Method for automatically designing a semiconductor integrated ci

Details Method for automatically designing a semiconductor integrated ci Method for automatically designing a semiconductor integrated ci

1996-12-24

2000-04-11

Teska, Kevin J.

G06F 1560

Patent

active

060496592

ABSTRACT:
Layout data about a core part of a predesigned microcontroller such as a CPU block obtained by custom layout design, and logical data about a peripheral part of the microcontroller are read out from a library of components. These layout and logical data are reused for the layout design of a new microcontroller. The peripheral part logical data is modified according to circuit information about the new microcontroller. Layout data about a peripheral part of the new microcontroller is generated by an automatic placement/wire routing tool from the modified logical data. The core part layout data is simply reused as is for a core part of the new microcontroller. Layout data about the entire new microcontroller is generated by a block-to-block automatic placement/wire routing tool from layout data about individual circuit blocks.

REFERENCES:
patent: 5231590 (1993-07-01), Kumar et al.
patent: 5586047 (1996-12-01), Imahashi
patent: 5592392 (1997-01-01), Matheson et al.

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