WO2013131228A1 - Digital television and system for achieving serial communications - Google Patents

Digital television and system for achieving serial communications Download PDF

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Publication number
WO2013131228A1
WO2013131228A1 PCT/CN2012/071916 CN2012071916W WO2013131228A1 WO 2013131228 A1 WO2013131228 A1 WO 2013131228A1 CN 2012071916 W CN2012071916 W CN 2012071916W WO 2013131228 A1 WO2013131228 A1 WO 2013131228A1
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WIPO (PCT)
Prior art keywords
digital television
port
usb interface
mini usb
main chip
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Application number
PCT/CN2012/071916
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French (fr)
Chinese (zh)
Inventor
戎卫华
Original Assignee
Rong Weihua
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Rong Weihua filed Critical Rong Weihua
Priority to CN2012800002218A priority Critical patent/CN102687520A/en
Priority to PCT/CN2012/071916 priority patent/WO2013131228A1/en
Publication of WO2013131228A1 publication Critical patent/WO2013131228A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4112—Peripherals receiving signals from specially adapted client devices having fewer capabilities than the client, e.g. thin client having less processing power or no tuning capabilities

Definitions

  • the utility model belongs to the field of digital television, and in particular relates to a digital television and system for realizing serial communication. Background technique
  • the digital TV integrated machine can receive, process and display digital TV signals without an external set-top box.
  • Digital TV can also implement two-way interactive applications (on-demand, time shift, playback), high-speed access to Internet access applications, wireless communications and other applications. Due to the diversification of applications, digital TV all-in-ones, especially smart TVs, will become more frequent in the development and after-sales phases, software and hardware program debugging or software upgrades than traditional TVs. Televisions are different from other portable small electronic products. Inconvenient to disassemble, it is generally necessary to leave the debugging port outside the body.
  • the traditional debugging port is RS232 interface, but the RS232 interface is large in size and takes up space.
  • the object of the present invention is to provide a digital television and system for realizing serial communication, which realizes serial communication by using a mini USB interface, and aims to solve the problem of large size and space occupied by the RS232 interface.
  • the utility model provides a digital television for realizing serial port communication, comprising a main chip and a mini USB interface, wherein any three pins of the mini USB interface are respectively connected to the serial port of the main chip to send the data terminal TX, and the serial port of the main chip receives the data terminal RX and The common terminal GND of the main chip.
  • Another object of the present invention is to provide a system for implementing serial communication, comprising the digital television according to any of the preceding claims, further comprising a package adapter board of the RS232 port, the digital television and the RS232 The package adapter boards of the port are connected, and the package adapter board of the RS232 port converts the received signal into a standard RS232 port standard signal output.
  • the software debugging interface of the digital television is small in size and small in space occupation by reasonably utilizing the mini USB interface instead of the RS232 interface of the serial communication.
  • FIG. 1 is a schematic diagram of a digital television structure for realizing serial communication according to a first embodiment of the present invention
  • FIG. 2 is a schematic diagram of a digital television structure for implementing serial port communication according to a second embodiment of the present invention
