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 a