| ??? 12/22/05 21:11 Read: times |
#105779 - lot of time not needed ! Responding to: ???'s previous message |
Russell Bull said:
Yes it is possible to scan all 128 addresses for finding slaves - it just takes a lot of time! Assuming 100kHz I2c speed you need a repead start and the slave address to see, if you receive a NACK (not present) or ACK (present), so checking all 128 addresses need only 13ms. Peter |
| Topic | Author | Date |
| Plug & play by I2C ,is it possibe? | 01/01/70 00:00 | |
| You have two problems? | 01/01/70 00:00 | |
| I know | 01/01/70 00:00 | |
| with a "master" with IIC hardware it sho | 01/01/70 00:00 | |
| lot of time not needed ! | 01/01/70 00:00 | |
| limited feasibility of I2C PnP | 01/01/70 00:00 | |
| the fact is | 01/01/70 00:00 | |
| Re: the facts is | 01/01/70 00:00 | |
| CAN | 01/01/70 00:00 | |
| unkowm state | 01/01/70 00:00 | |
| I must try | 01/01/70 00:00 | |
| Inappropriate Design Choice? | 01/01/70 00:00 | |
| Hot-swap I2C | 01/01/70 00:00 | |
| a fvew points | 01/01/70 00:00 | |
| ACCESS.bus is PnP I2C | 01/01/70 00:00 | |
just recalled | 01/01/70 00:00 |