| ??? 04/17/03 16:05 Read: times |
#43628 - RE: pullups - Erik, Responding to: ???'s previous message |
I would use a resistor of size such that you get the lowest value in ohms that just meet the specification of the 8051/8052 chip IIL when you take the processor pin to a low level
I would use twice that resistance to get the same current available for the line high and low. Erik |
| Topic | Author | Date |
| How to get data from mouse PS2 to MCS-51 | 01/01/70 00:00 | |
| RE: How to get data from mouse PS2 to MCS-51 | 01/01/70 00:00 | |
| RE: How to get data from mouse PS2 to MCS-51 | 01/01/70 00:00 | |
| PS2 to MCS-51 - Chris | 01/01/70 00:00 | |
| RE: PS2 to MCS-51 - Chris | 01/01/70 00:00 | |
| RE: PS2 to MCS-51 - Chris | 01/01/70 00:00 | |
| RE: PS2 to MCS-51 - Chris | 01/01/70 00:00 | |
| RE: pullups | 01/01/70 00:00 | |
| RE: pullups | 01/01/70 00:00 | |
| RE: pullups | 01/01/70 00:00 | |
| RE: pullups - Erik, | 01/01/70 00:00 | |
| RE: pullups - Erik, | 01/01/70 00:00 | |
RE: pullups - Erik, | 01/01/70 00:00 |