??? 10/08/05 07:53 Read: times |
#102123 - some explayning Responding to: ???'s previous message |
Donald Catto said:
If you were to explain why you are trying to do what you are trying to do then perhaps someone will come up with an alternative approach. We are PC software developer. And we are include some more functionality with our soft in the other vendor device by replace it IN80C31 with AT89C51ED2. But we don't wont that somebody know about that. And that purpose: if somebody extract external ROM chip W27C512 - as result devise will not working. It's will look like programm start from external ROM. |
Topic | Author | Date |
AT89C51ED2 and external EEPROM | 01/01/70 00:00 | |
If serial, try a write and a read, if pa | 01/01/70 00:00 | |
some comments | 01/01/70 00:00 | |
why "of course" most is serial | 01/01/70 00:00 | |
I don't need 128K programm memory | 01/01/70 00:00 | |
if it is not used, you can not detect it | 01/01/70 00:00 | |
I must to do it by software | 01/01/70 00:00 | |
You should have thought of that before y | 01/01/70 00:00 | |
Re: hardware required | 01/01/70 00:00 | |
leave harvard structure! | 01/01/70 00:00 | |
it depends | 01/01/70 00:00 | |
no meaning | 01/01/70 00:00 | |
Software solution | 01/01/70 00:00 | |
Sure, but why? | 01/01/70 00:00 | |
Ask Sebastian | 01/01/70 00:00 | |
Please explain further | 01/01/70 00:00 | |
some explayning | 01/01/70 00:00 | |
Use other device | 01/01/70 00:00 | |
XDATA?![]() | 01/01/70 00:00 |