Memory reallocation and sharing in electronic systems

Details Memory reallocation and sharing in electronic systems Memory reallocation and sharing in electronic systems

2006-05-16

2006-05-16

Padmanabhan, Mano (Department: 2188)

Electrical computers and digital processing systems: memory

Storage accessing and control

Shared memory area

C711S170000, C711S173000

Reexamination Certificate

active

07047368

ABSTRACT:
Memory reallocation and sharing among components of an electronic system is provided. The electronic system includes a first memory area coupled for access by a first processor via a first bus, and a second memory area coupled for access by a second processor via a second bus. An example system includes a central processor as the first processor and a digital signal processor as the second processor. The electronic system further includes memory configurations that support shared access of the second memory area by the first processor. Using shared access, the first processor can directly access the second memory via the first bus or indirectly access the second memory via the second bus and the second processor. The memory sharing also includes partitioning the shared memory to simultaneously provide the first processor with direct and indirect access to the shared memory.

REFERENCES:
patent: 6006309 (1999-12-01), Shelly et al.
patent: 6965974 (2005-11-01), Bays et al.
patent: 2003/0188075 (2003-10-01), Peleg et al.
patent: 2004/0158684 (2004-08-01), Ku

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