Serial data hardware solution

CSH-HQ nacelp at jvlnet.com
Sat Oct 30 23:16:55 GMT 1999


Ooops, I fubar'd that one up, sorry
Grumpy
>
>
>>To read the ALDL you have to connetect to the ECM's Serial data line,
>>that is what you tie the Tx/Rx leads from the Max 232/233 to.
>>If someone has the Gcar wiring, or if on the FTP, might make better sense
>>Grumpy
>
>
>Think I may have been misunderstood, I have built up a MAX232 interface to
>use with the PC, but I'm now playing around with an Atmel AVR, I don't want
>to convert to RS232 levels, just 1 line (GM) to 2 lines (AVR) all at 5V. I
>will go to the address Ken posted to see if this is what I'm after.
>Thanks,
>
>Ross Myers
>




More information about the Gmecm mailing list