JP7379358B2 - 集積回路デバイスにおいて信号を受信するための回路および方法 - Google Patents
集積回路デバイスにおいて信号を受信するための回路および方法 Download PDFInfo
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- JP7379358B2 JP7379358B2 JP2020548909A JP2020548909A JP7379358B2 JP 7379358 B2 JP7379358 B2 JP 7379358B2 JP 2020548909 A JP2020548909 A JP 2020548909A JP 2020548909 A JP2020548909 A JP 2020548909A JP 7379358 B2 JP7379358 B2 JP 7379358B2
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- 238000000034 method Methods 0.000 title claims description 62
- 238000011084 recovery Methods 0.000 claims description 10
- 239000000872 buffer Substances 0.000 description 36
- 238000010586 diagram Methods 0.000 description 22
- 230000006870 function Effects 0.000 description 10
- 230000000630 rising effect Effects 0.000 description 6
- 230000007704 transition Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000018199 S phase Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/0807—Details of the phase-locked loop concerning mainly a recovery circuit for the reference signal
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
- G06F1/06—Clock generators producing several clock signals
-
- 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
- H03K19/0175—Coupling arrangements; Interface arrangements
- H03K19/017509—Interface arrangements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
- H03L7/0812—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
- H03L7/0814—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used the phase shifting device being digitally controlled
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
- H04L7/002—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation
- H04L7/0025—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation interpolation of clock signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0079—Receiver details
- H04L7/0087—Preprocessing of received signal for synchronisation, e.g. by code conversion, pulse generation or edge detection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
- H04L7/0331—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop with a digital phase-locked loop [PLL] processing binary samples, e.g. add/subtract logic for correction of receiver clock
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
- H04L7/0337—Selecting between two or more discretely delayed clocks or selecting between two or more discretely delayed received code signals
-
- 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
- H03K19/20—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Description
Claims (15)
- 集積回路において信号を受信するための回路であって、
回復クロックに基づいて、入力データ信号をサンプリングするように構成されたサンプラであって、サンプルデータおよび受信器出力クロックを出力するサンプラと、
クロックおよびデータ回復ループであって、
前記サンプルデータおよび前記受信器出力クロックを受信し、クロックおよびデータ回復回路のクロックのサイクル中に第1の位相補間器コードおよび第2の位相補間器コードを出力するように構成されたクロックおよびデータ回復回路と、
位相補間器のクロックのサイクル中に、前記第1の位相補間器コードおよび前記第2の位相補間器コードを取り込むように構成された位相補間器と
を備えるクロックおよびデータ回復ループと、
を備え、
前記位相補間器は、前記第1の位相補間器コードおよび前記第2の位相補間器コードに基づいて、第1の位相補間器制御信号と、第2の位相補間器制御信号とを生成し、前記第1の位相補間器制御信号および前記第2の位相補間器制御信号に基づいて、前記回復クロックを調節するように構成されている、回路。 - 前記第1の位相補間器制御信号および前記第2の位相補間器制御信号の各々が位相選択信号および重み付け信号を含む、請求項1に記載の回路。
- 前記第1の位相補間器制御信号は、前記位相補間器のクロックの後続のサイクルの前半の間に関連したクロックに適用され、前記第2の位相補間器制御信号は、前記位相補間器のクロックの後続のサイクルの後半の間に関連したクロックに適用される、請求項1または2に記載の回路。
- 前記第1の位相補間器コードは、現在の位相補間器コードと増分コードの第1の部分の和を含み、前記第2の位相補間器コードは、前記現在の位相補間器コードと前記増分コードの第2の部分の和を含み、請求項1から3のいずれか一項に記載の回路。
