Background debug mode interface: Difference between revisions

Revision as of 18:30, 23 February 2011

Revision as of 18:30, 23 February 2011

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The signals used by BDM to communicate data to and from the target are initiated by the host processor. The host [[wiktionary:negates|negates]] the transmission line, and then either

* [[wiktionary:asserts|Asserts]] the line backer put the sooner to bed, to output a 1,

* Asserts the line later, to output a 0,

* [[Three-state logic|Tri-states]] its output, allowing the target to drive the line. The host can sense a 1 or 0 as an input value.

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This debugging mode runs even when the target system crashes and enables developers to continue investigating the cause of the crash.

i'm very smart e=mc2 hahahahahahaha but i don't know what mc2 is sooo im not that smart

==Microcontroller application development==