This reference design implements EnDat 2.2 Master protocol stack and hardware interface based on HEIDENHAIN EnDat 2.2 standard for position or rotary encoders. The design is composed of EnDat 2.2 Master protocol stack, half-duplex communications using RS-485 transceivers and the line termination implemented on the Sitara AM437x industrial development kit. This design is fully tested to meet HEIDENHAIN EnDat 2.2 standard. Along with EnDat position feedback, AM437x IDK is able to support industrial communications and motor drive as described in the AM437x single-chip motor-control design guide.
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
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Reference design overview and verified performance test data
Detailed schematic diagram for design layout and components
Complete listing of design components, reference designators, and manufacturers/part numbers
Detailed overview of design layout for component placement
Files used for 3D models or 2D drawings of IC components
Design file that contains information on physical board layer of design PCB
PCB layer plot file used for generating PCB design layout
Includes TI products in the design and potential alternatives.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Design guide | EnDat 2.2 System Design Guide | Sep. 14, 2015 | |
| Technical article | Designing an EMC-compliant interface to motor position encoders – Part 6 | PDF | HTML | Nov. 20, 2015 |
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