Diacom, OBDII interface

[Jens Knickmeyer]

<thomas walter x5955> wrote:
> 
> Might be of interest, in the latest Motorola Databook, Analog/Interface
> IC's Device Data [Q4/95 DL128 REV5] is a datasheet for the MC33199
> 
> MC33199:  IS0 9141 Serial Link Driver.
> 
> The MC33199D 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 Diagonositic port.
> 
> The MC33199 has a unique feature which allows transmission baud rate
> up to a 200k baud.
> 
> Now do NOT get all excited, there is NO protocols listed! This is
> just an interface circuit for the automotive use. Just a general
> FYI for those who might be looking for an interface chip.

This brings up another question: Does someone know if VW uses an ISO9141
interface in their Digifant ECUs built for the US market? 

Thanks,

Jens