Configuration context switcher with a clocked storage element
First Claim
1. An integrated circuit (“
- IC”
) comprising;
a configurable circuit for configurably performing one of a plurality of operations based on configuration data;
a plurality of configuration storage circuits for storing a plurality of configuration data sets for the configurable circuit; and
an interconnect circuit for switchably connecting the configurable circuit to different sets of the configuration storage circuits to receive different configuration data sets, said interconnect circuit comprising (i) a set of clocked storage circuits and (ii) a set of unclocked storage circuits for temporarily storing the received configuration data sets.
2 Assignments
0 Petitions
Accused Products
Abstract
Some embodiments provide an IC with configuration context switchers. The IC includes several configurable circuits, each of which configurably performs one of several operations at any given time, based on the configuration data set that it receives at that time. The IC includes several storage circuits for storing several configuration data sets for each of the configurable circuits. The IC also includes a context switching interconnect circuit for switchably connecting the configurable circuit to different sets of storage circuits to receive different sets of configuration data sets. The context switcher includes one or more stages for re-timing the data coming from the configuration storage elements. The stages can include interconnect circuitry or storage circuitry. Some embodiments build one of the stages in the configuration data storage elements. Some embodiments encode the configuration data bits and hence utilize a decoder in the context switcher to decode the encoded configuration data.
-
Citations
23 Claims
-
1. An integrated circuit (“
- IC”
) comprising;a configurable circuit for configurably performing one of a plurality of operations based on configuration data; a plurality of configuration storage circuits for storing a plurality of configuration data sets for the configurable circuit; and an interconnect circuit for switchably connecting the configurable circuit to different sets of the configuration storage circuits to receive different configuration data sets, said interconnect circuit comprising (i) a set of clocked storage circuits and (ii) a set of unclocked storage circuits for temporarily storing the received configuration data sets. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
- IC”
-
20. An integrated circuit (“
- IC”
) comprising;a configurable circuit for configurably performing one of a plurality of operations based on configuration data; a plurality of configuration storage circuits for storing a plurality of configuration data sets for the configurable circuit; and an interconnect circuit for switchably connecting the configurable circuit to different sets of the configuration storage circuits to receive different configuration data sets, said interconnect circuit comprising a set of pulsed storage circuits for temporarily storing the different configuration data sets, wherein the set of pulsed storage circuits stores the received configuration data set when receiving a clock pulse that has a duration of less than half of a clock cycle. - View Dependent Claims (21, 22)
- IC”
-
23. An electronic device comprising:
-
an integrated circuit (“
IC”
) comprising;a configurable circuit for configurably performing one of a plurality of operations based on configuration data; a plurality of configuration storage circuits for storing a plurality of configuration data sets for the configurable circuit; and an interconnect circuit for switchably connecting the configurable circuit to different sets of the configuration storage circuits to receive different configuration data sets, said interconnect circuit comprising (i) a set of clocked storage circuits and (ii) a set of unclocked storage circuits for temporarily storing the different configuration data sets; and a memory device for providing the configuration data to the IC.
-
Specification