WO2001016712A1 - Appareil de traitement du signal numerique et procede pour la commande de cet appareil - Google Patents
Appareil de traitement du signal numerique et procede pour la commande de cet appareil Download PDFInfo
- Publication number
- WO2001016712A1 WO2001016712A1 PCT/JP2000/005900 JP0005900W WO0116712A1 WO 2001016712 A1 WO2001016712 A1 WO 2001016712A1 JP 0005900 W JP0005900 W JP 0005900W WO 0116712 A1 WO0116712 A1 WO 0116712A1
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- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 43
- 230000006870 function Effects 0.000 claims abstract description 20
- 238000004364 calculation method Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 101000968065 Phyllomedusa sauvagei Dermaseptin-S2 Proteins 0.000 description 4
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 3
- 230000005055 memory storage Effects 0.000 description 3
- 238000013500 data storage Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/22—Microcontrol or microprogram arrangements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/30003—Arrangements for executing specific machine instructions
- G06F9/30076—Arrangements for executing specific machine instructions to perform miscellaneous control operations, e.g. NOP
- G06F9/30079—Pipeline control instructions, e.g. multicycle NOP
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/30003—Arrangements for executing specific machine instructions
- G06F9/30007—Arrangements for executing specific machine instructions to perform operations on data operands
- G06F9/3001—Arithmetic instructions
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/30003—Arrangements for executing specific machine instructions
- G06F9/30072—Arrangements for executing specific machine instructions to perform conditional operations, e.g. using predicates or guards
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
- G06F9/3824—Operand accessing
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/34—Director, elements to supervisory
- G05B2219/34047—Dsp digital signal processor
Definitions
- the present invention relates to a digital signal processing device capable of high-speed arithmetic processing in system control and a control method thereof.
- Some of these DSs are specialized in a certain application and their arithmetic processing is hardware-based, but most of them are configured to be controlled by a program. Performing the processing in accordance with the program is similar to a microprocessor, but is characterized by faster and more sophisticated arithmetic processing.
- Figure 5 shows the internal structure of a conventional DS II.
- the program counter 2 can set an arbitrary value from the external bus 1 and generates a read address of the program memory 3 when the DS # process is started.
- program counter 2 When the jump instruction is detected, the jump destination address is set to program counter 2; otherwise, the address is incremented by +1 in synchronization with the system clock.
- the program memory 3 receives the program from the external bus 1 and outputs the address program word output by the program counter 2.
- the instruction decoder 4 interprets the program word from the program memory 3 in accordance with the DSP processing activation, and controls signals 9 for controlling the internal components, a data memory storage address for the delay unit 8, and an arithmetic unit. Generates a data memory read address for reading data X and Y input to 6 from data memory 5.
- control signal 9 is a signal for controlling the arithmetic unit 6, the memory 5, and the delay unit 8 inside the DSP.
- the delay unit 8 temporarily stores the data memory storage address generated by the instruction decoder 4 and transfers it to the memory 5 after waiting for a predetermined time (this predetermined time is defined by the instruction specified by the instruction). This corresponds to a delay time until the arithmetic unit 6 outputs the operation result data in the arithmetic processing.
- the data memory 5 is configured to be capable of storing data from the external bus 1-a function of outputting data to the arithmetic unit 6 in accordance with the data read address of the data bus, and a delay unit. It has a function to store the data output by the arithmetic unit 6 in accordance with the data storage address from the memory 6.
- the computing unit 6 has a computing function corresponding to a computing instruction of a program stored in the program memory 3.
- Fig. 6 shows an example of processing that requires processing time other than calculation in the servo control processing.
- the error amount 11 is the difference between the actual output of the controlled object and the expected output
- the manipulated variable 13 is information for operating the controlled object.
- the arithmetic processing is performed in processing A based on the error amount 11, and one of the arithmetic results and the value of the variable 1 (Z 1) is selected by the selection unit 12 to be processed B. Passed.
