| ??? 01/06/12 11:52 Read: times |
#185346 - Strange Problem in P89v51rd2bn |
Hi
Here is a strange problem in p89v51rd2bn the following code causes Port0 to 0xff MOV AUXR,#0x00 // Disable External RAM MOVX A,@DPTR // This Instruction writes 0xff to P0 Please share any solution regarding this problem Regards |
| Topic | Author | Date |
| Strange Problem in P89v51rd2bn | 01/01/70 00:00 | |
| what is in DPTR? | 01/01/70 00:00 | |
| DPTR = 0x0022 | 01/01/70 00:00 | |
| works OK here | 01/01/70 00:00 | |
BUG in Proteus Simulator | 01/01/70 00:00 | |
| what is OSPI ? | 01/01/70 00:00 | |
| incompetent document conversion? | 01/01/70 00:00 |