Design Files
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Quad DSI 2.02 Leader, Differential Drive, Freq Spread
The NXP® MC33781 is a leader device for four differential DSI 2.02 buses that contains the logic to interface the buses to a standard 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 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 frequencies, reducing the energy in any single frequency
- Tools: Limited Evaluation boards available; contact sales
Product Details
Features
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Four independent differential DSI (DBUS) channels
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Dual SPI interface
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Enhanced bus fault performance
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Automatic message cyclical redundancy checking (CRC) generation and checking for each channel
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Enhanced register set with addressable buffer allows queuing of 4 independent follower commands at one time for each channel
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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
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Pseudo bus switch feature on channel 0
Buy/Parametrics
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4 documents
Compact List
Application Note (2)
Data Sheet (1)
Fact Sheet (1)
Design Resources
Engineering Services
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1 engineering service
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Independent Design House (IDH)
Hardware/Software Engineering Services
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