Read/modify/write registers

Details Read/modify/write registers Read/modify/write registers

2005-05-31

2005-05-31

Lane, Jack A. (Department: 2188)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S109000, C412S005000, C412S026000, C365S189011

Reexamination Certificate

active

06901490

ABSTRACT:
The present invention may provide a digital memory circuit comprising a plurality of multi-bit registers, a memory circuit interface, and a logic circuit. The memory circuit interface may be configured to access a selected one of the registers. The logic circuit may be coupled to the plurality of multi-bit registers and responsive to data received through the interface for selectively writing a predetermined logic state to at least one first bit of the selected register while leaving at least one second bit in the selected register with an unmodified state.

REFERENCES:
patent: 5408673 (1995-04-01), Childers et al.
patent: 5937178 (1999-08-01), Bluhm

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