Boots – shoes – and leggings
Patent
1996-07-02
1998-05-19
Swann, Tod P.
Boots, shoes, and leggings
364DIG1, 3642434, 395418, 395450, 395471, 395473, 395445, G06F 1210, G06F 1300
Patent
active
057548161
ABSTRACT:
A data memory is described in which data words comprising access control bits and further bits are stored at each memory location 34. When a particular memory location is addressed, then the access control bits stored at that memory location are output to control logic 12, 46 that serves to generate a valid access signal. The valid access signal is fed back to the selected memory location and controls whether the further bits stored at that memory location are output. If access to those further bits is not permitted by the access control bits, then the further bits are not output and power is saved. The control logic is responsive to hardware and software flags in addition to the access control bits. The system is particularly suited for use in conjunction with a cache memory.
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Advanced Risc Machines Limited
Swann Tod P.
Thai Tuan V.
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