| ??? 02/04/05 14:06 Read: times |
#86541 - Check the datasheet Responding to: ???'s previous message |
Check the datasheet of AT89C2051, P1.0 and P1.1 have NO internal pullups. Thus no source current during "1".
Stanley |
| Topic | Author | Date |
| required AT89c2051 help on leds | 01/01/70 00:00 | |
| P1.0 and P1.1 input only | 01/01/70 00:00 | |
| Ignore earlier post | 01/01/70 00:00 | |
| trying to understand | 01/01/70 00:00 | |
| oh, by the way re posting code | 01/01/70 00:00 | |
| Check the datasheet | 01/01/70 00:00 | |
| to much | 01/01/70 00:00 | |
| Circuit Details of Led's | 01/01/70 00:00 | |
| to much for all | 01/01/70 00:00 | |
| 3rd way | 01/01/70 00:00 | |
Solution works | 01/01/70 00:00 | |
| ASCII schematic of Peter Herbst solution | 01/01/70 00:00 |