Design Files
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DSI Follower for Remote Sensing
- This page contains information on a product that is not recommended for new designs.
The NXP® MC33793 is designed to be used with a sensor or actuator at a location that is remote from a centralized MCU.
- Provides power, measurement, local logic I/O and communications between the remote sensor and the centralized MCU over a DSI bus
- Sensors can be powered from the regulated output of the device and the resulting analog value can be converted from an analog level to a digital value for transmission over the DSI bus in response to a query from the MCU
- Four I/O lines can be configured by the central MCU over the DSI bus
- Replaces MCU and supporting hardware in remote measurement and control applications, resulting in a significant cost reduction
Product Details
Features
General
- Four channel 8 bit A-to-D converter
- Four pins configurable as analog or logic inputs or as logic outputs
- Provides regulated +5.0 V output for sensor power from bus
- Additional high-drive logic output
- On-board clock (no external elements required)
- Field programmable address
- Default and field programmable as a DSI daisy chain device
- Recognizes reverse initialization for open bus fault tolerance
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Documentation
Quick reference to our documentation types.
5 documents
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Data Sheet
MC33793/A, Distributed System Interface (DSI) Sensor Interface - Data SheetFeatured
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Application Note
AN3670, Implementing a DSI Network Using the MC33781 and the MC33784
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Supporting Information
MC33790, DSI Bus Standard