  • FIG. 3 is a schematic diagram of a system for implementing serial port communication according to a third embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a system for implementing serial port communication according to a fourth embodiment of the present invention.
  • the first embodiment of the present invention provides a digital television for realizing serial communication.
  • the digital television includes a main chip 1 and a mini USB interface 2.
  • the serial port of the main chip receives the data terminal RX and the common terminal GND of the main chip.
  • the digital television for realizing serial communication provided by the embodiment of the present invention replaces the RS232 interface of the serial communication by rationally utilizing the mini USB interface, so that the software debugging interface of the digital television is small in size and small in space occupation.
  • the second embodiment of the present invention provides a digital television for realizing serial communication, as shown in FIG. 2,
  • the main chip 1 , the mini USB interface 2 and the level conversion device 3 the main chip 1 sends a serial port to send data to the level conversion device 3
  • the level conversion device 3 converts the serial port transmission data from the signal voltage of the main chip into a mini USB.
  • the interface can accept the signal voltage, and then send the serial port transmission data to the mini USB interface 2.
  • the serial port sent by the mini USB interface 2 receives data to the level converting device 3, and the level converting device 3 converts the serial port receiving data from the signal voltage of the mini USB interface into a signal voltage that the main chip can accept, and then receives the serial port.
  • the data is sent to the main chip 1.
  • the level shifting device can be a TTL (Transistor-Transistor Logic) or a CMOS (Complementary Metal Oxide Semiconductor) logic circuit.
  • the digital television for realizing serial communication replaces the RS232 interface of the serial communication by rationally utilizing the mini USB interface, so that the software debugging interface of the digital television has small size, small space occupation, and a level conversion device in the middle. , can make communication more smooth and more efficient.
  • the third embodiment of the present invention provides a system for implementing serial communication. Referring to FIG. 3, the digital television 31 including the first embodiment or the second embodiment further includes a package adapter board 32 of the RS232 port, and an RS232 port. The package adapter board 32 converts the received signal into a standard RS232 port standard signal output.
  • a system for implementing serial communication provided by the fourth embodiment of the present invention includes a digital television 31, a data conversion line 4, and a package adapter board 32 of an RS232 port.
  • the data conversion line 4 connects the serial port transmission data terminal TX of the mini USB interface on the digital television 31 and the serial port transmission data terminal TX of the package adapter board 32 of the RS232 port, and receives the data from the serial port of the mini USB interface on the digital television 31.
  • the terminal RX is connected with the serial port receiving data terminal RX of the package adapter board 32 of the RS232 port, and connects the common terminal GND of the mini USB interface on the digital television 31 with the common terminal GND of the package adapter board 32 of the RS232 port.
  • the software debugging interface of the digital television is small in size and small in space occupation by reasonably utilizing the mini USB interface instead of the RS232 interface of the serial communication.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Debugging And Monitoring (AREA)
  • Computer And Data Communications (AREA)

