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US 8,819,325 B2Granted
Interface device and system including the same
AssigneeSamsung Electronics Co., Ltd.
InventorsJae-Geun Yun, Bub-Chul Jeong
Life of this patent
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Abstract
An interface device includes a request queue and a request queue manager. The request queue includes multiple elements configured to receive corresponding requests from at least one master device and to indicate whether the corresponding requests are included using corresponding occupying bits. The request queue manager is configured to manage the request queue at least based on the occupying bits.
Claims18
An interface device, comprising:
- a request queue comprising a plurality of elements configured to receive requests, including write requests and read requests, from at least one master device, respectively, and to indicate whether the requests are included in the elements using corresponding occupying bits;
- and
- a request queue manager configured to manage the request queue at least based on the occupying bits,
- wherein each of the requests included in the elements indicate a type of request as a write request or a read request.
1 more element
A system, comprising:
- a plurality of master devices configured to transmit a corresponding plurality of requests;
- a plurality of slave devices;
- an interconnect device configured to selectively connect the plurality of master devices and the plurality of slave devices with respect to each other,
- wherein the interconnect device comprises:
- an arbiter configured to generate an arbitration signal based on the requests from the master devices;
- and
- a routing unit configured to select one of the requests in response to the arbitration signal;
- and
- a plurality of slave interface devices, each slave interface device being connected between one of the slave devices and the interconnect device and configured to process data transmitted between at least one of the master devices and the slave device,
- wherein each slave interface device comprises:
- a request queue comprising a plurality of elements configured to receive corresponding requests from at least one master device of the plurality of master devices and to represent whether the corresponding requests are included using corresponding occupying bits;
- and
- a request queue manager configured to manage the request queue at least based on the occupying bits,
- wherein the arbiter is configured to generate the arbitration signal according to a round robin schedule.
11 more elements
A slave interface device, comprising:
- a request queue connected to an interconnect for receiving requests from at least one master device through the interconnect, the request queue comprising a plurality of elements, each element being configured to include a request from the at least one master device, an occupying bit indicating whether the request is included, and a priority indicating a priority of the request;
- and
- a request queue manager configured to manage the request queue at least based on the occupying bits and the priority of each of the elements.
Dependencies are inferred from the claim text.