Processing unit having multiple synchronous bus for sharing acce

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395325, 395550, 364240, 364271, 36492793, 36492797, 36492798, 36492799, 364950, 3649503, 3649775, 364DIG2, G06F 1342, G06F 1338, G06F 1300

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053415086

ABSTRACT:
A processing unit tightly couples to a system bus and includes a local memory which is accessible from such bus. The processing unit includes a high performance microprocessor which tightly couples to the local memory through a high speed synchronous bus shared with a plurality of synchronous state machines. A microprocessor internal bus state machine and the plurality of state machines control local bus accesses for transferring commands generated by the microprocessor and commands transferred from the system bus under the control of an external state machine for execution by a local memory state machine and the processor state machine, respectively, which also couples to the system bus.

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