| ??? 03/15/06 18:21 Modified: 03/15/06 18:29 Read: times |
#112257 - a multiple-post Re to Erik Responding to: ???'s previous message |
> ... formatting ...
Sorry, I found out what you meant only now... end of pre tag missing... sorry... > ... speed penalty... Well, reading of '51 softcores, they usually mention speed and area penalty if the (JTAG) debugging facility is included. I don't know how it is valid for a dedicated chip, but I bet there might be some for the SiLabs, too. Of course, it might mean that it works up to 110MHz instead of 120MHz without it, so in fact it does not matter. You are right, we can erase that line... > ... wiki and #$%^.... OK call it a collectively-written FAQ (or at least collectively-writeable). The trouble is it is far away and cumbersome. If it would be here, a click away, I am 100% it will come alive. > ...negative OR... Well, this is something I was taught is called OR in negative logic. Negative OR is a NOR for me in positive logic. But, if you want to implement it, you will get a 74xx implementing AND (OK, if it should be out of the drawer, then two gates from a 74..00 :-))) > ...download update w/o disconnect... Sorry I misunderstood - update to the debugging facility (monitor, here) you meant, didn't you? Well, if the monitor is in (EP)ROM, there is no way to update is it? If it itself sits or can sit in a RAM, theoretically it is possible to update, but not feasible... Updating/downloading the application... I think most of the monitors do (in fact, some of them don't do anything else... :-( Jan Waclawek |
