Breakpoint control in an in-circuit emulation system
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United States of America Patent
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Jan 24, 2012
Grant Date -
N/A
app pub date -
Nov 1, 2001
filing date -
Oct 26, 2000
priority date (Note) -
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Abstract
A breakpoint control mechanism for an In-Circuit Emulation system. Break bits are assigned to each instruction address and stored in a lookup table within a base station containing a virtual microcontroller. As a program counter increments, a determination is made as to whether or not a break is to occur by reading the break bit from the lookup table. When a break is to occur, a breakpoint controller issues a break command over an interface to an actual microcontroller under test, thus freeing the microcontroller under test from having to include a look-up table on board for a breakpoint control or otherwise provide specifically for breakpoint control.
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