??? 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 |