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33199 - Automotive ISO 9141 Serial Link Driver

General Description

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

Pin Number 1 2 3 4 5 Pin Name VCC REF-IN-L REF-IN-K LO RXD Definition 5V typical power supply pin.

typical supply current is less than 1.5mA Input reference for C2 comparator.

Key Features

  • Electrically Compatible with Specification “Diagnosis System ISO9141”.
  • Transmission speed up to 200kBaud.
  • Internal Voltage Reference Generator for Line Comparator Thresholds.
  • TXD, RXD and LO pins are 5V CMOS Compatible.
  • High Current Capability of DIA pin (K line).
  • Short Circuit Protection for the K Line Input.
  • Over Temperature Shutdown with Hysteresis.
  • Large Operating Range of Driver Supply Voltage.
  • Large Operating.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com Freescale Semiconductor Technical Data Document Number: MC33199 Rev. 4.0, 10/2006 Automotive ISO 9141 Serial Link Driver The MC33199 is a serial interface circuit used in diagnostic applications. It is the interface between the microcontroller and the special K and L lines of the ISO diagnostic port. The MC33199 has been designed to meet the «Diagnosis System ISO9141» specification. The device has a bi-directional bus K line driver, fully protected against short circuits and over temperature. It also includes the L line receiver, used during the wake up sequence in the ISO transmission. The MC33199 has a unique feature which allow transmission Baud rate up to 200kBaud.