| ??? 03/08/06 03:58 Read: times |
#111576 - Using AT89C2051 UART |
Hi,
I have a problem in establishing communication between AT89C2051 microcontroller and PC. I am able to send data to PC, but the microcontroller is not receiving any dat from PC. What could be the problem. As Port3 is having internal pull ups, is it necessary to provide external pull-ups. (If so what is the resistor value.). i have tried with 10K pull-up also, but not working? The same code works fine with AT89C55WD microcontroller. Does the UART configuration remains same for both the controllers ? |
| Topic | Author | Date |
| Using AT89C2051 UART | 01/01/70 00:00 | |
| No pull up needed. | 01/01/70 00:00 | |
| buffer/driver | 01/01/70 00:00 | |
| Slower Baud Rate. | 01/01/70 00:00 | |
| what good would that do? | 01/01/70 00:00 | |
| True. | 01/01/70 00:00 | |
the fact is that with proper design (and | 01/01/70 00:00 | |
| Check this | 01/01/70 00:00 | |
| to Jon | 01/01/70 00:00 | |
| Yep | 01/01/70 00:00 |