You could always install a Megasquirt, and not have to worry about any of this. :D Sudhir On 9/15/07, tinker man <tinkerman007@gmail.com> wrote: > Hi all, > > This is kinda getting in-depth into embedded systems design, but does > anybody know if the firmware for our ECU's (Digifant or Digijet) > resides completely on the 2732 EPROM or is part of it contained also > INSIDE the microcontroller itself? > The reason I'm asking this is because I suspect I have a fried > microcontroller (Intel 8049H) but if it's a custom version with > protected firmware inside, replacing it won't solve the problem. My > CPU reads: > MAF 8049H P A167 > 078801 > DSD8905V5 U > WBX82HSCH > (C) INTEL 1977 > > That WBX82HSCH stuff seems to hint it's a custom version > (WBX=WaterBoxer) with protected firmware, with some of the firmware > also outside in the external EPROM. > Any guru's out there? > > Cheers, > TM > |
Please note - During the past 17 years of operation, several gigabytes of
Vanagon mail messages have been archived. Searching the entire collection
will take up to five minutes to complete. Please be patient!
Return to the archives @ gerry.vanagon.com
The vanagon mailing list archives are copyright (c) 1994-2011, and may not be reproduced without the express written permission of the list administrators. Posting messages to this mailing list grants a license to the mailing list administrators to reproduce the message in a compilation, either printed or electronic. All compilations will be not-for-profit, with any excess proceeds going to the Vanagon mailing list.
Any profits from list compilations go exclusively towards the management and operation of the Vanagon mailing list and vanagon mailing list web site.