| ??? 05/25/06 09:54 Read: times |
#117077 - Minimum Pins Responding to: ???'s previous message |
Abid Ali Siddiqui said:
minimam pin of microcontroller at89c51,
The absolute minimum number of pins is 1 - but that will require some sort of external device to interface the keypad (unless it's a single-key keypad). eg, you could use the Dalla 1-WireTM interface... |
| Topic | Author | Date |
| what is the actual keypad ????? | 01/01/70 00:00 | |
| What is the actual Keypad??!! | 01/01/70 00:00 | |
| Minimum Pins | 01/01/70 00:00 | |
| one wire interface? | 01/01/70 00:00 | |
How many wires...? | 01/01/70 00:00 |