- the manipulated variable 13 calculated by the above method is used to drive the control target by, for example, reading out via the external bus 1 and inputting it to an output circuit such as a D / A converter.
- the external state signal 10 in FIG. 5 is a 1-bit signal.
- the output of processing A is selected in the selected part 12 of FIG. 6, and when the external state signal is 1, Z is selected in the selected part 12 of FIG. 1 shall be selected.
- FIG. 7 shows a part of a program flow when the processing mode example shown in FIG. 6 is processed by the DSP of FIG.
- the “Process A ⁇ 2 1 ⁇ 2 2 ⁇ 2 3 ⁇ 2 4 ⁇ 2 5 ⁇ 2 6 Process B” of the program flow in FIG. 7 is an opening of the “Process A selector 1 2 ⁇ Process B” in FIG.
- Each instruction is transferred from the program memory 3 to the instruction decoder 4.
- execution of the external input instruction 21 causes the external state signal 10 to be stored at address K of data memory 5.
- the value of the address K in the memory 5 and the comparison value in the operand of the comparison instruction 22 are transferred from the data memory 5 to the arithmetic unit 6. If the comparison processing is performed and the values match, the address value in which the data transfer instruction 26 is present is set in the program counter 2 by executing the conditional jump instruction 23, and then the data transfer is performed. Execution of transfer instruction 26 stores the processing A output value at address T in memory 5 overnight.
- the program count 2 is incremented by +1 and the value of the variable 1 (Z 1) is stored in the data memory by executing the data transfer instruction 24.
- the address value in which the processing B exists is set in the program counter 2 by executing the JUMP instruction 25, and control is transferred to the processing B.
- the arithmetic processing is performed based on the value stored at the address T in the data memory 5.
- the value of the external status signal 10 Therefore, the input to the process JlB is selected from the process A output ⁇ and the variable ⁇ 1.
- the maximum processing route of the selection unit 12 is “2 1 ⁇ 2 2 ⁇ 2 ⁇ 2 4 ⁇ 2 5”, and at the minimum 5 system clock [? ; j
- the selection process from two types of values is performed. If this is the selection process from ⁇ types of values, the instruction group 27 in FIG. ), which not only leads to an increase in the capacity of the program memory 3, but also increases the minimum processing time of the selection unit 12 by 5 X (-2) system clock time from the present. However, due to the effect of this processing load, there may be a case where the time allocated to the control processing that should be performed is insufficient.
- the present invention solves the above-mentioned conventional problems, and can reduce the circuit size, suppress the increase in power consumption and cost, and further increase the signal processing speed. Evening signal processing And iii.
- Di digital signal processor and control method thereof of the present investigation to solve the above-mentioned t 3 ⁇ 4 ⁇ is rather also means for processing the external state signal conditions-size Teide Isseki selection means ⁇ a relatively small i
- the school circuit and the condition judgment data selection instruction decoding function are added.
- the digital signal processing device includes a program memory for storing a program, a program counter for reading an instruction from the program memory, and a program memory.
- An instruction decoder for outputting a control signal and an address in accordance with the instruction read from the RAM memory, a delay for delaying an address output by the instruction decoder, and an address output by the instruction decoder
- a data memory that outputs data based on the address, stores the data based on the address output from the delay unit, and performs an operation based on the output data from the memory.
- An external signal processing means for processing an external signal; and an arithmetic unit for processing the external signal, and an arithmetic unit for transferring an arithmetic result to the memory. Therefore, a configuration is provided having means for selecting one of the output generated and the output of the arithmetic unit and storing it in the data memory.
- a control method of a digital signal processing device is a control method of a digital signal processing device according to claim 1, wherein the program is executed in accordance with an address generated by the program counter. Reading the external input instruction from the memory, decoding the external input instruction and issuing an operation control signal, and converting the data processed by the external signal processing means into data according to the operation control signal. In memory Storing the multiplying instruction from the program memory in accordance with the address generated by the program counter, decoding the multiplying instruction, and executing an arithmetic control signal In accordance with the control signal, multiplying the data memory variable 1 to be selected by the processing data, and storing the multiplication result in the data memory.
