??? 07/15/06 20:03 Read: times |
#120296 - I doubt that it's 10 transistors ... Responding to: ???'s previous message |
Jan Waclawek said:
... cm'on, it's 10 transistors or so. Here, the (even if potentially small) added value clearly outweighs the related costs. Please show us how you'd build a watchdog timer with 10 transistors. I think it takes more than that just build one flipflop. A watchdog has to last long enough to allow you to do your entire task, no matter how time-critical, without allowing the WD to time out. If you have a 6ms straightlined block of code, it has to time out in >>6ms. If you have a 15ms block it has to time out in >that. What's really sick is that most WD's aren't readable, and they should be, since they would then suddenly become useful. RE |