System and method for providing a write strobe signal to a receiving element before both an address and data signal
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United States of America Patent
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Jun 20, 2006
Grant Date -
Nov 7, 2002
app pub date -
May 6, 2002
filing date -
May 4, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus is provided for that includes an improved special function register (SFR) access scheme by using a clock tree distribution process. In accordance with an exemplary embodiment, a conditional SFR write strobe signal may be used to trigger the SFR registers. A clock tree distribution process may be used to achieve significantly higher system speed. When balancing the clock network of the system, the clock leaf of the flip-flop or other circuit element that generates the SFR write strobe signal may be 'advanced' by connecting the circuit element directly to the clock root. In addition, the SFR write strobe signal distribution may be balanced as a separate clock tree with minimum insertion delay.
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