WO2005125014A1 - プログラマブル半導体装置 - Google Patents
プログラマブル半導体装置 Download PDFInfo
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- WO2005125014A1 WO2005125014A1 PCT/JP2005/009544 JP2005009544W WO2005125014A1 WO 2005125014 A1 WO2005125014 A1 WO 2005125014A1 JP 2005009544 W JP2005009544 W JP 2005009544W WO 2005125014 A1 WO2005125014 A1 WO 2005125014A1
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- WIPO (PCT)
- Prior art keywords
- bidirectional repeater
- enable signal
- semiconductor device
- output
- signal
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
- H03K19/173—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components
- H03K19/177—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components arranged in matrix form
- H03K19/17748—Structural details of configuration resources
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
- H03K19/173—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components
- H03K19/177—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components arranged in matrix form
- H03K19/17736—Structural details of routing resources
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
- H03K19/173—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components
- H03K19/177—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components arranged in matrix form
- H03K19/1778—Structural details for adapting physical parameters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
- H03K19/173—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components
- H03K19/177—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components arranged in matrix form
- H03K19/1778—Structural details for adapting physical parameters
- H03K19/17792—Structural details for adapting physical parameters for operating speed
Definitions
- the present invention relates to a programmable semiconductor device capable of changing a function of an arithmetic element unit for performing a predetermined operation and a connection between the arithmetic element units, and more particularly to a programmable semiconductor device when the size of the arithmetic element unit is large.
- the present invention relates to a programmable semiconductor device for dynamically reconfiguring connections with a small number of elements and a small number of control lines.
- FPGAs field programmable gate arrays
- Patent Document 1 Japanese Patent Application Laid-Open No. 2000-201066 discloses a programmable logic device in which a bidirectional repeater is provided in an upper-level interconnect resource! (Refer to page 45 of Patent Document 1, FIG. 2).
- the bidirectional repeater unit 4 disposed between the intersections of the units 3 and the selector 8 for switching the connection between the processing element units (PE) 1 are provided.
- a bidirectional repeater The directional control information for controlling the unit 4 is held, and the selector 8 controls the bidirectional repeater unit 4 based on the directional control information to disconnect the interconnecting unit 3, drive in the forward direction, and Drive in the reverse direction.
- Patent Document 2 a bidirectional bus repeater control device that controls a bidirectional repeater by using a logical sum of a path driver control signal
- a bidirectional bus repeater control device (see FIG. 1 of Patent Document 2) that stops transmission of a bidirectional repeater control signal to a bidirectional repeater by adding an AND block (see FIG. 1 of Patent Document 2)
- a bidirectional bus repeater control device that controls a bidirectional repeater using an active dynamic buffer (see FIGS. 19 and 21 of Patent Document 2) is disclosed.
- the programmable logic device disclosed in Patent Document 1 requires a bidirectional repeater and a control circuit (memory element, control wiring) for the bidirectional repeater. Therefore, the circuit area is increased!]. Specifically, control wiring and memory elements are required in accordance with the circuit configuration pattern and the number of bidirectional repeaters.
- the bidirectional bus repeater control device disclosed in Patent Document 2 has a problem that a technique for applying the bidirectional bus repeater control device to a programmable semiconductor device is not disclosed. Therefore, it is considered difficult to apply this bidirectional bus repeater control device to a programmable semiconductor device.
- An object of the present invention is to provide a programmable semiconductor device capable of suppressing an increase in circuit area when a repeater is inserted into an interconnecting portion that interconnects arithmetic elements. It is in.
- a programmable semiconductor device includes an operation element means for executing a predetermined operation, an input / output connection means for inputting and / or outputting a signal in the operation element means, and a plurality of wiring lines.
- the bidirectional repeater means controls the bidirectional repeater drive means that can be driven in the forward or reverse direction, and turns the bidirectional repeater drive means off, forward drive, or reverse drive.
- the bidirectional repeater control means includes a bidirectional repeater switch control means for outputting a bidirectional repeater switch control signal for controlling the bidirectional repeater drive means to be turned on or off, and a bidirectional repeater switch control means.
