| ??? 09/30/04 15:27 Read: times |
#78439 - RE: T89C51RD2 - RXD port Responding to: ???'s previous message |
This is only a guess, but check to see if the gate is open collector. It sounds like possibly your logic line is being pulled hi, but floating when it goes lo. You may need a pull down resistor.
Next, look into using a MAX232 or something similar to interface to your UART. |
| Topic | Author | Date |
| T89C51RD2 - RXD port | 01/01/70 00:00 | |
| RE: T89C51RD2 - RXD port | 01/01/70 00:00 | |
| RE: T89C51RD2 - RXD port | 01/01/70 00:00 | |
| RE: T89C51RD2 - RXD port | 01/01/70 00:00 | |
| RE: T89C51RD2 - RXD port | 01/01/70 00:00 | |
| RE: T89C51RD2 - RXD port | 01/01/70 00:00 | |
| RE: T89C51RD2 - RXD port | 01/01/70 00:00 | |
| RE: T89C51RD2 - RXD port | 01/01/70 00:00 | |
| RE: T89C51RD2 - RXD port | 01/01/70 00:00 | |
| RE: T89C51RD2 - RXD port | 01/01/70 00:00 | |
RE: T89C51RD2 - RXD port | 01/01/70 00:00 |