| ??? 06/14/05 20:19 Read: times |
#94958 - wd Responding to: ???'s previous message |
Bunch of pins... two is enough. The WD can be made to accept only this sequence to reset: both pins off-pin1on-pin1off-pin2on-pin2off. Quite unlikely to occur with runaway software, isn't it? Jan Waclawek |
| Topic | Author | Date |
| AT89C51RD2 without supervisor IC | 01/01/70 00:00 | |
| RC is never good | 01/01/70 00:00 | |
| watchdog ad absurdum | 01/01/70 00:00 | |
| and uses a bunch of pins | 01/01/70 00:00 | |
| wd | 01/01/70 00:00 | |
| paranoia revisited - wd 2 | 01/01/70 00:00 | |
| when the full story | 01/01/70 00:00 | |
| WD3 | 01/01/70 00:00 | |
| if code run astray | 01/01/70 00:00 | |
| Has been discussed before | 01/01/70 00:00 | |
| External ones are better | 01/01/70 00:00 | |
| External ones are better in one respect | 01/01/70 00:00 | |
| Yes, but... | 01/01/70 00:00 | |
| Nope, never use an external when | 01/01/70 00:00 | |
| Exactly! | 01/01/70 00:00 | |
| Combined Watchdogs | 01/01/70 00:00 | |
| External better in another respect | 01/01/70 00:00 | |
| I'm using the internal and works well | 01/01/70 00:00 | |
| works well - how do you know | 01/01/70 00:00 | |
| who should test it? | 01/01/70 00:00 | |
| nobody | 01/01/70 00:00 | |
| the manufacturer should | 01/01/70 00:00 | |
| Design Verification | 01/01/70 00:00 | |
one off | 01/01/70 00:00 | |
| The meaning of "well" | 01/01/70 00:00 |