- connection between the arithmetic element means can be realized only by the control of the bidirectional repeater means. This eliminates the need for a selector and reduces the number of elements and the number of control lines, as compared with the conventional case where a selector for switching the connection between the arithmetic element means and a repeater for driving the signal lines are individually applied. Therefore, the repeater function and the programmable function can be realized in a small area.
- an output enable signal from the arithmetic element means and a bidirectional repeat switch from the bidirectional repeat switch control means are provided.
- the direction control of the interconnection means that is, the direction control of the bidirectional repeater can be automated. This eliminates the need for direction control information for bidirectional repeater control as in the conventional case, thereby reducing the number of memory elements and control wires, thereby realizing the bidirectional repeater control function with a small area. You can do it.
- FIG. 1 is a block diagram showing the entire configuration of a conventional programmable semiconductor device disclosed in Patent Document 1.
- FIG. 2 is a block diagram showing an overall configuration of the programmable semiconductor device according to the first embodiment of the present invention.
- FIG. 3 is a block diagram showing a configuration of a bidirectional repeater unit 4 in the programmable semiconductor device according to the first embodiment of the present invention.
- FIG. 4 is a block diagram illustrating a configuration of a bidirectional repeater driving unit 11 in the programmable semiconductor device according to the first embodiment of the present invention.
- FIG. 5 is a block diagram illustrating a configuration of a bidirectional repeater control unit 12 in the programmable semiconductor device according to the first embodiment of the present invention.
- FIG. 6 is a block diagram showing another configuration of the bidirectional repeater control unit 12 in the programmable semiconductor device according to the first embodiment of the present invention.
- FIG. 7 is a block diagram showing a configuration of a basic unit of the programmable semiconductor device according to the first embodiment of the present invention.
- FIG. 8 is a timing chart illustrating an operation of a basic unit of the programmable semiconductor device according to the first embodiment of the present invention.
- FIG. 9 is a block diagram showing the entire configuration of the programmable semiconductor device according to the second embodiment of the present invention.
- FIG. 10 is a block diagram illustrating an overall configuration of a programmable semiconductor device according to a third embodiment of the present invention.
- FIG. 11 is a block diagram illustrating an overall configuration of a programmable semiconductor device according to a fourth embodiment of the present invention.
- FIG. 12 is a block diagram illustrating a configuration of an always-on bidirectional repeater unit 6 in the programmable semiconductor device according to the fourth embodiment of the present invention.
- FIG. 13 is a block diagram illustrating a configuration of an always-on bidirectional repeater control unit 13 in the programmable semiconductor device according to the fourth embodiment of the present invention.
- FIG. 14 is a block diagram showing a configuration for synchronizing the bidirectional repeater unit 4 or the always-on bidirectional repeater unit 6 in the programmable semiconductor device according to the first to fourth embodiments of the present invention.
- FIG. 15 is a circuit diagram showing a configuration of a bidirectional repeater direction control unit 33 in a basic unit of the programmable semiconductor device according to the first embodiment of the present invention.
- FIG. 16 shows a configuration of a basic array unit of a programmable semiconductor device according to a second embodiment of the present invention.
- FIG. 17 is a circuit diagram showing a configuration of a basic array unit of a programmable semiconductor device according to a third embodiment of the present invention.
- FIG. 18 is a circuit diagram showing a configuration of a basic unit of a programmable semiconductor device according to a fourth embodiment of the present invention.
- FIG. 19 is a circuit diagram showing a configuration of a cooperative dynamic buffer 45 in the programmable semiconductor device of Embodiment 4 of the present invention.
- FIG. 20 is a circuit diagram showing another configuration of the cooperative dynamic buffer 45 in the programmable semiconductor device of Embodiment 4 of the present invention.
- FIG. 21 is a waveform showing characteristics of a cooperative dynamic buffer 45 in the programmable semiconductor device of Example 4 of the present invention.
- FIG. 22 is a timing chart illustrating an operation of a basic unit of the programmable semiconductor device according to the fourth embodiment of the present invention.
- FIG. 23 is a circuit diagram showing a configuration of a basic array unit of a programmable semiconductor device according to Embodiment 5 of the present invention.
- FIG. 24 is a circuit diagram showing a configuration of a basic array unit of a programmable semiconductor device according to Example 6 of the present invention.
