| ??? 08/19/06 20:18 Read: times |
#122638 - ??? Responding to: ???'s previous message |
if you want to have full duplex use two 485 ICs one for transmitting and another for receiving.
That is NOT RS485. RS485 is half duplex 2 wires. Some may go outside the spec and wire it as 4 wires. 2 chips are not needed. what would be the point of 2 anyway? |
| Topic | Author | Date |
| 485 connection with 8051 | 01/01/70 00:00 | |
| Why? | 01/01/70 00:00 | |
| yes and no | 01/01/70 00:00 | |
| What?? | 01/01/70 00:00 | |
| That's how one learns things. | 01/01/70 00:00 | |
| 485 connection with 8051 | 01/01/70 00:00 | |
| how to connect pin nos 2(RE) & 3(DE) | 01/01/70 00:00 | |
| I mean | 01/01/70 00:00 | |
| once again | 01/01/70 00:00 | |
| 485 connection with 8051 | 01/01/70 00:00 | |
| Hai | 01/01/70 00:00 | |
| 485 chip | 01/01/70 00:00 | |
| Delay | 01/01/70 00:00 | |
| totally imprecise not enough/too much | 01/01/70 00:00 | |
| Sure | 01/01/70 00:00 | |
which was made before yours! | 01/01/70 00:00 | |
| Sure | 01/01/70 00:00 | |
| ??? | 01/01/70 00:00 | |
| Have you considered reading the datasheets? | 01/01/70 00:00 | |
| have a look at SN75176B | 01/01/70 00:00 | |
| anyone would be foolish attempting 485 | 01/01/70 00:00 |