??? 07/25/05 15:05 Read: times |
#98026 - did you not read Responding to: ???'s previous message |
the easiest way (i think) will be to memory map your 8255, that might be stress free.
did you not read the posts above that stated that MM 8255 fall at the wayside when using faster '51s. Erik |
Topic | Author | Date |
8255 interfacing problem | 01/01/70 00:00 | |
well.. | 01/01/70 00:00 | |
8255 interface problem | 01/01/70 00:00 | |
If you must use 8255 | 01/01/70 00:00 | |
My datasheet says..... | 01/01/70 00:00 | |
Settle Erik! | 01/01/70 00:00 | |
8255 problem | 01/01/70 00:00 | |
hardware | 01/01/70 00:00 | |
adding to Steve.. | 01/01/70 00:00 | |
Comment | 01/01/70 00:00 | |
Relic | 01/01/70 00:00 | |
that was not 8255 | 01/01/70 00:00 | |
Actually.... | 01/01/70 00:00 | |
ot: 825x in PC | 01/01/70 00:00 | |
Parallel port | 01/01/70 00:00 | |
NOoooooooooooooooooooo | 01/01/70 00:00 | |
Ooops | 01/01/70 00:00 | |
OK I give it up! :-) | 01/01/70 00:00 | |
Just like | 01/01/70 00:00 | |
8255 in original PC | 01/01/70 00:00 | |
If I did not keep up with the times and | 01/01/70 00:00 | |
Do your kids drive Segway? | 01/01/70 00:00 | |
the real problem is not that the 82xx is | 01/01/70 00:00 | |
Erik - A history lesson | 01/01/70 00:00 | |
ok, even further back | 01/01/70 00:00 | |
Picky, picky | 01/01/70 00:00 | |
are we getting there now? | 01/01/70 00:00 | |
Oh altight then :-)![]() | 01/01/70 00:00 | |
More info needed | 01/01/70 00:00 | |
Pull up resistors. | 01/01/70 00:00 | |
Pullups | 01/01/70 00:00 | |
no can do | 01/01/70 00:00 | |
Yes he can! | 01/01/70 00:00 | |
does not make it current | 01/01/70 00:00 | |
my opinion... | 01/01/70 00:00 | |
did you not read | 01/01/70 00:00 | |
Nope | 01/01/70 00:00 | |
8255 PROBLEM | 01/01/70 00:00 | |
10 Points | 01/01/70 00:00 |