- FIG. 25 is a circuit diagram showing a configuration of a cooperative dynamic buffer 45 in a programmable semiconductor device according to Embodiment 6 of the present invention.
- FIG. 26 is a circuit diagram showing another configuration of the cooperative dynamic buffer 45 in the programmable semiconductor device according to the sixth embodiment of the present invention.
- FIG. 27 is a circuit diagram showing a configuration of an always-on bidirectional repeater direction control unit 34 in a programmable semiconductor device according to Embodiment 6 of the present invention.
- FIG. 2 is a block diagram showing the overall configuration of the programmable semiconductor device according to the first embodiment of the present invention.
- the programmable semiconductor device As shown in FIG. 2, the programmable semiconductor device according to the present embodiment A processing element part (PE) 1 for performing a predetermined operation according to the signal, an input / output connection part 2 serving as an input part and / or an output part of a signal in the processing element part (PE) 1, A plurality of wiring wires in the horizontal direction are connected between the interconnecting part 3 and the intersection of the interconnecting part 3 via the input / output connecting part 2, and the interconnecting part 3 And a bi-directional repeater unit 4 that cuts, forward-drives, or reverse-drives an interconnection connection unit 5 that is disposed at the intersection of the interconnection unit 3 and connects the interconnection unit 3 at the intersection. Consists of This programmable semiconductor device is configured to realize a communication network for a desired function by these components.
- the bidirectional repeater unit 4 turns off the bidirectional repeater drive unit (BR) 11 and the bidirectional repeater drive unit (BR) 11 that can be driven in the forward or reverse direction.
- a bidirectional repeater control unit (BRC) 12 for controlling to the directional drive or the reverse drive.
- the bidirectional repeater driving section (BR) 11 includes a three-state buffer pair 21.
- the bidirectional repeater control unit (BRC) 12 includes a memory element 31 that stores configuration information of the programmable semiconductor device.
- the bidirectional repeater control unit (BRC) 12 outputs a bidirectional repeater switch control signal for controlling the bidirectional repeater drive unit (BR) 11 to be on or off. Inputs the bi-directional repeater switch control signal from the repeater switch controller (BRSWC) 32 and the bi-directional repeater switch controller (BRSWC) 32, and inputs the output enable signal for the processing element (PE).
- a bidirectional repeater direction that outputs a bidirectional repeater control signal to the bidirectional repeater driver (BR) 11 to control the bidirectional repeater driver (BR) 11 to be off, forward drive, or reverse drive And a control unit (BRDC) 33.
- a part of the bidirectional repeater control unit (BRC) 12 includes a bidirectional repeater direction control unit (BRDC) 33 and a bidirectional repeater switch control unit (BRSWC) 32, and the remaining bidirectional repeater control unit (BRSWC) 32 (BRC) 12 force Bidirectional repeater direction control unit (BRDC) 33 It is also possible to adopt a configuration in which only the force is increased.
- the bidirectional repeater switch controller (BRSWC) 32 includes a memory element 31 as shown in FIG.
- the bidirectional repeater switch control unit (BRSWC) 32 is a general arbiter Circuit power
- the bidirectional repeater control unit (BRC) 12 is composed of a bidirectional repeater switch control unit (BRSWC) 32 and a bidirectional repeater direction control unit (BRDC) 33.
- BRC bidirectional repeater control unit
- BRC bidirectional repeater control unit
- BRC bidirectional repeater direction control unit
- a bidirectional repeater direction control unit (BRDC) 33 receives a bidirectional repeat switch control signal (TRN) output from a bidirectional repeat switch control unit (BRSWC) 32 as an input, , The output enable signal (enable) signal driver 35 of the processing element (PE) 1
- the output enable signal OEO and OE1 output from the input 35 are input to the bidirectional repeater driver (BR) 11 to control the bidirectional repeater 11.
- the bidirectional repeater control signal EN has two signal powers of the bidirectional repeater control signals ENR and ENL.
- the bidirectional repeater control signal EN is composed of two signals of the bidirectional repeater control signals ENU and END.
