| ??? 02/23/05 13:36 Read: times Msg Score: +1 +1 Good Answer/Helpful |
#88210 - Hardware Responding to: ???'s previous message |
Lian Kok Tong said:
1 address for enable 8255 where 8255 is connect for DAC and ADC interfacing recalling almost 15 years memory, doesn't 8255 require 4 addresses (3 for ports and 1 for control word)? BTW: Why use 8255? Regardless whether 8255 is obsolete or not, you can map ADC and DAC into external RAM especially when you have already decoded for you RAM and LCD. |
| Topic | Author | Date |
| Request Opinion on simple board software | 01/01/70 00:00 | |
| Linker | 01/01/70 00:00 | |
| Hardware | 01/01/70 00:00 | |
| How to Map DAC ADC into external RAM? | 01/01/70 00:00 | |
| Due? | 01/01/70 00:00 | |
| Re: How to map ADC and DAC | 01/01/70 00:00 | |
| Yup, interface DAC or ADC to port1 | 01/01/70 00:00 | |
| Alternatively | 01/01/70 00:00 | |
| and | 01/01/70 00:00 | |
| My tools | 01/01/70 00:00 | |
| Tools | 01/01/70 00:00 | |
| My tools | 01/01/70 00:00 | |
| A better link to ASEM51 | 01/01/70 00:00 | |
once upon a time | 01/01/70 00:00 | |
| you requested an opinion | 01/01/70 00:00 |