| ??? 06/10/08 05:19 Read: times |
#155656 - I bet too.. Responding to: ???'s previous message |
So far I worked in traditional 64k mode and everything worked as expected.
I can Restart here, I also can jump to bootloader.. Yes, I already use a pin to reset a graphics LCD panel. Why would a normal reset (i e) power up start the system just fine, but the Reset caused by the Watchdog not? // Reset code EA=0; PSW=0; SP=4; TR2=0; TR1=0; TR0=0; CKCON &= 0x3f; // set Watchdogtimeout to 8msec @ 15MHz TA=0xAA; TA=0x55; EWT=1; // Enable Watchdog while(1); // let Watchdog enforce Reset // ((void (code *) (void)) 0x0000) (); this works in 64k mode nothing works in contiguous mode. I will use my scope.. maybe I find out what is on the address / data bus Werner |
| Topic | Author | Date |
| Soft-Reset and Watchdog DS80C390 problem | 01/01/70 00:00 | |
| I'll bet you dollars to doughnuts | 01/01/70 00:00 | |
| I bet too.. | 01/01/70 00:00 | |
| who set the SFRs to the default state? | 01/01/70 00:00 | |
| SFR to default state | 01/01/70 00:00 | |
| it does | 01/01/70 00:00 | |
| the reason I am puzzled | 01/01/70 00:00 | |
| if 'then' means .... | 01/01/70 00:00 | |
| Blinded | 01/01/70 00:00 | |
| Watchdog issue solved | 01/01/70 00:00 | |
Soft-Reset solved as well | 01/01/70 00:00 |