[sebhc] H8 optoisolators - aka: disk transfer program

Dwight K. Elvey dwight.elvey at amd.com
Fri Jun 18 19:19:26 CDT 2004

>From: "Steve Thatcher" <melamy at earthlink.net>

>specsmanship is certainly a problem. Different manfuacturers will spec the same 
>By the way, did Heath use 1488 and 1489 chips for the RS232 along with the 
>best regards, Steve

 They only used the optos on the H8-5 without any 1488/89's.
On the H8-4 they used a more traditional interface.

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