DE3685982T2 - Digitale datenverarbeitungsschaltung mit bitumkehrfunktion. - Google Patents
Digitale datenverarbeitungsschaltung mit bitumkehrfunktion.Info
- Publication number
- DE3685982T2 DE3685982T2 DE8686104525T DE3685982T DE3685982T2 DE 3685982 T2 DE3685982 T2 DE 3685982T2 DE 8686104525 T DE8686104525 T DE 8686104525T DE 3685982 T DE3685982 T DE 3685982T DE 3685982 T2 DE3685982 T2 DE 3685982T2
- Authority
- DE
- Germany
- Prior art keywords
- data processing
- processing circuit
- digital data
- reverse function
- bit reverse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/76—Arrangements for rearranging, permuting or selecting data according to predetermined rules, independently of the content of the data
- G06F7/768—Data position reversal, e.g. bit reversal, byte swapping
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
- G06F5/01—Methods or arrangements for data conversion without changing the order or content of the data handled for shifting, e.g. justifying, scaling, normalising
- G06F5/015—Methods or arrangements for data conversion without changing the order or content of the data handled for shifting, e.g. justifying, scaling, normalising having at least two separately controlled shifting levels, e.g. using shifting matrices
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7023085 | 1985-04-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3685982D1 DE3685982D1 (de) | 1992-08-20 |
DE3685982T2 true DE3685982T2 (de) | 1993-03-04 |
Family
ID=13425549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686104525T Expired - Fee Related DE3685982T2 (de) | 1985-04-03 | 1986-04-03 | Digitale datenverarbeitungsschaltung mit bitumkehrfunktion. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4984189A (de) |
EP (1) | EP0198341B1 (de) |
JP (1) | JPS6231472A (de) |
DE (1) | DE3685982T2 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0377604B1 (de) * | 1987-08-21 | 1995-12-20 | Commonwealth Scientific And Industrial Research Organisation | Transformationsverarbeitungsschaltung |
US4811369A (en) * | 1987-09-02 | 1989-03-07 | Raytheon Company | Bit reversing apparatus |
US5377248A (en) * | 1988-11-29 | 1994-12-27 | Brooks; David R. | Successive-approximation register |
GB2229832B (en) * | 1989-03-30 | 1993-04-07 | Intel Corp | Byte swap instruction for memory format conversion within a microprocessor |
JPH0337715A (ja) * | 1989-07-05 | 1991-02-19 | Fujitsu Ltd | ビット順反転回路 |
US5450604A (en) * | 1992-12-18 | 1995-09-12 | Xerox Corporation | Data rotation using parallel to serial units that receive data from memory units and rotation buffer that provides rotated data to memory units |
US5465222A (en) * | 1994-02-14 | 1995-11-07 | Tektronix, Inc. | Barrel shifter or multiply/divide IC structure |
US5652718A (en) * | 1995-05-26 | 1997-07-29 | National Semiconductor Corporation | Barrel shifter |
US5682340A (en) * | 1995-07-03 | 1997-10-28 | Motorola, Inc. | Low power consumption circuit and method of operation for implementing shifts and bit reversals |
US5745744A (en) * | 1995-10-12 | 1998-04-28 | International Business Machines Corporation | High speed mask generation using selection logic |
TW468269B (en) * | 1999-01-28 | 2001-12-11 | Semiconductor Energy Lab | Serial-to-parallel conversion circuit, and semiconductor display device employing the same |
US6895420B1 (en) * | 2000-02-16 | 2005-05-17 | Hewlett-Packard Development Company, L.P. | Apparatus and method for sharing data FET for a four-way multiplexer |
US6622242B1 (en) | 2000-04-07 | 2003-09-16 | Sun Microsystems, Inc. | System and method for performing generalized operations in connection with bits units of a data word |
KR100747069B1 (ko) * | 2002-04-19 | 2007-08-07 | 권형식 | 옥돌 찜질 목침 |
US7503046B2 (en) * | 2003-04-23 | 2009-03-10 | Micron Technology, Inc. | Method of obtaining interleave interval for two data values |
US7680124B2 (en) * | 2004-07-30 | 2010-03-16 | Agere Systems Inc. | Frame mapping scheduler for scheduling data blocks using a mapping table and a weight table |
CA2593441A1 (en) * | 2005-02-11 | 2006-08-17 | Universal Data Protection Corporation | Method and system for microprocessor data security |
