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A flash memory online programming device

A FLASH memory and cable technology, applied in the field of online programming devices for FLASH memory, can solve problems such as inconvenient debugging of programs, failure to meet the quality assurance requirements of missile-borne products, and inapplicability to batch product program upgrades, etc., to reduce development costs and Maintenance cost, ease of upgrade and maintenance, and the effect of improving debugging efficiency

Active Publication Date: 2020-12-04
GUIZHOU AEROSPACE ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the conventional FLASH memory programming method is not convenient for debugging programs, and is not suitable for program upgrades of batch products, especially does not meet the relevant quality assurance requirements of missile-borne products.

Method used

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  • A flash memory online programming device
  • A flash memory online programming device

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Embodiment Construction

[0018] The technical solution of the present invention is further described below, but the scope of protection is not limited to the description.

[0019] Such as figure 1 , figure 2 A kind of FLASH memory on-line programming device shown, comprises on-line programming device; Described on-line programming device input end flat line is connected with universal programmer, and output end flat line is connected to the electrical connector of FLASH memory on the PCB board; There is at least one level shifting chip in the above-mentioned in-circuit programming device, and the same level shifting is done for each pin level through the level shifting chip.

[0020] There are three level conversion chips.

[0021] The level conversion chip is SN74LVC8T245PW.

[0022] The level conversion of the level conversion chip is converted from 5V to 3.3V or from 3.3V to 5V.

[0023] The pre-stage cable of the online programming device is connected to the universal programmer through a mat...

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Abstract

The invention provides an online burning device for a FLASH memory. The online burning device comprises an online burning device body; a flat cable at an input end of the online burning device body is connected with a universal programming device, and a flat cable at an output end of the online burning device body is connected to an electric connector of the FLASH memory on a PCB; and at least one level conversion chip is arranged in the online burning device body and is used for carrying out same level conversion on each pin level. According to the online burning device, the online burning of the FLASH memory is successfully realized; the damage to electronic elements and devices and printed circuit boards in a conventional FLASH memory burning method is avoided, and the reliability of a product is improved; and meanwhile, the debugging efficiency of the product is further improved, the updating and maintaining of product procedures are facilitated, and the development and maintenance costs of the product are lowered.

Description

technical field [0001] The invention relates to an online programming device for a FLASH memory. Background technique [0002] The conventional FLASH memory programming method is to directly insert the integrated circuit into the programmer for programming. A common programmer will provide a snap socket. If the integrated circuit is a 2.54mm pitch dual-in-line package, it can be directly inserted into the programmer to make the snap lock the integrated circuit, and then use the computer application software provided by the programmer to load the compiled program and write it into the integrated circuit. After the programming is successful, release the buckle and remove the integrated circuit to complete the operation. If the integrated circuit is not a 2.54mm pitch dual-in-line package, you need to replace the matching adapter socket and connect it to the programmer for programming. [0003] Usually, our programs need to be revised and improved repeatedly. Many problems c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F8/654G06F8/61
Inventor 罗霞何军
Owner GUIZHOU AEROSPACE ELECTRONICS TECH CO LTD