JP5461132B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- JP5461132B2 JP5461132B2 JP2009219858A JP2009219858A JP5461132B2 JP 5461132 B2 JP5461132 B2 JP 5461132B2 JP 2009219858 A JP2009219858 A JP 2009219858A JP 2009219858 A JP2009219858 A JP 2009219858A JP 5461132 B2 JP5461132 B2 JP 5461132B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- correction
- flop
- carrier wave
- 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
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- 239000004065 semiconductor Substances 0.000 title claims description 39
- 238000012937 correction Methods 0.000 claims description 101
- 238000000034 method Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 description 11
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
- H03K23/40—Gating or clocking signals applied to all stages, i.e. synchronous counters
- H03K23/50—Gating or clocking signals applied to all stages, i.e. synchronous counters using bi-stable regenerative trigger circuits
- H03K23/52—Gating or clocking signals applied to all stages, i.e. synchronous counters using bi-stable regenerative trigger circuits using field-effect transistors
-
- 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
- H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
- H04L7/007—Detection of the synchronisation error by features other than the received signal transition detection of error based on maximum signal power, e.g. peak value, maximizing autocorrelation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Semiconductor Integrated Circuits (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Near-Field Transmission Systems (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Manipulation Of Pulses (AREA)
Description
本発明の一態様の半導体装置が有するクロック生成回路の構成および動作について、図1及び図2を参照して示す。図1は本発明の一態様の半導体装置をRFIDタグとした例である。図1において、クロック生成回路105は、信号生成回路107、分周回路106、補正判定回路108、補正回路230で構成する。図2(A)は図1に示したRFIDタグの各信号の波形を示す図である。図2(A)中、破線で囲った領域の拡大図を図2(B)に示す。
本発明の一態様の半導体装置が有するクロック生成回路105の各回路構成の詳細について説明する。
101 共振用容量素子
104 復調回路
105 クロック生成回路
106 分周回路
107 信号生成回路
108 補正判定回路
109 搬送波
110 復調信号
111 同期信号
112 補正タイミング信号
113 判定タイミング信号
114 セット補正信号
115 リセット補正信号
116 クロック信号
117 信号
119 カウントアップ信号
204 D型フリップフロップ
205 AND回路
206 D型フリップフロップ
207 インバータ
208 NAND回路
209 NAND回路
210 バッファ
211 バッファ
212 バッファ
220 D型フリップフロップ
221 D型フリップフロップ
222 インバータ
223 NAND回路
224 OR回路
225 NAND回路
226 OR回路
227 AND回路
230 補正回路
231 EXOR回路
232 D型フリップフロップ
233 バッファ
240 D型フリップフロップ
241 D型フリップフロップ
242 D型フリップフロップ
243 D型フリップフロップ
244 D型フリップフロップ
245 D型フリップフロップ
246 D型フリップフロップ
247 EXOR回路
248 OR回路
249 AND回路
313 初期同期信号
400 破線部分
401 100%変調の間
402 波形
409 リセット信号
Claims (7)
- 変調された搬送波を分周してクロック信号を生成するクロック生成回路を有する半導体装置であって、
搬送波を分周して第1の分周信号を生成する分周回路と、
前記第1の分周信号を更に分周して第2の分周信号を生成し、且つ前記搬送波が変調されている期間において、前記クロック信号の半周期に対応する期間の間、前記第2の分周信号を反転させる補正をする機能を有する補正回路とを有し、
前記補正回路は、前記クロック信号の状態に応じて、前記補正を行うか否かを選択する機能を有することを特徴とする半導体装置。 - 請求項1において、
前記補正を行うか否かの選択は、前記搬送波及び前記搬送波を復調した復調信号を用いて生成されるセット補正信号及びリセット補正信号を用いて制御されることを特徴とする半導体装置。 - 請求項1または請求項2において、
前記第1の分周信号の周期は前記クロック信号の周期の半分であることを特徴とする半導体装置。 - 請求項1乃至請求項3のいずれか一において、
前記搬送波の変調は100%変調方式と10%変調方式を切り換えて行われることを特徴とする半導体装置。 - 請求項1乃至請求項4のいずれか一において、
ISO/IEC15693の通信規格に準拠することを特徴とする半導体装置。 - 請求項1乃至請求項5のいずれか一において、
前記分周回路及び前記補正回路はD型フリップフロップを有することを特徴とする半導体装置。 - 請求項1乃至請求項6のいずれか一において、
