??? 11/27/06 12:36 Read: times |
#128535 - because pullup Responding to: ???'s previous message |
because there are pullups inside the µc.
so with a key against GND no other components needed. Peter |
Topic | Author | Date |
why do we use negative logic in processors&control | 01/01/70 00:00 | |
Speed | 01/01/70 00:00 | |
Some previous thoughts | 01/01/70 00:00 | |
Wire-AND-ing is the remaining benefit | 01/01/70 00:00 | |
Just imagine ... | 01/01/70 00:00 | |
ah well... | 01/01/70 00:00 | |
That would cause one to avoid their devices | 01/01/70 00:00 | |
because pullup | 01/01/70 00:00 | |
But why? | 01/01/70 00:00 | |
TTL outputs | 01/01/70 00:00 | |
Remarkable advantages when switching to GND | 01/01/70 00:00 | |
more current | 01/01/70 00:00 | |
Yes, but why? | 01/01/70 00:00 | |
Physics![]() | 01/01/70 00:00 |