CMX850-1 Просмотр технического описания (PDF) - CML Microsystems Plc
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CMX850-1 Datasheet PDF : 8 Pages
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The CMX850 in Action
. . . . . . two simple stand-alone application suggestions for the CMX850 and its DAA
Tip/Ring
from Telco
To Extension
Telephone
Backup
Battery
Voltage
Monitoring
CMX850
Communications Controller
External
CS1
FLASH
(<4MBytes)
CS2
External
RAM
(if required)
User Interface for
Code and Data Entry
LCD
CS3
LCD Driver
Keypad
Alarm Sensors
Security Alarm Controller with SIA Protocol
n Compatible with all Security Industry Association (SIA) formats (Pulse, DTMF, FSK)
n Extensive powersave capabilities improve backup battery life
n ADC can monitor backup battery voltage
n Generous I/O can monitor multiple alarm sensors
n Additional interrupt sources assist programming efforts
n Flexible oscillator control minimizes power consumption
n Reference design available for telephone line interface
n Keyboard encoder plus debounce function handles keypad data entry
n LCD controller interface accommodates a wide range of LCDs
Smart PayPhone
n Generous I/O allows for easy integration of differentiating features
n Reference design available for telephone line interface
n LCD controller interface accommodates wide range of LCDs
n Keyboard encoder plus debounce facility handles keypad data entry
n Built-in modem allows for diagnostic and rate-table updates
n DTMF encoder and call progress detector on-chip increases product
integration
n Compatible with Type I and II Caller ID
n Additional interrupts allow for easy control of speech processing
Tip/Ring
from Telco
6
CMX850
Communications Controller
External
CS1
FLASH
(<4MBytes)
CS2
External
RAM
(if required)
User Interface for
Number Entry
LCD
CS3
LCD Driver
Keypad
Speech
Processing
Microphone
Speaker
SPM
Detection
Bill/Coin
Validator
Credit Card/
Smart Card
Reader
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