- 前記第1の位相補間器コードおよび前記第2の位相補間器コードの各々が、前記現在の位相補間器コードおよび前記増分コードの半分との和をさらに含む、請求項4に記載の回路。
- 前記第2の位相補間器制御信号は、境界交差に対する前記第1の位相補間器コードおよび前記第2の位相補間器コードとの比較に基づいて、選択的に前記回復クロックに適用される、請求項1から5のいずれか一項に記載の回路。
- 境界交差が検知されなければ、前記第2の位相補間器制御信号が前記回復クロックに適用される、請求項6に記載の回路。
- 正方向の境界交差が検知された場合には、前記第2の位相補間器制御信号が前記回復クロックに適用される前に、第1の境界交差制御信号が前記回復クロックに適用される、請求項6に記載の回路。
- 負方向の境界交差が検知された場合には、前記第2の位相補間器制御信号が前記回復クロックに適用される前に、第2の境界交差制御信号が前記回復クロックに適用される、請求項6から8のいずれか一項に記載の回路。
- 集積回路において信号を受信する方法であって、
入力データ信号を受信することと、
前記入力データ信号に基づいてサンプルデータおよび受信器出力クロックを生成することと、
クロックおよびデータ回復回路のクロックのサイクル中に、前記サンプルデータおよび前記受信器出力クロックに基づいて第1の位相補間器コードおよび第2の位相補間器コードを生成することと、
位相補間器のクロックのサイクル中に、前記位相補間器において前記第1の位相補間器コードおよび前記第2の位相補間器コードを受信することと、
前記第1の位相補間器コードおよび前記第2の位相補間器コードに基づいて、第1の位相補間器制御信号と、第2の位相補間器制御信号とを生成することと、
前記第1の位相補間器制御信号および前記第2の位相補間器制御信号に基づいて、回復クロックを調節することとを含む方法。 - 前記調節することは、前記位相補間器のクロックの後続のサイクルの第1の部分の間に、前記第1の位相補間器制御信号に基づいて、前記回復クロックの位相を調節することと、前記位相補間器のクロックの後続のサイクルの第2の部分の間に、前記第2の位相補間器制御信号に基づいて、前記回復クロックの位相を調節することとを含む、請求項10に記載の方法。
- 前記第1の位相補間器コードは、現在の位相補間器コードと増分コードの第1の部分の和を含み、前記第2の位相補間器コードは、前記現在の位相補間器コードと前記増分コードの第2の部分の和を含み、請求項11に記載の方法。
- 前記調節することは、境界交差に対する前記第1の位相補間器コードおよび前記第2の位相補間器コードとの比較に基づいて、前記回復クロックを選択的に調節することを含む、請求項10に記載の方法。
- 前記選択的に調節することは、境界交差が検知されなければ、前記第2の位相補間器コードに基づいて前記回復クロックを調節することを含む、請求項13に記載の方法。
- 前記選択的に調節することは、境界交差が検知された場合には、前記第2の位相補間器コードに基づいて前記回復クロックを調節する前に、境界交差制御信号に基づいて前記回復クロックを調節することを含む、請求項13に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US15/920,251 | 2018-03-13 | ||
US15/920,251 US10484167B2 (en) | 2018-03-13 | 2018-03-13 | Circuit for and method of receiving a signal in an integrated circuit device |
PCT/US2019/021574 WO2019177945A1 (en) | 2018-03-13 | 2019-03-11 | Circuit for and method of receiving a signal in an integrated circuit device |
Publications (2)
Publication Number | Publication Date |
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JP2021518678A JP2021518678A (ja) | 2021-08-02 |
JP7379358B2 true JP7379358B2 (ja) | 2023-11-14 |
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JP2020548909A Active JP7379358B2 (ja) | 2018-03-13 | 2019-03-11 | 集積回路デバイスにおいて信号を受信するための回路および方法 |
Country Status (6)
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US (1) | US10484167B2 (ja) |
EP (1) | EP3753110A1 (ja) |
JP (1) | JP7379358B2 (ja) |
KR (1) | KR20200127241A (ja) |
CN (1) | CN112075025A (ja) |
WO (1) | WO2019177945A1 (ja) |
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KR102627861B1 (ko) * | 2019-04-16 | 2024-01-23 | 에스케이하이닉스 주식회사 | 위상 감지 회로, 이를 이용하는 클럭 생성 회로 및 반도체 장치 |
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2018
- 2018-03-13 US US15/920,251 patent/US10484167B2/en active Active
-
2019
- 2019-03-11 CN CN201980027713.8A patent/CN112075025A/zh active Pending
- 2019-03-11 JP JP2020548909A patent/JP7379358B2/ja active Active
- 2019-03-11 KR KR1020207028653A patent/KR20200127241A/ko not_active Application Discontinuation
- 2019-03-11 EP EP19713292.1A patent/EP3753110A1/en active Pending
- 2019-03-11 WO PCT/US2019/021574 patent/WO2019177945A1/en unknown
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Publication number | Publication date |
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JP2021518678A (ja) | 2021-08-02 |
CN112075025A (zh) | 2020-12-11 |
WO2019177945A1 (en) | 2019-09-19 |
KR20200127241A (ko) | 2020-11-10 |
EP3753110A1 (en) | 2020-12-23 |
US20190288830A1 (en) | 2019-09-19 |
US10484167B2 (en) | 2019-11-19 |
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