RS-485 / RS-232 Multiprotocol Transceiver Reference Design TIDA-00540 (ACTIVE)

Description & Features

Technical Documents

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Key Document

Description

This design (TIDA-00540) allows for communication over RS-485 or RS-232 data buses without requiring separate wiring for each.  Data lines are shared between two different transceiver types, and a single control signal is used to determine which protocol is to be used.

Features
  • Same interconnects can be used for both RS-485 and RS-232 communication
  • Easy control of active protocol
  • On-board TVS diodes for protection against overvoltage transients
  • Compact size and minimum number of components
  • This circuit is designed and tested, and its performance is documented in a test report.

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Schematic/Block Diagram

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Design Guide

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TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
SN65LBC180  Low-Power Differential Line Driver And Receiver Pair  Interface  Sample & Buy Not Available
TRS3223E  3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With +/-15-kV IEC ESD Protection  Interface  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
SN65LBC180 Download Download
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TRS3223E Download Download
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Step 2: Download the Symbol and Footprint from the CAD.bxl file table.


Technical Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (1)
Title Type Size (KB) Date
PDF 308 25 Jun 2015
Design files (2)
Title Type Size (KB) Date
PDF 105 30 Jun 2015
PDF 538 30 Jun 2015

Support & training

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