Patent
1994-10-26
1996-11-12
Lim, Krisna
395500, G06F 9455
Patent
active
055748520
ABSTRACT:
For use by an emulation circuit, a non-special-custom microcontroller multiplexes a port among user data and program store addresses. It has a multistate machine cycle with plural clock pulses per state. Various additionally provided emulation pins allow for outputting to an emulation circuit any or all of the following signals:
REFERENCES:
patent: 4145760 (1979-03-01), Ward et al.
patent: 4441154 (1984-04-01), McDonough et al.
patent: 4677548 (1987-06-01), Bradley
patent: 4677586 (1987-06-01), Mager et al.
patent: 4901259 (1990-02-01), Watkins
patent: 4939637 (1990-07-01), Pawloski
patent: 5053949 (1991-10-01), Allison et al.
Intel Microcontrollable Handbook, 1985, 9-29 through 9-39.
Bakker Jacobus M.
Hagedorn Dieter
Blocker Edward
Gathman Laurie
Lim Krisna
U.S. Philips Corporation
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