Design Files
Receive the full breakdown. See the product footprint and more in the eCad file.
- No Longer Manufactured
- MC33780
Dual DBUS Leader, Differential Drive, Frequency Spread
- This page contains information on a product that is no longer manufactured (discontinued). Specifications and information herein are available for historical reference only.
The NXP® MC33780 is a leader device for two differential DBUS buses. It contains the logic to interface the buses to a standard serial peripheral interface (SPI) port and the analog circuitry to drive data and power over the bus as well as receive data from the remote follower devices.
- The differential mode of the MC33780 generates lower electromagnetic interference (EMI) in situations where data rates and wiring make this a problem
- Frequency spreading further reduces interference by spreading the energy across many channels, reducing the energy in any single channel
Product Details
Features
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Two Independent DBUS I/Os
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Common SPI Interface for All Operations
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Open-Drain Interrupt Output with Pull-up
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Maskable Interrupts for Send and Receive Data Status
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Automatic Message Cyclical Redundancy Checking (CRC)
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Generation and Checking
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Four-Stage Transmit and Receive Buffers
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8- to 16-Bit Messages with 0- to 8-Bit CRC
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Independent Frequency Spreading for Each Channel
Part numbers include: MCZ33780EG.
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Documentation
Quick reference to our documentation types.
4 documents
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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
