Techniques for combining volatile and non-volatile programmable logic on integrated circuits.

摘要

Techniques for combining volatile and non-volatile programmable logic into one integrated circuit (IC) are provided. An IC is segregated into two portions. A first block of programmable logic is configured by bits stored in on-chip non-volatile memory. A second block of programmable logic is configured by bits stored in off chip memory. The function of 10 banks on the IC is multiplexed between the two logic blocks of the IC. The programmable logic in the first block can be configured and fully functional in a fraction of the time that the programmable logic in_the second block can be configured. The programmable logic in the first block can configure fast enough and have enough independence to assist in the configuration of the second block. The non-volatile memory can also provide security features to a user design, such as encryption.