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???
04/19/04 20:17
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#68831 - JTAG
Responding to: ???'s previous message
erik malund said:
JTAG (something) but here it is a means of ISP using another standard.


JTAG = Joint Test Access Group. Strictly, this is the name of an industry body - but it is commonly used to refer to the test & debug interface defined by that body (and now adopted as IEEE standard 1149.1).
http://www.embedded.com/story/OEG20021028S0049

As Erik says, "JTAG" provides a means for In-System Programming (ISP), but also provides many more test & debug features.
With chips like Cygnal & Triscend, you get debug hardware built-in & controlled via the JTAG interface.

List of 19 messages in thread
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8051/2 Derivatives            01/01/70 00:00      
   RE: 8051/2 Derivatives            01/01/70 00:00      
   RE: 8051/2 Derivatives            01/01/70 00:00      
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         RE: 8051/2 Derivatives            01/01/70 00:00      
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               RE: 8051/2 Derivatives            01/01/70 00:00      
               RE: 8051/2 Derivatives            01/01/70 00:00      
                  RE: 8051/2 Derivatives            01/01/70 00:00      
                     RE: 8051/2 Derivatives            01/01/70 00:00      
            JTAG            01/01/70 00:00      
   RE: 8051/2 Derivatives            01/01/70 00:00      
      RE: 8051/2 Derivatives            01/01/70 00:00      
   RE: 8051/2 Derivatives            01/01/70 00:00      
      RE: 8051/2 Derivatives            01/01/70 00:00      
         RE: 8051/2 Derivatives            01/01/70 00:00      
            RE: 8051/2 Derivatives            01/01/70 00:00      
               RE: 8051/2 Derivatives            01/01/70 00:00      

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