??? 05/05/05 15:52 Read: times |
#93012 - EA is tied to VCC Responding to: ???'s previous message |
Hi,
I have tied the EA pin to VCC. If I use any of my earlier lot 89C51RD2BN chips with the code in the flash, they work well in the same target board. However, I am not clearing the Status byte explicitly. Please let me know how to clear it. Thanks, Mohit |
Topic | Author | Date |
Problem using 89C51RD2BN | 01/01/70 00:00 | |
Some hints... | 01/01/70 00:00 | |
could be the famous open pin | 01/01/70 00:00 | |
EA is tied to VCC | 01/01/70 00:00 | |
are they H? | 01/01/70 00:00 | |
without 'H' | 01/01/70 00:00 | |
AN-461 | 01/01/70 00:00 | |
I am using a parallel programmer | 01/01/70 00:00 | |
can the chip go into ISP mode directly | 01/01/70 00:00 | |
clear and do not fiddle | 01/01/70 00:00 | |
Thanks, it worked![]() | 01/01/70 00:00 |