- FIG. Figure 8 shows the bidirectional repeat switch control signal TRN output from the bidirectional repeat switch control unit (BRSWC) 32, the output enable signals OEO and OE1 output from the processing element unit (PE) 1, and the bidirectional repeat switch control signal TRN.
- BRSWC bidirectional repeat switch control unit
- PE processing element unit
- TRN bidirectional repeat switch control signal
- FIG. 9 is a block diagram showing the overall configuration of the programmable semiconductor device according to the second embodiment of the present invention.
- the interconnection unit 3 is provided with one channel, and two sets of the input / output connection units 2 are provided so as to be connectable to the one-channel interconnection unit 3.
- two interconnecting sections 3 are provided, and three sets of input / output connecting sections 2 are provided to be connectable to the two-channel interconnecting section 3.
- the number of channels of the interconnecting section 3 and the number of sets of the input / output connecting sections 2 are provided as needed to realize the desired functions, and are not particularly limited. Desirable for a dani. Similarly, the number of bits represented by one channel of the interconnect 3 is not particularly limited.
- FIG. 10 is a block diagram showing the overall configuration of the programmable semiconductor device according to the third embodiment of the present invention.
- the interconnections 3 are provided in the vertical and horizontal directions.
- the interconnecting portion 3 has a configuration in which the interconnecting portion 3 is also added diagonally. Further, a configuration in which the interconnecting part 3 is added diagonally in another direction is also possible.
- FIG. 11 is a block diagram showing the overall configuration of the programmable semiconductor device according to the fourth embodiment of the present invention.
- the bidirectional repeater unit 4 is provided between the intersections of the interconnecting units 3.
- an always-on bidirectional repeater section 6, which is always on is added between the intersections of the interconnecting sections 3, in addition to the bidirectional repeater section 4, an always-on bidirectional repeater section 6, which is always on, is added.
- the configuration is as follows. The location and number of the always-on bidirectional repeater unit 6 are not particularly limited, but the smaller the number is, the smaller the area is. Good.
- the always-on bidirectional repeater unit 6 turns off the bidirectional repeater driver (BR) 11 and the bidirectional repeater driver (BR) 11, drives in the forward direction, or operates in the reverse direction. It is composed of an always-on bidirectional repeater control unit (BRC) 13 that controls driving.
- BRC always-on bidirectional repeater control unit
- the always-on bidirectional repeater control unit (BRC) 13 includes a memory element 31 as shown in FIG. 5, which stores configuration information of the present programmable semiconductor device. Alternatively, as shown in FIG. 13, the always-on bidirectional repeater control unit (BRC) 13 receives the output enable signal of the operation element unit (PE) and turns off the bidirectional repeater drive unit (BR) 11 And a always-on bidirectional repeater direction control unit (BRDC) 34 which outputs a bidirectional repeater control signal for controlling to forward drive or reverse drive to the bidirectional repeater drive unit (BR) 11.
- PE operation element unit
- BRDC always-on bidirectional repeater direction control unit
- the bidirectional repeater unit 4 receives a timing signal between the bidirectional repeater drive unit (BR) 11 and the bidirectional repeater control unit (BRC) 12 shown in FIG.
- the register section 14 is inserted. As described above, the register section 14 is inserted into the output section of the bidirectional repeater control section (BRC) 12, and the output of the bidirectional repeater control section (BRC) 12 is synchronized by the timing signal. As a result, the output of the output buffer (not shown) in the processing element section (PE) 1 and the output of the 3-state buffer pair 21 of the bidirectional repeater drive section (BR) 11 are short-circuited to the bus fight state. Can be avoided. Also, the signal output timing of the output buffer power of the processing element (PE) 1 can be made uniform.
- always-on bidirectional repeater unit 6 also has a connection between bidirectional repeater drive unit (BR) 11 and always-on bidirectional repeater control unit (BRC) 13 shown in FIG. Then, by inserting the register unit 14, synchronization can be realized.
- BR bidirectional repeater drive unit
- BRC always-on bidirectional repeater control unit
- FIG. 15 is a circuit diagram showing a configuration of a bidirectional repeater direction control unit (BRDC) 33 in a basic unit of the programmable semiconductor device according to the first embodiment of the present invention.
