector. Connect
to DVSS if Ring Detector not used.
Open drain output and Schmitt trigger input forming part
of the Ring signal detector. Connect to DVDD if Ring
Detector not used.
An active-low reset pin. Can be used as part of a power-
up reset function.
The output of the Phone Rx Input Amplifier.
The inverting input to the Phone Rx Input Amplifier.
The non-inverting input to the Phone Rx Input Amplifier.
The output of the Line Rx Input Amplifier.
The inverting input to the Line Rx Input Amplifier.
The non-inverting input to the Line Rx Input Amplifier.
The analog negative supply rail (ground).
Internally generated bias voltage of approximately
AVDD/2, except when the device is in ‘Powersave’ mode
when VBIAS will discharge to AVSS. Should be decoupled
to AVSS by a capacitor mounted close to the device pins.
The inverted output of the Phone Tx Output Driver.
The non-inverted output of the Phone Tx Output Driver.
The inverted output of the Line Tx Output Driver.
The non-inverted output of the Line Tx Output Driver.
The analog positive supply rail. Levels and thresholds
within the device are proportional to this voltage.
Open drain output and Schmitt trigger input forming part
of the Hook signal detector. Connect to DVDD if Hook
Detector not used.
Schmitt trigger input to the Hook signal detector.
Connect to DVSS if Hook Detector not used.
The C-BUS chip select input from the µC.
The C-BUS serial data input from the µC.
The C-BUS serial clock input from the µC.
ã2000 MX-COM, Inc.
www.mxcom.com tel: 800 638 5577 336 744 5050 fax: 336 744 5054
Doc. # 20480222.002
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA All trademarks and service marks are held by their respective companies.
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