- Executing the multiplication command multiplying the data memory variable 2 to be selected by the machining data, and storing the multiplication result in the data memory; and Executing an addition instruction, and storing the result of the addition in the data memory as a result selected using the external signal as a determination condition.
- the digital signal processing device wherein the control is performed according to a program memory for storing a program, a program counter for reading an instruction from the program memory, and an instruction read from the program memory.
- An instruction decoder section for outputting a signal and an address, a delay section for delaying an address output from the instruction decoder section, and a decoder based on the address output from the instruction decoder section.
- Output memory for storing data based on the address output from the delay unit, and performing an operation based on the output data from the memory, and storing the operation result in the data memory.
- a digital signal processing device equipped with an arithmetic unit for transferring the data to an external device;
- a structure having a unit having a condition judging de Isseki selection command function to perform the chromatography data selection means.
- the amount of execution time of the control processing original processing instruction is increased by reducing the data selection processing time required for one cycle of the control processing.
- the circuit scale can be reduced, the power consumption can be increased and the cost can be suppressed, and the signal processing speed can be further increased.
- FIG. 1 is a block diagram showing a configuration of the digital signal processing device according to the first embodiment of the present invention.
- FIG. 2 is a program flow relating to data selection processing according to the first embodiment.
- FIG. 3 is a block diagram showing a configuration of a digital signal processing device according to Embodiment 2 of the present invention.
- FIG. 4 is a program diagram relating to the data selection process in the second embodiment.
- FIG. 5 is a block diagram showing the configuration of a conventional digital signal processing device.
- Fig. 6 shows an example of a processing mode that requires processing time in addition to computation in system control processing in the servo system.
- FIG. 7 shows a program flow relating to data selection processing in the conventional example.
- I ⁇ 11 is a block diagram showing the formation of the digital signal 'J processing unit ⁇ ' of water contamination mode 1.
- the functions of the external bus 1, the program counter 2, the program memory 3, the data memory 5, the MUX 7, the delay unit 8, and the control unit 9 are the same as those of the conventional DSP shown in FIG. The same is true.
- the instruction decoder 4 eliminates the function of interpreting the comparison instruction, the conditional jump instruction, and the jump instruction from the conventional decoding function. Therefore, the computing unit 6 also has the comparison computing function removed from the conventional computing function.
- the encoder 51 receives the external state signal 10, performs a predetermined signal addition, and transfers the signal to the MUX 7.
- the processing A output is selected in the selection unit 12 in FIG. 6. It is assumed that Z 1 is selected in the selection unit 12 of the.
- the encoder 51 outputs a 1-word 0 X 0 1 0 0 value.
- the encoder 5 1 outputs a 1-word 0 X 0 0 0 1 value. It has a function to output.
- 0 X is expressed in C language as a hexadecimal number
- 0 x 0 1 0 0 and 0 x 0 0 0 1 are 0 1 0 0 and 0 0 0, respectively, of the hexadecimal number. Represents 1.
- Fig. 2 shows the processing example shown in Fig. 6 processed by the DSP in Fig. 1. Shows a part of the program flow in the case of The “Process A ⁇ 3 1 ⁇ 3 2 ⁇ 3 3 ⁇ 3 4 Process B” of the program flow in FIG. 2 specifically illustrates the flow of “Process A selector 1 2 ⁇ Process B” in FIG.
- Each instruction is sent from the program memory 3 to the instruction decoder 4 fe. At present, it is assumed that process A output and variable 1 are stored in data memory 5, respectively.
- a signal (0 X 0 100 or O x 0 0 1) obtained by processing the external state signal 10 by the encoder 51 is used as data.
- the value of the address K in the memory 5 and the processing A output value are transferred from the memory 5 to the computing unit 6 (processing A output value).
