发明名称 |
CLOCK GENERATION AND DISTRIBUTION IN AN EMULATION SYSTEM |
摘要 |
A method and apparatus for clock generation and distribution in an emulation system is described. The present invention provides a method and apparatus for generating a derived clock signal with a circuit having a look up table. A counter circuit counts clock cycles and provides an index into the look up table. A frequency divider circuit may be used between the counter circuit and a base clock signal to provide an intermediate clock signal with a frequency that is less than the frequency of the base clock signal. In one embodiment, a selection circuit is provided to select between the base clock signal and an external clock signal. |
申请公布号 |
WO0124008(A1) |
申请公布日期 |
2001.04.05 |
申请号 |
WO2000US03261 |
申请日期 |
2000.02.08 |
申请人 |
MENTOR GRAPHICS CORPORATION |
发明人 |
DOUEZY, FRANCOIS;REBLEWSKI, FREDERIC;BARBIER, JEAN |
分类号 |
G06F11/22;G06F1/04;G06F1/08;G06F1/10;H03K5/135 |
主分类号 |
G06F11/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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