A processor chip capable of decoding dot matrix font library and an implementation method

A dot matrix font and processor technology, applied in the field of processor chips that can decode fonts, can solve the problems of high security difficulty, high cost, large workload, insufficient flexibility of font chips, etc., to enhance anti-piracy capabilities and facilitate replacement. Upgraded, adaptable effects

Active Publication Date: 2019-02-19
深圳高通半导体有限公司
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Problems solved by technology

The disadvantage of this type of product is that it takes a lot of work to complete a font file, so it is inconvenient to make too many modifications, which leads to the lack of flexibility of the existing font chip, and the stored font information is easy to be copied, making it difficult and costly to keep confidential. higher

Method used

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  • A processor chip capable of decoding dot matrix font library and an implementation method
  • A processor chip capable of decoding dot matrix font library and an implementation method
  • A processor chip capable of decoding dot matrix font library and an implementation method

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Embodiment Construction

[0033] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0034] see figure 1 , the present invention provides a processor chip capable of decoding dot-matrix fonts, comprising: an arithmetic processor 1 communicating with the arithmetic processor 1, a register group 4, a character information memory group 3, a program memory 2, and a data buffer unit 5.

[0035] The character information memory group 3 includes several character information storage units, the character information memory group 3 is mainly used to store Chinese and foreign language dot matrix font data and coding tables, and the program memory 2 is used to store basic character calling algorithms and conversion Code algorithm, described register group 4 comprises several registers, is mainly used in setting the encoding type of output character, encoding, dot matrix size, glyph type, width information and parameters such as output ...

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Abstract

The invention discloses a processor chip capable of decoding dot matrix font library and an implementation method. The processor chip comprises an algorithm processor, a register group communicativelyconnected with the algorithm processor, a character information memory group, a program memory and a data buffer area unit. The processor chip of the decodable dot matrix font library of the invention has the advantages of low cost and strong applicability. The user does not need to purchase or customize the designated font library chip, and the ideal font library suitable for the user can be generated very simply by using the chip, and can be conveniently replaced and upgraded when the product has requirements. the anti-piracy capability of the font library is enhanced.

Description

technical field [0001] The invention relates to the technical field of font chips, in particular to a processor chip capable of decoding fonts and an implementation method. Background technique [0002] At present, most non-operating system electronic devices need to store fonts in memory in order to realize text display. The Chinese font library is the second most used language with the largest amount of characters in the world. English and most Latin letters only need dozens of letters, and the data volume of the foreign character library is small and generally stored in the main control MCU. The smallest standard of the Chinese character library is 6,763 Chinese characters, and the largest standard is more than 70,000 Chinese characters. Therefore, the Chinese character library needs to be stored in a dedicated memory, that is, the font chip. [0003] Traditional font chips are generally stored in general-purpose memory like norflash or maskrom. The disadvantage of thi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/30G06F17/22
CPCG06F9/30098G06F40/126
Inventor 张林崔瀚之
Owner 深圳高通半导体有限公司
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