- BRDC bidirectional repeater direction control unit
- the bidirectional repeater direction control unit (BRDC) 33 includes an arithmetic element unit (PE) An OR gate that calculates the logical sum (OR) of the output enable signals OEO and OE1 from 1 and the enable signals ENO and EN1 from the portion corresponding to the intersection of the interconnect 3 and both the operation results And a logical product gate that calculates the logical product (AND) with the bidirectional repeater switch control signal TRN from the bidirectional repeater switch control unit (BRSWC) 32 and outputs the calculation result as the bidirectional repeater control signals ENRO and ENL0. Be prepared.
- PE arithmetic element unit
- An OR gate that calculates the logical sum (OR) of the output enable signals OEO and OE1 from 1 and the enable signals ENO and EN1 from the portion corresponding to the intersection of the interconnect 3 and both the operation results
- a logical product gate that calculates the logical product (AND) with the bidirectional repeater switch control signal TRN from the bidirectional repeater switch control unit (BRSWC) 32
- the bidirectional repeater switch control signal TRN 1
- FIG. 16 is a circuit diagram showing a configuration of a basic array unit of the programmable semiconductor device according to the second embodiment of the present invention.
- the branch part of the enable signal connection part 41 wired in parallel with the interconnection part 3 is realized by an OR gate. That is, when the interconnect 3 is branched at the interconnect coupler 5, the enable signal connector 41 is branched accordingly.
- the bidirectional repeater direction control unit (BRDC) 33 calculates the logical sum of the output enable signal OE and the enable signal from the enable signal connection unit 41, and calculates the operation result and the bidirectional repeater switch.
- the result of calculating the logical product with the control signal TRN is the bidirectional repeater control signal ENR, ENL, ENU, END.
- FIG. 17 is a circuit diagram illustrating a configuration of a basic array unit of the programmable semiconductor device according to the third embodiment of the present invention.
- the bidirectional repeater unit 4 is arranged on the interconnecting unit 3 provided in the vertical direction.
- the always-on bidirectional repeater unit 6 is arranged in the vertically arranged interconnecting unit 3 instead of the bidirectional repeater unit 4. It is a configuration that is placed.
- the always-on bidirectional repeater unit 6 there is no input of the output enable signal OE from the processing element unit (PE) 1 and no input of the bidirectional repeater switch control signal TRN.
- the enable signal from the enable signal connection unit 41 can always be used as it is as the bidirectional repeater control signals ENU and END.
- the configuration of the added always bidirectional repeater unit 6 is the same as that described above. , The same control as described above can be performed.
- FIG. 18 is a circuit diagram showing a configuration of a basic unit of the programmable semiconductor device according to the fourth embodiment of the present invention.
- the bidirectional repeater direction control unit (BRDC) 33 includes an enable signal switch unit 42 connected to an enable signal connection unit 41 and an rice signal control unit 42 for controlling the enable signal switch unit 42.
- a enable signal propagation direction detector 44 detects the propagation direction of the enable signals ENO and EN1 and outputs the detection result as bidirectional repeater control signals ENRO and ENLO.
- enable signal switch section 42 is formed of an nMOS transistor.
- the enable signal switch control unit 43 includes a logical product gate for calculating the logical product of the enable signals ENO and EN1 from the enable signal connection units 41 on both sides of the enable signal switch unit 42, and a bi-directional operation of the logical product gate.
- a NOR gate for calculating the NOR of the repeater switch control signal TRN and the inverted signal.
- the enable signal propagation direction detection unit 44 receives the enable signals ENO and EN1 from the enable signal connection unit 41 on both sides of the enable signal switch unit 42, respectively, and inverts the bidirectional repeater switch control signal TRN. It is composed of two NOR gates whose output is fed back as an input of another NOR gate.
- the operation result of the NOR operation by each of the two NOR gates is represented by a bidirectional repeater control signal ENRO, This is a NOR latch circuit that outputs as ENL0.
- the output enable signals OEO and OE 1 from the processing element (PE) 1 are driven by the cooperative dynamic buffer 45.
- the cooperative dynamic buffer 45 receives the timing signal ⁇ , the output enable signal OE from the processing element (PE) 1 and the output signal as inputs, and performs precharge or predischarge processing according to the timing signal ⁇ .
