TR200701135A2 - İstenilmeyen I2C okuma/yazma işlemlerinin engellenmesi - Google Patents

İstenilmeyen I2C okuma/yazma işlemlerinin engellenmesi

Info

Publication number
TR200701135A2
TR200701135A2 TR2007/01135A TR200701135A TR200701135A2 TR 200701135 A2 TR200701135 A2 TR 200701135A2 TR 2007/01135 A TR2007/01135 A TR 2007/01135A TR 200701135 A TR200701135 A TR 200701135A TR 200701135 A2 TR200701135 A2 TR 200701135A2
Authority
TR
Turkey
Prior art keywords
line
vcc
unwanted
read
write operations
Prior art date
Application number
TR2007/01135A
Other languages
English (en)
Inventor
Ert�Rk �Et�N H�Sey�N
Original Assignee
Vestel Elektron�K San. T�C. A.�.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Vestel Elektron�K San. T�C. A.�. filed Critical Vestel Elektron�K San. T�C. A.�.
Priority to TR2007/01135A priority Critical patent/TR200701135A2/tr
Priority to DE602008006115T priority patent/DE602008006115D1/de
Priority to AT08101745T priority patent/ATE505792T1/de
Priority to EP08101745A priority patent/EP1962291B1/en
Publication of TR200701135A2 publication Critical patent/TR200701135A2/tr

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/22—Safety or protection circuits preventing unauthorised or accidental access to memory cells
    • G11C16/225—Preventing erasure, programming or reading when power supply voltages are outside the required ranges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Read Only Memory (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

Voltaj düzensizlikleri veya bilgi hattındaki gürültüler nedeniyle I2C (inter integrated circuit) bilgi hattına bağlı devre elemanlarında istenmeyen okuma/yazma işlemlerinin engellenmesini sağlamak için kullanılan buluş, bilgi hattının voltaj seviyesini sürekli gözlemlemekte, voltaj seviyesi belirli bir seviyenin altına düştüğü zaman seri saat hattını toprağa çekmekte, voltaj seviyesi eşik değerinin üzerine çıktığında seri saat hattını serbest bırakmaktadır. Eşik voltaj değeri bilgi hattına bağlı devre elemanları için ayarlanabilmekte, istenmeyen okuma/yazma işlemleri engellenmektedir.
TR2007/01135A 2007-02-23 2007-02-23 İstenilmeyen I2C okuma/yazma işlemlerinin engellenmesi TR200701135A2 (tr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
TR2007/01135A TR200701135A2 (tr) 2007-02-23 2007-02-23 İstenilmeyen I2C okuma/yazma işlemlerinin engellenmesi
DE602008006115T DE602008006115D1 (de) 2007-02-23 2008-02-19 Verhinderung unerwünschter I2C-Schreib-/Lese-Operationen
AT08101745T ATE505792T1 (de) 2007-02-23 2008-02-19 Verhinderung unerwünschter i2c-schreib-/lese- operationen
EP08101745A EP1962291B1 (en) 2007-02-23 2008-02-19 Prevention of unwanted I2C read/write operations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR2007/01135A TR200701135A2 (tr) 2007-02-23 2007-02-23 İstenilmeyen I2C okuma/yazma işlemlerinin engellenmesi

Publications (1)

Publication Number Publication Date
TR200701135A2 true TR200701135A2 (tr) 2008-09-22

Family

ID=39456580

Family Applications (1)

Application Number Title Priority Date Filing Date
TR2007/01135A TR200701135A2 (tr) 2007-02-23 2007-02-23 İstenilmeyen I2C okuma/yazma işlemlerinin engellenmesi

Country Status (4)

Country Link
EP (1) EP1962291B1 (tr)
AT (1) ATE505792T1 (tr)
DE (1) DE602008006115D1 (tr)
TR (1) TR200701135A2 (tr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105280151B (zh) * 2013-06-14 2019-01-29 青岛海信电器股份有限公司 伽玛校正缓冲电路和用于伽玛校正缓冲电路的防干扰方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0085117A1 (de) 1982-01-28 1983-08-10 Mannesmann Kienzle GmbH Schaltungsanordnung zur Sicherung von Daten in volatilen Schreib-Lese-Speichern (RAM)
JPS60180216A (ja) * 1984-02-28 1985-09-14 Fujitsu Ltd 電圧検知回路
KR100287884B1 (ko) 1998-11-26 2001-05-02 김영환 반도체 메모리소자의 센싱회로 및 그를 이용한센싱방법

Also Published As

Publication number Publication date
EP1962291A1 (en) 2008-08-27
EP1962291B1 (en) 2011-04-13
ATE505792T1 (de) 2011-04-15
DE602008006115D1 (de) 2011-05-26

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