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Chip debugging interface device

A technology for debugging interfaces and chips, which is applied in the field of interface debugging devices, and can solve problems such as inconvenient chip debugging

Active Publication Date: 2010-06-16
HISENSE VISUAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But now more and more ordinary PCs and notebooks have removed the parallel port design, which makes it very inconvenient to use ordinary PCs and notebooks to perform chip debugging in real time.

Method used

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  • Chip debugging interface device

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Embodiment Construction

[0018] In order to enable those skilled in the art to better understand the solution of the present invention, and to make the above-mentioned purpose, features and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings of the embodiments.

[0019] The chip debugging interface device of the present invention includes: a first port for connecting information processing equipment. The information processing device may be a computer, a television with an information processing device, a POD or other information processing devices. Taking a computer as an example, the first port is designed according to the characteristics of the connection port of the computer. If the computer connection port is a USB port, the first port is correspondingly designed as a USB interface to connect with the computer of the USB port, so as to ensure the norma...

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Abstract

The invention relates to a chip debugging interface device. The device comprises a USB port for connecting information processing equipment, an I<2>C port for connecting a chip and a main processing unit for respectively supporting the data transmission of the USB port and the I<2>C port; the I<2>C port and the USB port are controlled with each other by the main processing unit; the main processing unit comprises a first universal control interface and a second universal control interface; the I<2>C port comprises a data transmission port and a clock control port; the first universal control interface is connected with the data transmission port for transmitting and receiving data; the second universal control interface is connected with the clock control port for transmitting and receiving clock information; the USB port comprises a differential signal interface; the main processing unit also comprises a differential signal output interface; and the differential signal interface is connected with the differential signal output interface for transmitting and receiving a differential signal.

Description

technical field [0001] The invention relates to an interface debugging device for programming and / or debugging a chip. Background technique [0002] At present, the chip programming and / or debugging technology mostly adopts providing a background debugging mode interface in the computer, using a debugging device matching the background debugging mode interface to connect the CPU and the chip, and performing corresponding programming or performance testing on the chip. Generally, this kind of debugging equipment is divided into two types: special debugging head and simple debugging head. The receiving and sending functions of the special debug header can only carry out serial communication, and the functions of receiving and sending cannot be realized at the same time, and the price is expensive. The simple debugging head is similar to a cable, one end communicates with the computer through the parallel port cable, and the other end is connected to the chip. Such a simple d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F13/40G06F11/36
Inventor 刘勇杨嘉肖龙光杨元成
Owner HISENSE VISUAL TECH CO LTD
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