- the multiplication by X (the higher byte of the value at the address K) is performed, and the result is stored in the data memory 5 at the address G1.
- the value of the address K and the value of the variable 1 (Z1) are transferred from the memory 5 to the computing unit 6, and Z1X (the address of the K
- the multiplication of the lower byte of the value is performed, and the result is stored in data memory 5 at address G2.
- the upper byte is, for example, when the value of address K is “0x0100”, “01” is an upper byte and “00” is a lower byte.
- the data at the address G1 + the result of the data at the address G2 is stored at the address ⁇ of the memory 5 at night.
- the result of the data at the address G1 + the data at the address G2 is (process A output value) X (0x0000).
- a output value) is stored.
- (variable Z 1) is stored in the opposite way. become. In other words, according to the value of the external state signal 10, the input to the process B is selected from the output value of the process A and the variable Z1.
- process B arithmetic processing is performed based on the value stored at address T.
- the processing path of the selection unit 12 is always “3 1 ⁇ 3 2 to 3 3 ⁇ 3 4”, which is 4 system clock times.
- selection processing from two types of values was performed, but even if this processing resulted in selection processing from N types of values, one external input instruction, N multiplication instructions, and It suffices to execute (N-1) addition instructions.
- N-1) 2 N system clock time.
- FIG. 3 is a block diagram showing the structure of the tree: processing equipment for the Digi-beta ⁇ of the second embodiment.
- the instruction decoder 4 removes the function of interpreting the comparison instruction, the conditional jump instruction, and the jump instruction from the conventional decoding function, and has the function of interpreting the data selection instruction 41 in FIG. It is added. Therefore, the computing unit 6 also has the comparison computing function removed from the conventional computing function. Since the conditional jump instruction and the jump instruction have been deleted, the conventional system for writing addresses from the instruction decoder 4 to the program counter 2 has been eliminated.
- the MUX 61 selects the X output of the data storage when the external status signal 10 is 0, and the external status signal 10 is output. If 1, select Y output of data memory.
- MUX 62 selects the output of MUX 61 when the instruction to be executed is a data selection instruction, and selects the output of operator 6 when the instruction to be executed is not a data selection instruction.
- Fig. 4 shows an example of the program flow for i-th case where the processing example shown in Cabinet 6 was processed by the DSP in Fig. 3.
- the “Processing A ⁇ 41 ⁇ Processing B” of the program flow in FIG. 4 embodies the flow of “Processing A ⁇ Selector 12 ⁇ Processing B” in FIG. 6. Transferred from program memory 3 to instruction decoder 4. At this time, it is assumed that the processing A output and the variable 1 are stored in the memory 5 each time.
- the processing A output value is output from the X port of the data memory 5, and the variable 1 (Z1) value is output from the Y port. Either value is selected according to the value of the external status signal 10, and the selected value is selected by the MUX 62 and stored in the address T of the data memory 5.
- process B an arithmetic process is performed based on the value stored at address T.