- buffer output is performed according to the output enable signal OE, and when the output enable signal OE is inactive, the buffer is output according to a change in the output signal.
- Output is performed, and for example, it can be realized by a circuit configuration as shown in FIG. 19 or FIG.
- the timing signal ⁇ input to the cooperative dynamic buffer 45 has a configuration determination period (for example, a period of 0) and a configuration change period (for example, a period of 1).
- a configuration determination period for example, a period of 0
- a configuration change period for example, a period of 1
- the output enable signal OE and the bidirectional repeater switch control signal TRN are switched, and when the timing signal ⁇ enters the configuration determination period, the bidirectional repeater control signal ENRO, The output of ENLO will be determined.
- FIG. Figure 22 shows the timing signal ⁇ , the bidirectional repeater switch control signal TRN from the bidirectional repeater switch control unit 32, the output enable signals OEO and OE1 from the processing element (PE) 1, and the enable signal connection unit.
- the relationship between the enable signals ENO and EN1 from 41 and the bidirectional repeater control signals ENR and ENL from the bidirectional repeater direction control unit (BRDC) 33 is shown.
- the timing signal ⁇ is set to 1 and the enable signals ENO and EN1 are set to 1. Then, the control signal input to the enable signal switch section 42 becomes 0, and the enable signal switch section 42 is turned off. At the same time, the bidirectional repeater control signals ENR and ENL output from the enable signal propagation direction detector 44 become 0, and the bidirectional repeater driver (BR) 11 is also turned off.
- the output enable signal OEO, OE1 and the bidirectional repeater switch control signal TRN are switched during the period when the timing signal ⁇ becomes 1.
- FIG. 23 is a circuit diagram illustrating a configuration of a basic array unit of the programmable semiconductor device according to the fifth embodiment of the present invention.
- the branching portion of the enable signal connecting portion 41 wired in parallel with the interconnecting portion 3 is configured by an OR gate.
- the configuration is such that the branch part of the enable signal connection part 41 is realized by connection.
- the output enable signal OE is driven by the cooperative dynamic buffer 45, and the cooperative dynamic buffer 45 is connected to the enable signal connection unit 41.
- the bidirectional repeater direction control unit (BRDC) 33 is connected to the enable signal connection unit 41 as in the fourth embodiment.
- FIG. 24 is a circuit diagram illustrating a configuration of a basic array unit of the programmable semiconductor device according to the sixth embodiment of the present invention.
- the bidirectional repeater unit 4 is arranged in the interconnecting unit 3 provided in the vertical direction.
- the always-on bidirectional repeater unit 6 is arranged in the interconnection unit 3 provided in the vertical direction instead of the bidirectional repeater unit 4.
- the cooperative dynamic buffer 45 can be realized with a circuit configuration as shown in FIG. 25 or 26, for example.
- always-on bidirectional repeater direction control unit (BRDC) 34 can be realized by a circuit configuration as shown in FIG. 27, for example.
- enable signal switch section 42 is formed of an nMOS transistor.
- the enable signal switch control unit 43 includes a NAND gate for calculating the NAND of the enable signals ENO and EN1 from the enable signal connection units 41 on both sides of the enable signal switch unit 42.
- the enable signal propagation direction detection unit 44 receives the enable signals ENO and EN1 from the enable signal connection unit 41 on both sides of the enable signal switch unit 42 as inputs, and outputs each other to the input of another NOR gate.
- the NOR latch circuit is composed of two NOR gates which feed back and outputs the result of the NOR operation of each of the two NOR gates as bidirectional repeater control signals ENU and END.
- the additional configuration of the continuous bidirectional repeater unit 6 is the same as that described above. And the same control as described above can be performed.
- DRP dynamic 'reconfigurable' processor
- the DRP has the power of a processing element (arithmetic element unit) and a programmable wiring with several bits as a basic unit, and realizes the functions required by the user by dynamically changing the configuration of the arithmetic element unit and the communication network.
- DR For P it is essential to insert a repeater in units of arithmetic element units where the scale of the arithmetic element unit is large, and it is important to optimize the communication network on the premise of repeater insertion.
