Data processing device having a plurality of state-machine parts
First Claim
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1. A multi-function device adapted to be connected to a first bus, said multi-function device comprising:
- a plurality of function parts each of which provides a different function with respect to a signal input through the first bus; and
a plurality of state-machine parts connected to, and adapted to manage operations of, respective ones of the function parts, wherein each of said state-machine parts is operable independently of the other state-machine parts, such that the function parts managed by the respective state-machine parts can be operated simultaneously, and wherein each state-machine part detects whether an instruction provided on the first bus is provided for the respective function part to which it is connected.
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Abstract
In a data processing device connectable to a bus, a plurality of function parts can be operated at the same time so that data transfer between buses or within the device can be efficiently performed. Each of the function parts provides a different function with respect to a signal input through the bus. A plurality of state-machine parts are connected to the respective function units. Each of the state-machine parts is operable independently.
15 Citations
6 Claims
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1. A multi-function device adapted to be connected to a first bus, said multi-function device comprising:
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a plurality of function parts each of which provides a different function with respect to a signal input through the first bus; and
a plurality of state-machine parts connected to, and adapted to manage operations of, respective ones of the function parts, wherein each of said state-machine parts is operable independently of the other state-machine parts, such that the function parts managed by the respective state-machine parts can be operated simultaneously, and wherein each state-machine part detects whether an instruction provided on the first bus is provided for the respective function part to which it is connected. - View Dependent Claims (2)
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3. A bridge circuit for interconnecting a first bus to a plurality of others buses, comprising:
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a plurality of state machine parts, each state machine part being coupled to a corresponding function part through a corresponding one of the other buses, and managing the corresponding function part; and
a master block, wherein the master block sends a signal from one of the function parts to the first bus, wherein each of said state-machine parts is operable independently of the other state-machine parts, such that the function parts managed by the respective state-machine parts can be operated simultaneously, wherein each state-machine part detects whether an instruction provided on the first bus is provided for the respective function part to which it is connected. - View Dependent Claims (4, 5, 6)
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Specification