Electrical computers and digital processing systems: memory – Storage accessing and control – Hierarchical memories
Patent
1996-04-01
1999-02-16
Swann, Tod R.
Electrical computers and digital processing systems: memory
Storage accessing and control
Hierarchical memories
395310, 711100, 711111, G06F 1338
Patent
active
058729402
ABSTRACT:
A system bus controller (103) within a processor (101) includes programmable logic for different modes of chip enable signals on a per-address-space basis. This allows for a "glueless" interface (107) between the processor (101) and different types of external devices (111, 112, 113), such as memory devices. A chip select register value 604, 608, 612 is preprogrammed with respect to each external device coupled to the processor (101). This preprogrammed register value 604, 608, 612 is used by the system bus controller (103) to uniquely configure a read/write access signal to be sent to each of the external devices (111, 112, 113).
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Circello Joseph C.
Gay James G.
Glover Clinton T.
Traynor Kevin M.
Motorola Inc.
Swann Tod R.
Tzeng Fred F.
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