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Integration type concentrator control chip

A control chip and integrated integrated technology, applied in the direction of program control devices, instruments, electrical digital data processing, etc., can solve the problem of increasing the circuit space of the hub control chip 10a, increasing the burden of hardware design costs, and the space of the motherboard 1a cannot be effectively reduced, etc. question

Inactive Publication Date: 2009-07-01
ALCOR MICRO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Although this solution can overcome the problem of occupying the USB port provided by the input / output controller hub unit 20a of the motherboard 1a, not only the peripheral control chips 30a are not reduced, but also the circuit space of the hub control chip 10a must be increased. The space occupied by the motherboard 1a cannot be effectively reduced
Furthermore, because the hub control chip 10a and each peripheral control chip 30a still communicate through the uplink port and the downlink port, and a port controller must be respectively designed to control the operation of each uplink port and downlink port, so instead Increase the cost burden on hardware design

Method used

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  • Integration type concentrator control chip
  • Integration type concentrator control chip
  • Integration type concentrator control chip

Examples

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Embodiment Construction

[0029] See figure 2 , is a block diagram of an embodiment of the integrated hub control chip of the present invention. As shown in the figure, the present invention provides a hub control chip 1, which is used on a motherboard (not shown in the figure) of an application system, and the hub control Chip 1 includes: an upstream port (Upstream Port) transmission unit 10, an upstream port control unit 20, a trunk line unit 30, a trunk line control unit 40, a keyboard control module 50, a digital photography control module 51, a storage A media control module 52 , a power control module 53 , multiple downstream port (Downstream Port) control units 60 and multiple downstream port transmission units 70 . In addition, please also see image 3 , is a schematic diagram of an embodiment of the present invention applied to a notebook computer, so the above-mentioned application system is described below using the notebook computer 100 as an example.

[0030] Wherein, the uplink port tr...

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Abstract

An integrated type hub control chip applied to a mainboard of an application system comprises an upstream port transmission unit, an upstream port control unit, a relay line unit, a keyboard control module, a digital photography control module, a storage media control module and a relay line control unit, wherein, the keyboard control module, the digital photography control module and the storage media control module are directly connected through the relay line control unit; transmission paths in the relay line unit are switched according to the data transmission speed of the control modules; the upstream port control unit controls the transmission direction of the upstream port transmission unit so as to transmit data with the mainboard. Therefore, the present invention achieves the objectives of saving the circuit space of the mainboard, reducing hardware cost and increasing the versatility and extendibility of hub control chips.

Description

technical field [0001] The invention relates to a hub control chip, in particular to an integrated USB hub control chip. Background technique [0002] In recent years, with the rapid development of science and technology, 3C products are changing with each passing day, various computer peripheral products have sprung up continuously, and the transmission technology used between the host end and the device end is also constantly evolving. The widely used and more stable transmission method still adopts the USB transmission technology to connect the peripheral device and the host system. The USB transmission technology is not only mature and simple in design, but also meets the requirements of most peripheral devices in terms of speed, and has become the standard transmission method used by mainstream products on the market. [0003] However, due to the limited supply of USB connection ports for personal computers, especially notebook computers, not only the number of ports s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F13/38G06F9/445
Inventor 张琦栋蓝世旻林毅杰
Owner ALCOR MICRO CORP
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