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CONTROL44

Description
4 bit Address - 4 bit Data encoder/decoder
File Size206KB,7 Pages
ManufacturerETC2
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CONTROL44 Overview

4 bit Address - 4 bit Data encoder/decoder

Radiometrix
Hartcran House, 231 Kenton Lane, Harrow, HA3 8RP, England
Issue: 4, 01 November 2004
Tel: +44 (0) 20 8909 9595, Fax: +44 (0) 20 8909 2233
Control44
4 bit Address - 4 bit Data encoder/decoder
Control44 is a 4 bit address, 4 bit data
encoder and decoder combined in a single IC.
This device can operate in either Encode or
Decode mode. It uses 1kbps differential
Manchester bit balancing with preamble and
checksum.CTR44 is specifically designed to
be used in RF remote control applications. It
is available in 20pin SSOP, 18pin SOIC and
PDIP packages.
Figure 1: Control44 in SO, DIL packages
Features
Operating voltage (temperature):
3.0V-5.5V for standard version (-40°C to +125°C)
2.0V-5.5V for low voltage version (-40°C to +85°C)
Draws <2mA without external load
4 bit address and 4 bit data
16 different remotes with 4 controls each
Single packetised transmission for fast activation
Maximum usage of the range capability of an RF module
Adequate preamble to settle data slicer in the receiver.
Extra wake up preamble to allow for transmitter power up time requirements
Differential Manchester encoding of address, data and checksum
Synchronisation codes and checksum to reduce false triggering on noise
Suitable to be used with Narrow Band FM radio modules
Ceramic resonator or crystal oscillator up to 20MHz
Data rate up to 5.6kbps
Minimum external component requirement
4 wire, push button and latched push button modes
Custom address, data bit variations available subject to minimum order quantity
Applications
Security and Alarm systems
Emergency assistance call system
Status reporting and monitoring systems
RF Remote control systems
Industrial controls
HVAC controls
Simple On/Off switching
Long range telecontrol with Narrow Band FM radios
Radiometrix Ltd
Control44
page 1

CONTROL44 Related Products

CONTROL44 CTR44-000-DIL CTR44-000-SO CTR44-000-SS CTR44H-000-DIL CTR44H-000-SO CTR44H-000-SS CTR44L-000-DIL CTR44L-000-SO CTR44L-000-SS
Description 4 bit Address - 4 bit Data encoder/decoder 4 bit Address - 4 bit Data encoder/decoder 4 bit Address - 4 bit Data encoder/decoder 4 bit Address - 4 bit Data encoder/decoder 4 bit Address - 4 bit Data encoder/decoder 4 bit Address - 4 bit Data encoder/decoder 4 bit Address - 4 bit Data encoder/decoder 4 bit Address - 4 bit Data encoder/decoder 4 bit Address - 4 bit Data encoder/decoder 4 bit Address - 4 bit Data encoder/decoder
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