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- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Executing Machine-Instructions (AREA)
- Programmable Controllers (AREA)
- Complex Calculations (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/806,310 US6704853B1 (en) | 1999-08-31 | 2000-08-30 | Digital signal processing apparatus and method for controlling the same |
JP2001520599A JP3534737B2 (ja) | 1999-08-31 | 2000-08-30 | ディジタル信号処理装置およびその制御方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11/244158 | 1999-08-31 | ||
JP24415899 | 1999-08-31 |
Publications (1)
Publication Number | Publication Date |
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WO2001016712A1 true WO2001016712A1 (fr) | 2001-03-08 |
Family
ID=17114637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/005900 WO2001016712A1 (fr) | 1999-08-31 | 2000-08-30 | Appareil de traitement du signal numerique et procede pour la commande de cet appareil |
Country Status (7)
Country | Link |
---|---|
US (1) | US6704853B1 (ja) |
JP (1) | JP3534737B2 (ja) |
KR (1) | KR100396189B1 (ja) |
CN (1) | CN1229718C (ja) |
ID (1) | ID29154A (ja) |
TW (1) | TWI226015B (ja) |
WO (1) | WO2001016712A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI273425B (en) * | 2004-12-21 | 2007-02-11 | Hon Hai Prec Ind Co Ltd | An apparatus and method for encoding digital data of transferring on single digital signal circuit |
CN100377068C (zh) * | 2005-08-29 | 2008-03-26 | 硕颉科技股份有限公司 | 串行式存储器程序控制器 |
GB2480285A (en) * | 2010-05-11 | 2011-11-16 | Advanced Risc Mach Ltd | Conditional compare instruction which sets a condition code when it is not executed |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02224516A (ja) * | 1989-02-27 | 1990-09-06 | Nec Corp | 適応信号処理回路 |
JPH0336628A (ja) * | 1989-07-03 | 1991-02-18 | Oki Electric Ind Co Ltd | ディジタル信号処理プロセッサ及びその制御方法 |
JPH08137661A (ja) * | 1994-11-02 | 1996-05-31 | Hitachi Ltd | デジタル処理装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2215877A5 (ja) * | 1973-01-26 | 1974-08-23 | Thomson Csf | |
US3875391A (en) * | 1973-11-02 | 1975-04-01 | Raytheon Co | Pipeline signal processor |
US4298936A (en) * | 1979-11-15 | 1981-11-03 | Analogic Corporation | Array Processor |
JPH04218834A (ja) | 1990-12-19 | 1992-08-10 | Yamaha Corp | 条件分岐制御回路 |
US6154829A (en) * | 1997-10-20 | 2000-11-28 | Matsushita Electric Industrial Co., Ltd. | Cascaded arithmetic pipeline data processor |
KR100326270B1 (ko) * | 1998-12-24 | 2002-05-09 | 박종섭 | 어드레스버퍼와칼럼프리디코더사이에서하나의공통어드레스버스라인을사용하는반도체메모리소자 |
KR100308618B1 (ko) * | 1999-02-27 | 2001-09-26 | 윤종용 | 단일 칩 상의 마이크로프로세서-코프로세서 시스템을 구비한 파이프라인 데이터 처리 시스템 및 호스트 마이크로프로세서와 코프로세서 사이의 인터페이스 방법 |
-
2000
- 2000-08-21 TW TW089116916A patent/TWI226015B/zh not_active IP Right Cessation
- 2000-08-30 CN CNB008018375A patent/CN1229718C/zh not_active Expired - Fee Related
- 2000-08-30 WO PCT/JP2000/005900 patent/WO2001016712A1/ja active Application Filing
- 2000-08-30 US US09/806,310 patent/US6704853B1/en not_active Expired - Fee Related
- 2000-08-30 JP JP2001520599A patent/JP3534737B2/ja not_active Expired - Fee Related
- 2000-08-30 ID IDW20010941A patent/ID29154A/id unknown
- 2000-08-30 KR KR10-2001-7005296A patent/KR100396189B1/ko not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02224516A (ja) * | 1989-02-27 | 1990-09-06 | Nec Corp | 適応信号処理回路 |
JPH0336628A (ja) * | 1989-07-03 | 1991-02-18 | Oki Electric Ind Co Ltd | ディジタル信号処理プロセッサ及びその制御方法 |
JPH08137661A (ja) * | 1994-11-02 | 1996-05-31 | Hitachi Ltd | デジタル処理装置 |
Also Published As
Publication number | Publication date |
---|---|
TWI226015B (en) | 2005-01-01 |
KR100396189B1 (ko) | 2003-08-27 |
US6704853B1 (en) | 2004-03-09 |
CN1229718C (zh) | 2005-11-30 |
CN1321272A (zh) | 2001-11-07 |
ID29154A (id) | 2001-08-02 |
KR20010080916A (ko) | 2001-08-25 |
JP3534737B2 (ja) | 2004-06-07 |
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