WO2007028241A2 (en) * | 2005-09-07 | 2007-03-15 | Universal Data Protection Corporation | Method and system for data security of recording media |
FR2892877B1 (fr) * | 2005-10-28 | 2008-01-11 | Centre Nat Rech Scient | Routeur et reseau de routage |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3816729A (en) * | 1969-10-06 | 1974-06-11 | Raytheon Co | Real time fourier transformation apparatus |
US3673399A (en) * | 1970-05-28 | 1972-06-27 | Ibm | Fft processor with unique addressing |
US3721812A (en) * | 1971-03-29 | 1973-03-20 | Interstate Electronics Corp | Fast fourier transform computer and method for simultaneously processing two independent sets of data |
US3731284A (en) * | 1971-12-27 | 1973-05-01 | Bell Telephone Labor Inc | Method and apparatus for reordering data |
US3812467A (en) * | 1972-09-25 | 1974-05-21 | Goodyear Aerospace Corp | Permutation network |
US3875391A (en) * | 1973-11-02 | 1975-04-01 | Raytheon Co | Pipeline signal processor |
US3961750A (en) * | 1974-04-05 | 1976-06-08 | Signetics Corporation | Expandable parallel binary shifter/rotator |
FR2303326A1 (fr) * | 1975-03-05 | 1976-10-01 | Trt Telecom Radio Electr | Dispositif de calcul de transformee de fourier discrete |
US4168396A (en) * | 1977-10-31 | 1979-09-18 | Best Robert M | Microprocessor for executing enciphered programs |
US4278837A (en) * | 1977-10-31 | 1981-07-14 | Best Robert M | Crypto microprocessor for executing enciphered programs |
US4159528A (en) * | 1978-03-22 | 1979-06-26 | Rca Corporation | Parallel transfer analyzer for performing the chirp Z transform |
US4181976A (en) * | 1978-10-10 | 1980-01-01 | Raytheon Company | Bit reversing apparatus |
US4231102A (en) * | 1978-12-21 | 1980-10-28 | Raytheon Company | Cordic FFT processor |
US4465901A (en) * | 1979-06-04 | 1984-08-14 | Best Robert M | Crypto microprocessor that executes enciphered programs |
FR2461304A1 (fr) * | 1979-07-12 | 1981-01-30 | Ibm France | Appareil de calcul de transformee de fourier discrete bidimensionnelle |
JPS5652441A (en) * | 1979-10-05 | 1981-05-11 | Pioneer Electronic Corp | Programmable bit shift circuit |
US4298950A (en) * | 1979-10-12 | 1981-11-03 | Westinghouse Electric Corp. | Multipoint pipeline processor for computing the discrete fourier transform |
US4282581A (en) * | 1979-10-15 | 1981-08-04 | Sperry Corporation | Automatic overflow/imminent overflow detector |
JPS5750049A (en) * | 1980-09-09 | 1982-03-24 | Toshiba Corp | Shifting circuit |
DE3037359A1 (de) * | 1980-09-30 | 1982-04-29 | Heinrich-Hertz-Institut für Nachrichtentechnik Berlin GmbH, 1000 Berlin | Rechenwerkeinheit, insbesondere fuer gleitkomma-operationen |
US4396994A (en) * | 1980-12-31 | 1983-08-02 | Bell Telephone Laboratories, Incorporated | Data shifting and rotating apparatus |
US4534009A (en) * | 1982-05-10 | 1985-08-06 | The United States Of America As Represented By The Secretary Of The Navy | Pipelined FFT processor |
JPS59216245A (ja) * | 1983-05-25 | 1984-12-06 | Nec Corp | 正規化回路 |
JPS59218578A (ja) * | 1983-05-26 | 1984-12-08 | Toshiba Corp | Fftアドレス発生装置 |
US4583197A (en) * | 1983-06-30 | 1986-04-15 | International Business Machines Corporation | Multi-stage pass transistor shifter/rotator |
US4653019A (en) * | 1984-04-19 | 1987-03-24 | Concurrent Computer Corporation | High speed barrel shifter |
US4598170A (en) * | 1984-05-17 | 1986-07-01 | Motorola, Inc. | Secure microprocessor |
JPS6132139A (ja) * | 1984-07-24 | 1986-02-14 | Nec Corp | 双方向バレルシフト回路 |
US4636976A (en) * | 1984-09-28 | 1987-01-13 | Data General Corporation | Bit shifting apparatus |
-
1986
- 1986-04-03 US US06/847,415 patent/US4984189A/en not_active Expired - Lifetime
- 1986-04-03 JP JP61077659A patent/JPS6231472A/ja active Pending
- 1986-04-03 EP EP86104525A patent/EP0198341B1/de not_active Expired - Lifetime
- 1986-04-03 DE DE8686104525T patent/DE3685982T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3685982D1 (de) | 1992-08-20 |
JPS6231472A (ja) | 1987-02-10 |
EP0198341A2 (de) | 1986-10-22 |
EP0198341A3 (en) | 1988-04-13 |
EP0198341B1 (de) | 1992-07-15 |
US4984189A (en) | 1991-01-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |