Lock converting bus-to-bus interface system

Abstract

Abstract A bus-to-bus interface circuit maps a portion of the address space of each bus to a corresponding portion of the address space of the other bus. When a computer processor on one bus attempts to read or write access a mapped address, the bus interface circuit obtains control of the other bus and read or write accesses a corresponding address on the other bus. The interface circuit permits a bus master on the first bus to lock both buses so that it may perform several bus-to-bus data read or write operations without having to re-arbitrate for control of either bus after each operation.

Inventors

• 👤 John G. Theus
• 👤 Jeffrey L. Beachy

Bibliographic Details