LICAL-TRC-MT001 Linx Technologies, Inc., LICAL-TRC-MT001 Datasheet

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LICAL-TRC-MT001

Manufacturer Part Number
LICAL-TRC-MT001
Description
Mt Series Transcoder Data Guide
Manufacturer
Linx Technologies, Inc.
Datasheet
DESCRIPTION
MT Series transcoders are designed for bi-
directional remote control applications.
Eight status lines can be set up in any
combination of inputs and outputs for the
transfer of button or contact states. An
automatic confirmation indicates that the
transmission was successfully received.
The large, twenty-four bit address size
makes
minimizing the possibility of conflict
between multiple devices. The MT also
outputs the ID of the originating transcoder
for logging or identification. Recognition of
the individual outputs can be easily
defined
manufacturer or end user. This allows the
creation of user groups and relationships.
A Serial Interface Engine (SIE) is provided,
which allows configuration and editing of
the device and control of the transcoder by
an external microprocessor or PC. Housed
in a tiny 20-pin SSOP package, MT Series parts feature low supply voltage, current
consumption, and selectable baud rates.
FEATURES
Bi-directional control
Automatic confirmation
Secure 2
8 status lines
Serial Interface Engine (SIE)
Latched and/or momentary outputs
Definable recognition authority
Transmitter ID output
Custom data transfer
Device targeting
Wide 2.0 to 5.5V operating voltage
Low supply current (370µA @ 3V)
True serial encoding
Selectable baud rates
No programming required
MT SERIES TRANSCODER DATA GUIDE
transmissions
WIRELESS MADE SIMPLE
for
24
possible addresses
each
device
highly
by
unique,
®
the
HIGH-PERFORMANCE
MT SERIES
PART #
LICAL-TRC-MT
MDEV-LICAL-MT
MT transcoders are shipped in reels of 1,600
ORDERING INFORMATION
TRANSCODER
Figure 1: Package Dimensions
APPLICATIONS INCLUDE
(0.32)
0.013
0.026
(0.65)
0.007
(0.18)
Keyless Entry
Door and Gate Openers
Security Systems
Remote Device Control
Car Alarms / Starters
Home / Industrial Automation
Remote Status Monitoring
Paging
DESCRIPTION
MT Transcoder
MT Master Development System
0.207 (5.25)
0.309
(7.85)
Revised 4/25/08
(7.20)
0.284
(0.75)
0.030

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LICAL-TRC-MT001 Summary of contents

Page 1

... Definable recognition authority Paging Transmitter ID output Custom data transfer ORDERING INFORMATION Device targeting PART # Wide 2.0 to 5.5V operating voltage LICAL-TRC-MT Low supply current (370µA @ 3V) MDEV-LICAL-MT True serial encoding MT transcoders are shipped in reels of 1,600 Selectable baud rates No programming required 0.309 (7.85) 0.207 (5.25) 0.284 (7.20) 0.030 (0 ...

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ELECTRICAL SPECIFICATIONS Parameter Designation Min. POWER SUPPLY Operating Voltage V 2.0 CC Supply Current 2.0V V – 3.0V V – 5.0V V – CC Power-Down Current: I PDN At 2.0V V – CC ...

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... PIN ASSIGNMENTS 1 LICAL-TRC-MT VCC CRT/LRN 5 ENC_SEL 6 SER_IO SEL_BAUD 7 CONFIRM MODE_IND 8 TR_PDN 9 TR_SEL 10 TR_DATA Figure 4: MT Series Transcoder Pin Assignments Pin Name Pin Number I — CC D0- 11-13, 17-19 I/O CRT/LRN 4 I Create / Learn Mode Activation Line ENC_SEL 5 I SER_IO 6 I/O CONFIRM 7 O Transmission Confirmation Line ...

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OVERVIEW Many products and applications call for the transfer of button presses or switch closures across a wireless link. Traditionally, a remote control link has operated in only one direction, from a transmitter to a receiver. The cost associated with ...

Page 5

TRANSCODER OPERATION When the transcoder powers on for the first time default set-up. When in this mode, the transcoder looks at the state of the ENC_SEL line on power- up. If the line is high, then ...

Page 6

CREATE MODE Create Mode allows the generation of a unique address to ensure the uniqueness of a transmission and prevent unintentional operation of devices. The MT Series transcoder allows for the creation of 16,777,216 (2 addresses. The assignment of the ...

Page 7

LATCH MODE The transcoder has two output options based on the state of the LATCH line. If the line is low, then all of the status line outputs will be momentary, meaning that they will only be high for as ...

Page 8

SERIAL OUTPUT Upon reception of every valid packet, the transcoder outputs a serial data stream containing information about the transmission. The information takes two forms depending on the User Access setting. If the User Access is set to open, then ...

Page 9

... VCC GND NC MAX4544 1 20 VCC GND CRT/LRN ENC_SEL LATCH 6 15 SER_IO SEL_BAUD 7 14 CONFIRM MODE_IND 8 13 TR_PDN TR_SEL TR_DATA D0 LICAL-TRC-MT Page 17 ...

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TRANSCODER MODE_IND DEFINITIONS The MODE_IND line is the primary means of indicating the state of the transcoder to the user. The table below gives the definitions of the MODE_IND signals. ON for as long as the transcoder is receiving data ...

Page 13

Config Mode Is the SER_IO Yes line high the Yes ENC_SEL line high? Randomize the No Start Erase timer CRT/LRN line Is the No CRT/LRN line high? Write the new address to memory Yes Did the Yes Timeout ...

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... TYPICAL APPLICATIONS The MT Series transcoder is ideal for replicating button presses for remote control applications. An example application circuit is shown below. VCC VCC 1 LICAL-TRC-MT VCC 2 D6 10k 2.2k 3 100k D7 4 CRT/LRN VCC 5 ENC_SEL VCC 100k 6 SER_IO SEL_BAUD To Processor CONFIRM MODE_IND 8 TR_PDN To Transceiver 9 TR_SEL ...

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... Under no circumstances shall any user be conveyed any license or right to the use or ownership of such items. © 2008 by Linx Technologies, Inc. The stylized Linx logo, Linx, “Wireless Made Simple”, CipherLinx, and the stylized CL logo are the trademarks of Linx Technologies, Inc. ...

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