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High-speed CAN transceiver with VIO

MCP2562 Working Principle

Learn how MCP2562 works with an illustrated explanation and practical readings.

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MCP2562 at a glance

Follow the labeled connections and functional stages

MCP2562 working principle: illustrated functional stages, basic circuit and connections
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How it works

3 stages · Explore one step at a time

Step 1 / 3

Match the logic supply

Connect VIO to the controller’s I/O rail and VDD to a regulated 5 V rail. Bypass both close to the device.

Step 2 / 3

Transmit and monitor

TXD LOW requests dominant. The differential receiver reports the actual bus through RXD, including another node overriding recessive.

Step 3 / 3

Sleep and wake deliberately

STBY HIGH stops the driver and enables filtered bus wake-up monitoring. Return STBY LOW before normal data exchange.

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