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Method for intensifying electric erasable programmeable ROM data error correction

A read-only memory and data error technology, applied in static memory, television, instruments, etc., can solve the problem of undetectable error information, achieve the effect of solving geometric distortion, expanding perception, and enhancing error checking ability

Inactive Publication Date: 2006-08-09
TIANJIN SAMSUNG ELECTRONICS DISPLAY
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  • Description
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Problems solved by technology

However, this method is applicable when a large number of errors occur in the data. If only a small part of the data changes, the constant will not necessarily change, so that the error message cannot be detected.

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  • Method for intensifying electric erasable programmeable ROM data error correction
  • Method for intensifying electric erasable programmeable ROM data error correction
  • Method for intensifying electric erasable programmeable ROM data error correction

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Embodiment Construction

[0013] Below in conjunction with accompanying drawing and preferred embodiment, the specific implementation mode that provides according to the present invention is described in detail as follows:

[0014] see figure 1 , shows the main flow chart of the television system involved in the present invention, and illustrates that the action after the television is powered on is first initialization, then self-test, which is the key step of the present invention, and then enters the main loop of the system. In the self-checking process, if the data error in the EEPROM is found, the backup data is transferred from the main program to continue the system initialization.

[0015] see figure 2 , which shows the relationship between the main processing chip (MICOM) and the electrically erasable programmable read-only memory (EEPROM) in the TV system. The main processing chip communicates with the electrically erasable programmable read-only memory through the IIC bus (the I2C data bu...

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Abstract

In analog TV-signal receiver, commonly being as main data storage tool, EEPROM stores each manufacturerí»s parameters and information of channel. Comparing CHECKSUM data value setup in EEPROM in advance with CHECKSUM constant setup in main program determines whether data in EEPROM is damaged by ESD. Especially, adding a CHECKSUM data into each BANK of EEPROM extends perceptivity for sensing damage of data and enhances capability of checking error, and completes mechanism for detecting error of data stored in EEPROM. The method solves INITIAL DATA damage in memory, which induces geometric warping of TV image and image abnormity.

Description

technical field [0001] The invention relates to a method for enhancing memory data error checking. In particular, it relates to a method for enhancing data error checking of electrically erasable programmable read-only memory. It is mainly used in various TV systems containing electrically erasable programmable read-only memory (EEPROM), and can be extended to all electronic systems using EEPROM. Background technique [0002] ESD is the abbreviation of "electrostatic discharge", that is, ElectroStatic Discharge. Today's chips are mostly manufactured using complementary metal oxide semiconductor (CMOS) technology, and their circuits are quite sensitive to high voltage static electricity. Electrostatic discharge (ESD) occurs when a person or object charged with static electricity touches these devices. At present, there are many solutions to eliminate ESD, such as correct grounding, protection of chip transportation, electrostatic treatment of operators and operating enviro...

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Application Information

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IPC IPC(8): G11C29/00G06F11/22H04N17/04
Inventor 董博彦
Owner TIANJIN SAMSUNG ELECTRONICS DISPLAY
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