Clock-generator architecture for a programmable-logic-based...

Details Clock-generator architecture for a programmable-logic-based... Clock-generator architecture for a programmable-logic-based...

2007-10-31

2009-08-25

Luu, An T (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Converging with plural inputs and single output

C327S099000, C327S298000

Reexamination Certificate

active

07579895

ABSTRACT:
A programmable system-on-a-chip integrated circuit device comprises at least one of a crystal oscillator circuit, an RC oscillator circuit, and an external oscillator input. A clock conditioning circuit is selectively coupleable to one of the programmable logic block, the crystal oscillator circuit, the RC oscillator circuit, and the external oscillator input. A real-time clock is selectively coupleable to one of the programmable logic block, the crystal oscillator circuit, the RC oscillator circuit, and the external oscillator input. A programmable logic block is coupled to the clock conditioning circuit and the real-time clock.

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Copending U.S. Appl. No. 11/931,772, filed Oct. 31, 2007 entitled Programmable System on a Chip.
Copending U.S. Appl. No. 11/932,462, filed Oct. 31, 2007 entitled Programmable System on a Chip.
Copending U.S. Appl. No. 11/871,741, filed Oct. 12, 2007 entitled Clock Generator Architecture for a Progammable-Logic-Based System on a Chip.

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