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Abstract
Description
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Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/628,532 US7446562B2 (en) | 2004-06-15 | 2005-05-25 | Programmable semiconductor device |
| JP2006514676A JP4596179B2 (ja) | 2004-06-15 | 2005-05-25 | プログラマブル半導体装置 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-176977 | 2004-06-15 | ||
| JP2004176977 | 2004-06-15 |
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| Publication Number | Publication Date |
|---|---|
| WO2005125014A1 true WO2005125014A1 (ja) | 2005-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/JP2005/009544 Ceased WO2005125014A1 (ja) | 2004-06-15 | 2005-05-25 | プログラマブル半導体装置 |
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| Country | Link |
|---|---|
| US (1) | US7446562B2 (ja) |
| JP (1) | JP4596179B2 (ja) |
| WO (1) | WO2005125014A1 (ja) |
Cited By (1)
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| JP2008147747A (ja) * | 2006-12-06 | 2008-06-26 | Matsushita Electric Ind Co Ltd | 電子装置およびそれを備えた通信装置ほか |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8018248B2 (en) * | 2006-09-21 | 2011-09-13 | Quicklogic Corporation | Adjustable interface buffer circuit between a programmable logic device and a dedicated device |
| JP5119902B2 (ja) * | 2007-12-19 | 2013-01-16 | 富士通セミコンダクター株式会社 | 動的再構成支援プログラム、動的再構成支援方法、動的再構成回路、動的再構成支援装置および動的再構成システム |
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| US6246259B1 (en) * | 1998-02-23 | 2001-06-12 | Xilinx, Inc. | High-speed programmable logic architecture having active CMOS device drivers |
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| US6130550A (en) * | 1993-01-08 | 2000-10-10 | Dynalogic | Scaleable padframe interface circuit for FPGA yielding improved routability and faster chip layout |
| US6215326B1 (en) | 1998-11-18 | 2001-04-10 | Altera Corporation | Programmable logic device architecture with super-regions having logic regions and a memory region |
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| US6507216B1 (en) | 1998-11-18 | 2003-01-14 | Altera Corporation | Efficient arrangement of interconnection resources on programmable logic devices |
| JP3284995B2 (ja) | 1999-01-14 | 2002-05-27 | 日本電気株式会社 | 双方向バスリピータ制御装置 |
| US6552410B1 (en) | 1999-08-31 | 2003-04-22 | Quicklogic Corporation | Programmable antifuse interfacing a programmable logic and a dedicated device |
| US6438737B1 (en) | 2000-02-15 | 2002-08-20 | Intel Corporation | Reconfigurable logic for a computer |
| GB0122479D0 (en) | 2001-09-18 | 2001-11-07 | Anadigm Ltd | Method and apparatus for loading data into a plurality of programmable devices |
| US6679825B2 (en) | 2002-02-05 | 2004-01-20 | Pedro J. Alicea | Pain eliminator |
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2005
- 2005-05-25 JP JP2006514676A patent/JP4596179B2/ja not_active Expired - Fee Related
- 2005-05-25 WO PCT/JP2005/009544 patent/WO2005125014A1/ja not_active Ceased
- 2005-05-25 US US11/628,532 patent/US7446562B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH04192543A (ja) * | 1990-11-27 | 1992-07-10 | Kawasaki Steel Corp | プログラマブル・ロジック・デバイス |
| US5656950A (en) * | 1995-10-26 | 1997-08-12 | Xilinx, Inc. | Interconnect lines including tri-directional buffer circuits |
| US6246259B1 (en) * | 1998-02-23 | 2001-06-12 | Xilinx, Inc. | High-speed programmable logic architecture having active CMOS device drivers |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008147747A (ja) * | 2006-12-06 | 2008-06-26 | Matsushita Electric Ind Co Ltd | 電子装置およびそれを備えた通信装置ほか |
Also Published As
| Publication number | Publication date |
|---|---|
| US7446562B2 (en) | 2008-11-04 |
| JP4596179B2 (ja) | 2010-12-08 |
| JPWO2005125014A1 (ja) | 2008-04-17 |
| US20070247188A1 (en) | 2007-10-25 |
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