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33897 - Single Wire CAN Transceiver

Description

of each pin can be found in the Functional Pin Description section, beginning on page 12.

Electrical Common Ground and Heat removal.

A good thermal path will also reduce the die temperature.

Features

  • Waveshaping for low Electromagnetic Interference (EMI).
  • Detects and automatically handles loss of ground.
  • Worst-case Sleep mode current of only 60 μA.
  • Current limit prevents damage due to bus shorts.
  • Built-in thermal shutdown on bus output.
  • Protected against vehicular electrical transients.
  • Under-voltage lockout prevents false data with low battery 33897 SINGLE-WIRE CAN.

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Full PDF Text Transcription

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Freescale Semiconductor Technical Data Document Number: MC33897 Rev. 18.0, 4/2012 Single Wire CAN Transceiver The 33897 series provides a physical layer for digital communication using a Carrier Sense Multiple Access/Collision Resolution (CSMA/CR) data link operating over a single wire medium. This is more commonly referred to as single-wire Controller Area Network (SWCAN). The 33897 series operates directly from a vehicle's 12 V battery system or a broad range of DC-power sources. It can operate at low or high (33.33 kbps or 83.33 kbps) data rates. A high-voltage wake-up feature allows the device to control the regulator used in support of the MCU and other logic. The device includes a control pin that can be used to put the module regulator into Sleep mode.
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