Method and system for emulating microcontrollers
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United States of America Patent
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Feb 6, 2001
Grant Date -
N/A
app pub date -
May 18, 1998
filing date -
May 30, 1997
priority date (Note) -
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Abstract
A method for emulating a non-bond-out version of a microcontroller that has a standard port, a microcontroller allowing such emulating, and a system for executing the emulation. For emulating a non-bond-out version of a microcontroller, a standard port is used to multiplex among user data and program store addresses. An external register is connected to the port for latching therein program store addresses. The microcontroller is synchronized according to a machine cycle that has a plurality of states, each of which comprises at least two clock pulses. The standard port is used for outputting mutually exclusive parts of a program store address in contiguous sections of a machine state of external parallel evaluation.
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