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TIDEP0057

Multi-Protocol Digital Position Encoder Master Interface Reference Design With AM437x on PRU-ICSS

Design files

TIDEP0057

Design files

Overview

This is a reference design for industrial communication on Sitara™ processors with programmable real-time unit and industrial communication subsystem (PRU-ICSS). This design describes the integrated multi-protocol digital position encoder master interface support. The supported digital position encoder master protocols are EnDat 2.2, HIPERFACE DSL ® and BiSS C. The integrated multi-protocol encoder master has the benefit to work without additional field programmable gate array (FPGA), application-specific integrated circuit (ASIC) and programmable logic device (PLD) while supporting multiple encoder protocols to save cost and reduce board space. This reference design utilizes the single chip drive evaluation board (TMDSIDK437X ) and universal digital interface to absolute position encoders reference design (TIDA-00179).

Features
  • Multi-protocol digital position encoder master interface
  • Supports EnDat 2.2, HIPERFACE DSL and BiSS C digital position encoder interfaces
  • For integrated single chip drives, servo drives and remote position encoder master devices
  • Digital position encoder master interface is supported by the PRU-ICSS peripheral within the Sitara AM437x processor
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

download Design guide — TIDEP0057
TIDUB77.PDF (1357 K)

Reference design overview and verified performance test data

download Schematic — TIDEP0057
TIDRKN1.PDF (230 K)

Detailed schematic diagram for design layout and components

download Bill of materials (BOM) — TIDEP0057
TIDRKN2.PDF (79 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

download Assembly drawing — TIDEP0057
TIDRKN3.ZIP (54 K)

Detailed overview of design layout for component placement

download CAD/CAE symbol — TIDEP0057
TIDRKN6.ZIP (666 K)

Files used for 3D models or 2D drawings of IC components

download Gerber file — TIDEP0057
TIDCBV8.ZIP (473 K)

Design file that contains information on physical board layer of design PCB

download PCB layout — TIDEP0057
TIDRKN4.ZIP (217 K)

PCB layer plot file used for generating PCB design layout

download PCB layout — TIDEP0057
TIDRKN5.ZIP (3301 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Analog switches & muxes

SN74CBTLV3257 — 3.3-V, 2:1 (SPDT), 4-channel analog switch with partial-power-down mode

Data sheet: PDF | HTML
Analog switches & muxes

TMUX1574 — 5-V, 2:1 (SPDT), 4-channel analog switch with powered-off protection & 1.8-V input logic

Data sheet: PDF | HTML
Arm-based processors

AM4376 — Sitara processor: Arm Cortex-A9, PRU-ICSS

Data sheet: PDF | HTML
Direction-controlled voltage translators

SN74LVC8T245 — 8-Bit Dual-Supply Bus Transceiver with Configurable Voltage-Level Shifting and Three-State Outputs

Data sheet: PDF | HTML
RS-485 & RS-422 transceivers

SN65HVD78 — 3.3 V Half-Duplex RS-485, with IEC ESD, 50 Mbps

Data sheet: PDF | HTML

Start development

Software

Technical documentation

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Type Title Date
* Design guide Multi-Protocol Position Encoder Interface With AM437x on PRU-ICSS Design Guide Feb. 22, 2016
Technical article Rise of the industrial robots. Overcoming the challenges of safe robot-human-interaction in factory automation Nov. 08, 2016
White paper Making factories smarter, more productive through predictive maintenance Nov. 02, 2016
Technical article How to integrate position encoder master protocols into Sitara™ processor applications Aug. 25, 2016

Related design resources

Hardware development

EVALUATION BOARD
TMDSIDK437X — AM437x/AMIC120 Industrial Development Kit (IDK)

Reference designs

REFERENCE DESIGN
TIDA-00179 — Universal Digital Interface to Absolute Position Encoders Reference Design TIDEP0022 — ARM MPU with Integrated BiSS C Master Interface Reference Design TIDEP0035 — ARM MPU with Integrated HIPERFACE DSL Master Interface Reference Design TIDEP0050 — EnDat 2.2 System Reference Design

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