| ??? 08/11/09 15:19 Read: times |
#168318 - I vote for Richard's method Responding to: ???'s previous message |
a few of gates is all it takes. Look it up in any Digital Logic textbook. |
| Topic | Author | Date |
| Digitally switching RX input | 01/01/70 00:00 | |
| Multiplexing | 01/01/70 00:00 | |
| tristate | 01/01/70 00:00 | |
| Spare chips | 01/01/70 00:00 | |
| You can build a 2:1 mux | 01/01/70 00:00 | |
| I vote for Richard's method | 01/01/70 00:00 | |
| 6N138 can be strobed at Vb pin... | 01/01/70 00:00 | |
| Have you considered a chip with 2 UARTs? | 01/01/70 00:00 | |
two diodes and a resistor | 01/01/70 00:00 |