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???
07/28/09 22:25
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 		 #167988 - my idea of what an ICE needs to do
Responding to: ???'s previous message
Grant Beattie said:
Regarding some of the earlier posts, my idea of what an ICE needs to do are:
- control execution (code breakpoints, single-step, etc)

Yes, the JTAG[1] can do that

- memory and register inspection, preferably with a watch window for the vars.

Yes, the JTAG can do that (in conjunction with a suitable debugger)

- OK to use a couple of CPU pins, but not internal peripherals. I need my serial interfaces.

The whole point of JTAG is that is does not consume processor resources - other than the pins.

Dunno exactly how many SiLabs need, but it's usually about 4 or 5 (Data In & Out, Clock, Reset)

Reduced pin-count (eg, single wire) interfaces are becoming increasingly common.



[1] Strictly, "On-chip debug hardware" - JTAG is just the connection to it.

List of 41 messages in thread
TopicAuthorDate
ICE for recent 40-pin DIP variants?            01/01/70 00:00      
   softICE?            01/01/70 00:00      
   I have a couple of Ceibos for the X2's            01/01/70 00:00      
   Acqura            01/01/70 00:00      
      Acqura/Philips/NXP App Note            01/01/70 00:00      
   Metaice?            01/01/70 00:00      
      Phyton            01/01/70 00:00      
         P89V51Rx2 emulator            01/01/70 00:00      
            Meta $            01/01/70 00:00      
               what do you expect?            01/01/70 00:00      
                  Phyton Origin            01/01/70 00:00      
                     Cost money to move to a different architecture too            01/01/70 00:00      
                     there's no ICE for AVRs            01/01/70 00:00      
                        An ICE isn't always needed            01/01/70 00:00      
                           Yon know what I mean            01/01/70 00:00      
                              Not just boundary scan            01/01/70 00:00      
                                 sure not            01/01/70 00:00      
                                    Real debugger...            01/01/70 00:00      
                                       Buy - or Hire? or Make?            01/01/70 00:00      
                                          Watch out for Erik            01/01/70 00:00      
                                             Kitchen table            01/01/70 00:00      
                                             not necessarily            01/01/70 00:00      
                                                Never underestimate a home-drilled programmer/debugger            01/01/70 00:00      
                        JATG ICE from ATMEL for AVR            01/01/70 00:00      
                        Phyton            01/01/70 00:00      
                           yes, sure. Thanks.            01/01/70 00:00      
                     SiLabs w/out analog            01/01/70 00:00      
                        My idea of ICE            01/01/70 00:00      
                           re: ICE            01/01/70 00:00      
                              S I Labs ICE            01/01/70 00:00      
                           learning curve            01/01/70 00:00      
                              learning curve            01/01/70 00:00      
                                 Luminary            01/01/70 00:00      
                           my idea of what an ICE needs to do            01/01/70 00:00      
   Crazy new (?) ICE            01/01/70 00:00      
      nice            01/01/70 00:00      
      any 'ICE' that uses pins/UART/... is not an ICE            01/01/70 00:00      
         any 'ICE' that uses pins/UART... is not an ICE            01/01/70 00:00      
   The low cost one            01/01/70 00:00      
      English link            01/01/70 00:00      
         looks promising            01/01/70 00:00      

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