摘要:
Some embodiments of the invention provide a configurable integrated circuit (IC). The IC includes an interconnect circuit having a first set of input terminals and a set of output terminals. The interconnect circuit has several connection schemes for connecting the first input set to the output set. The IC also has a second set of input terminals for carrying a set of input signals, where at least several of the second set of input terminals overlap at least a plurality of the first set of input terminals. The IC further has a set of vias, where each via connects an input terminal in the first set with an input terminal in the second set. The interconnect circuit receives a control signal and based on this control signal connects the first input terminal set to the output set by using a particular one of the connection schemes.
摘要:
Some embodiments of the invention provide a configurable integrated circuit (“IC”). This IC includes several configurable circuits for receiving configuration data and configurably performing a set of operations based on the configuration data. It also includes several hybrid circuits. Each particular hybrid circuit can interchangeably perform as either a logic circuit or an interconnect circuit in the configurable IC.
摘要:
Some embodiments provide a reconfigurable IC that includes at least two sections, each with several configurable circuits. Each configurable circuit configurably performs a set of operations. Each section stores multiple configuration data sets for each configurable circuit. Each configuration data set for a particular configurable circuit specifies the operation that the particular configurable circuit has to perform from the circuit's set of operations, where the configurable circuits of different sections iterate through different numbers of configuration data sets.
摘要:
Some embodiments provide a configurable integrated circuit (IC) that has several configurable circuits and several user design state (UDS) circuits. The UDS circuits store user-design state values. The configurable IC also includes a debug network communicatively coupled to the UDS circuits. The debug network is for retrieving the user-design state values of several UDS circuits at various stoppages of the operation of the IC without retrieving configuration data that is used to configure the configurable circuits of the IC. The retrieved user-design state values at each stoppage are used as the checkpointed state of the IC while debugging the IC. In some embodiments, the debug network allows the checkpointing of only certain portions of the configurable IC.
摘要:
Some embodiments of the invention provide a configurable integrated circuit (IC) that has several configurable circuits for configurably performing different operations. During the operation of the IC, each particular configurable circuit performs a particular operation that is specified by a particular configuration data set for the particular configurable circuit. While the IC operates and a first set of configurable circuits performs a first set of operations, configuration data is loaded from the outside of the IC for configuring a second set of configurable circuits. In some embodiments, the configurable IC includes a configuration network for rapid loading configuration data in the IC from outside of the IC. In some of these embodiments, the configuration network is a pipelined network. Also, the IC of some embodiments includes a configuration controller for retrieving configuration data from outside of the IC, formulating configuration data sets, and routing the configuration data sets to the second set of configurable circuits over the configuration network.
摘要:
Some embodiments of the invention provide a first configurable integrated circuit (IC) that has a first configurable IC design. The first configurable IC implements a second IC design that is specified for a second IC that is to operate a particular design rate. The first configurable IC includes several configurable logic circuits. Each configurable logic circuit can configurably perform a set of functions. The IC also includes several configurable interconnect circuits that configurably couple the logic circuits. At least several configurable circuits can reconfigure faster than the particular design rate.
摘要:
Some embodiments provide a configurable IC that includes several configurable logic circuits for configurably performing computations. The configurable IC also includes several configurable routing circuits for configurably routing signals to and from the logic circuits. In some embodiments, at least a set of the routing circuits are routing/storage circuits. Each routing/storage circuit has an output and a storage section at the output for controllably storing a signal that the routing/storage circuit produces at the output.
摘要:
Some embodiments provide a configurable integrated circuit (“IC”) that includes several configurable tiles arranged in a tile arrangement. Each configurable tile has a set of configurable logic circuits and a set of configurable routing circuits for routing signals between configurable logic circuits. At least a first routing circuit of a first tile has at least one direct connection with a second circuit of a second tile that does not neighbor the first tile and that is not aligned horizontally or vertically with the first tile in the tile arrangement.
摘要:
Some embodiments provide a configurable IC that includes several configurable logic circuits for configurably performing computations. The configurable IC also includes several configurable routing circuits for configurable routing signals to and from the logic circuits. In some embodiments, at least a set of the routing circuits are routing/storage circuits. Each routing/storage circuit has an output and a storage section at the output for controllably storing a signal that the routing/storage circuit produces at the output.
摘要:
Some embodiments of the invention provide a configurable integrated circuit (IC). The IC includes a logic circuit for receiving input data sets and configuration data sets and performing several functions on the input data sets. Each configuration data set specifies a particular function that the logic circuit has to perform on the input data set. The IC also includes a connection circuit for supplying sets of the configuration data to the logic circuit at a particular rate for at least a particular time period. At least two supplied configuration data sets are different and configure the logic circuit to perform two different functions on the input data.