| ??? 01/21/04 20:42 Read: times |
#63093 - RE: Problem using RS-485 (75176) with 89C55 Responding to: ???'s previous message |
there is a pin on 75176 , which must be set or reset depending on if you are receiving or transmitting data .
secondly my practice is 2 wire rs485 makes very much errors . you must use 4 wire t+,t- , r+,r- for better performance |
| Topic | Author | Date |
| Problem using RS-485 (75176) with 89C55 | 01/01/70 00:00 | |
| RE: Problem using RS-485 (75176) with 89C55 | 01/01/70 00:00 | |
| RE: Problem using RS-485 (75176) with 89C55 | 01/01/70 00:00 | |
| RE: Problem using RS-485 (75176) with 89C55 | 01/01/70 00:00 | |
| RE: Problem using RS-485 (75176) with 89C55 | 01/01/70 00:00 | |
| RE: Problem using RS-485 (75176) with 89C55 | 01/01/70 00:00 | |
| RE: mehmet | 01/01/70 00:00 | |
| RE: mehmet | 01/01/70 00:00 | |
RE: mehmet | 01/01/70 00:00 |