| ??? 10/03/05 12:12 Read: times |
#101843 - You can, but is is far simpler to use Responding to: ???'s previous message |
Well, I was wondering how is it possible for the 8051 to access the external sram and still use those lines as general IO pins.
You can, but is is far simpler to use MMIO (memory mapped I/O) do a search on this. Erik |
| Topic | Author | Date |
| need clarification on xram/io pins ports | 01/01/70 00:00 | |
| In principle yes | 01/01/70 00:00 | |
| SBC | 01/01/70 00:00 | |
| You can, but is is far simpler to use | 01/01/70 00:00 | |
| I2C ? | 01/01/70 00:00 | |
| Need more info | 01/01/70 00:00 | |
| SBC | 01/01/70 00:00 | |
| Size critical | 01/01/70 00:00 | |
| size | 01/01/70 00:00 | |
| then go for an 8 port device such as the | 01/01/70 00:00 | |
| Huge RAM, why ? | 01/01/70 00:00 | |
| why? | 01/01/70 00:00 | |
| project | 01/01/70 00:00 | |
| Buy a devboard, they cost about $10. | 01/01/70 00:00 | |
if you build it... | 01/01/70 00:00 | |
| Possible but uncomfortable | 01/01/70 00:00 |