前記半導体装置はRFIDタグであることを特徴とする半導体装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009219858A JP5461132B2 (ja) | 2008-09-30 | 2009-09-25 | 半導体装置 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008252073 | 2008-09-30 | ||
JP2008252073 | 2008-09-30 | ||
JP2009219858A JP5461132B2 (ja) | 2008-09-30 | 2009-09-25 | 半導体装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010109973A JP2010109973A (ja) | 2010-05-13 |
JP5461132B2 true JP5461132B2 (ja) | 2014-04-02 |
Family
ID=42056741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009219858A Expired - Fee Related JP5461132B2 (ja) | 2008-09-30 | 2009-09-25 | 半導体装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8253469B2 (ja) |
EP (1) | EP2345170B1 (ja) |
JP (1) | JP5461132B2 (ja) |
KR (1) | KR101617013B1 (ja) |
TW (1) | TWI463813B (ja) |
WO (1) | WO2010038584A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018074375A (ja) | 2016-10-28 | 2018-05-10 | 富士通株式会社 | クロック再生回路,半導体集積回路装置およびrfタグ |
GB2573795B (en) * | 2018-05-17 | 2023-01-11 | Pragmatic Printing Ltd | AND gates and clock dividers |
GB2611882B (en) * | 2018-05-17 | 2023-07-05 | Pragmatic Printing Ltd | AND gates and clock dividers |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6424632A (en) | 1987-07-21 | 1989-01-26 | Fujitsu Ltd | Phase locked loop circuit |
US4947407A (en) * | 1989-08-08 | 1990-08-07 | Siemens-Pacesetter, Inc. | Sample-and-hold digital phase-locked loop for ask signals |
JPH08186513A (ja) * | 1994-12-27 | 1996-07-16 | Toshiba Corp | 無線カード通信装置 |
FR2738423B1 (fr) * | 1995-08-30 | 1997-09-26 | Snecma | Demodulateur de frequence numerique |
JPH10107859A (ja) * | 1996-09-27 | 1998-04-24 | Omron Corp | データ伝送方法、書込/読出制御ユニット及びデータキャリア |
JPH114185A (ja) * | 1997-06-13 | 1999-01-06 | Omron Corp | 通信システム及び装置 |
JP2003244014A (ja) | 2002-02-15 | 2003-08-29 | Yozan Inc | 携帯端末 |
JP2003333112A (ja) * | 2002-05-14 | 2003-11-21 | Matsushita Electric Ind Co Ltd | 復調装置 |
US6917662B2 (en) * | 2003-09-11 | 2005-07-12 | International Business Machines Corporation | Programmable low-power high-frequency divider |
JP4519599B2 (ja) * | 2004-10-07 | 2010-08-04 | 株式会社半導体エネルギー研究所 | 半導体装置 |
JP2008010849A (ja) | 2006-06-01 | 2008-01-17 | Semiconductor Energy Lab Co Ltd | 半導体装置及び半導体装置の作製方法 |
EP1863090A1 (en) * | 2006-06-01 | 2007-12-05 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and method for manufacturing semiconductor device |
-
2009
- 2009-09-02 KR KR1020117008545A patent/KR101617013B1/ko active IP Right Grant
- 2009-09-02 EP EP09817621.7A patent/EP2345170B1/en not_active Not-in-force
- 2009-09-02 WO PCT/JP2009/065617 patent/WO2010038584A1/en active Application Filing
- 2009-09-22 TW TW098131930A patent/TWI463813B/zh not_active IP Right Cessation
- 2009-09-25 JP JP2009219858A patent/JP5461132B2/ja not_active Expired - Fee Related
- 2009-09-28 US US12/568,378 patent/US8253469B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
KR20110059878A (ko) | 2011-06-07 |
TWI463813B (zh) | 2014-12-01 |
KR101617013B1 (ko) | 2016-04-29 |
EP2345170A4 (en) | 2013-08-07 |
EP2345170B1 (en) | 2017-08-23 |
US8253469B2 (en) | 2012-08-28 |
EP2345170A1 (en) | 2011-07-20 |
WO2010038584A1 (en) | 2010-04-08 |
TW201110582A (en) | 2011-03-16 |
JP2010109973A (ja) | 2010-05-13 |
US20100079179A1 (en) | 2010-04-01 |
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