| ??? 11/14/06 05:29 Read: times |
#127924 - Exactly! Responding to: ???'s previous message |
in this context External data memory is Primary Data Memory connected parallely to a 51 and can be accessed by MOVX (X stands for External) instructions. Anything else is a I/O device even if it is mapped into xdata space (memory mapped I/O).
Abhishek |
| Topic | Author | Date |
| simple question about memory | 01/01/70 00:00 | |
| Device types | 01/01/70 00:00 | |
| Be careful | 01/01/70 00:00 | |
| More careful | 01/01/70 00:00 | |
| Not exactly | 01/01/70 00:00 | |
| Exactly! | 01/01/70 00:00 | |
| Really? | 01/01/70 00:00 | |
| EPROMs, EEPROMs, etc. | 01/01/70 00:00 | |
| overly strict definition | 01/01/70 00:00 | |
| Read more carefully | 01/01/70 00:00 | |
| waitaminute! | 01/01/70 00:00 | |
| Bit slipping | 01/01/70 00:00 | |
| all experts | 01/01/70 00:00 | |
Meaningless title | 01/01/70 00:00 |