Abstract

Provided is a digital television for achieving serial communications, which comprises a main chip and a mini USB interface, wherein any three paths in the mini USB interface are respectively connected to a serial data transmitting end (TX) of the main chip, a serial data receiving end (RX) of the main chip and a common end (GND) of the main chip. Also provided is a system for achieving serial communications. The digital television and system for achieving serial communications provided in the embodiments of the present utility model are adopted to enable a software debugging interface of the digital television to have a small dimension and occupy a small space by reasonably replacing an RS232 interface for serial communications with a mini USB interface.

Description

一种实现串口通信的数字电¾51系统  A digital electric 3⁄451 system for serial communication
技术领域 Technical field
本实用新型属于数字电视领域， 尤其涉及一种实现串口通信的数字电视及 系统。 背景技术  The utility model belongs to the field of digital television, and in particular relates to a digital television and system for realizing serial communication. Background technique
数字电视一体机， 无需外置机顶盒可以实现数字电视信号的接收、 处理和 显示。 数字电视还可以实现双向互动的应用 （点播， 时移， 回放） ， 高速接入 因特网上网应用， 无线通信等应用。 由于应用的多样化， 数字电视一体机尤其 是智能电视相比传统电视， 在研发， 售后阶段， 软硬件程序调试或者软件升级 都将变得更为频繁， 电视机不同于其他便携小型电子产品， 不便拆卸， 故一般 需要将调试口留在机体外面，传统的调试口为 RS232接口，但 RS232接口尺寸 大， 占空间。 实用新型内容 本实用新型的目的在于提供一种实现串口通信的数字电视及系统， 通过利 用 mini USB接口来实现串口通信， 旨在解决 RS232接口尺寸大， 占空间的问 题。  The digital TV integrated machine can receive, process and display digital TV signals without an external set-top box. Digital TV can also implement two-way interactive applications (on-demand, time shift, playback), high-speed access to Internet access applications, wireless communications and other applications. Due to the diversification of applications, digital TV all-in-ones, especially smart TVs, will become more frequent in the development and after-sales phases, software and hardware program debugging or software upgrades than traditional TVs. Televisions are different from other portable small electronic products. Inconvenient to disassemble, it is generally necessary to leave the debugging port outside the body. The traditional debugging port is RS232 interface, but the RS232 interface is large in size and takes up space. SUMMARY OF THE INVENTION The object of the present invention is to provide a digital television and system for realizing serial communication, which realizes serial communication by using a mini USB interface, and aims to solve the problem of large size and space occupied by the RS232 interface.
本实用新型提供一种实现串口通信的数字电视，包括主芯片和 mini USB接 口， 其中 mini USB接口中任意三引脚分别连接主芯片的串口发送数据端 TX, 主芯片的串口接收数据端 RX和主芯片的公共端 GND。 本实用新型的另一目的在于提供一种实现串口通信的系统， 包括如前述任 意一项所述的数字电视，还包括 RS232口的封装转接板，所述数字电视与 RS232 口的封装转接板相连接， 所述 RS232口的封装转接板将接收到信号转换成标准 RS232口标准信号输出。 采用本实用新型实施例提供的实现串口通信的数字电视及系统， 通过合理 利用 mini USB接口来代替串口通信的 RS232接口， 使数字电视的软件调试接 口尺寸小， 空间占用少。 附图说明 The utility model provides a digital television for realizing serial port communication, comprising a main chip and a mini USB interface, wherein any three pins of the mini USB interface are respectively connected to the serial port of the main chip to send the data terminal TX, and the serial port of the main chip receives the data terminal RX and The common terminal GND of the main chip. Another object of the present invention is to provide a system for implementing serial communication, comprising the digital television according to any of the preceding claims, further comprising a package adapter board of the RS232 port, the digital television and the RS232 The package adapter boards of the port are connected, and the package adapter board of the RS232 port converts the received signal into a standard RS232 port standard signal output. By adopting the digital television and system for realizing serial communication provided by the embodiment of the present invention, the software debugging interface of the digital television is small in size and small in space occupation by reasonably utilizing the mini USB interface instead of the RS232 interface of the serial communication. DRAWINGS
图 1是本实用新型第一实施例所提供的实现串口通信的数字电视结构示意 图；  1 is a schematic diagram of a digital television structure for realizing serial communication according to a first embodiment of the present invention;
图 2是本实用新型第二实施例所提供的实现串口通信的数字电视结构示意 图；  2 is a schematic diagram of a digital television structure for implementing serial port communication according to a second embodiment of the present invention;
图 3是本实用新型第三实施例所提供的实现串口通信的系统的示意图； 图 4是本实用新型第四实施例所提供的实现串口通信的系统的示意图。 具体实施方式  3 is a schematic diagram of a system for implementing serial port communication according to a third embodiment of the present invention; and FIG. 4 is a schematic diagram of a system for implementing serial port communication according to a fourth embodiment of the present invention. detailed description
为了使本实用新型的目的、 技术方案及优点更加清楚明白， 以下结合附图 及实施例， 对本实用新型进行进一步详细说明。 应当理解， 此处所描述的具体 实施例仅仅用以解释本实用新型， 并不用于限定本实用新型。  In order to make the objects, technical solutions and advantages of the present invention more comprehensible, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
本实用新型第一实施例提供了一种实现串口通信的数字电视，如图 1所示， 该数字电视包括主芯片 1和 mini USB接口 2。 mini USB接口中有 5路可以接收 信号的引脚， 其中任意三引脚分别连接主芯片的串口发送数据端 TX, 主芯片 的串口接收数据端 RX和主芯片的公共端 GND。  The first embodiment of the present invention provides a digital television for realizing serial communication. As shown in FIG. 1, the digital television includes a main chip 1 and a mini USB interface 2. There are 5 pins that can receive signals in the mini USB interface. Any three pins are connected to the serial port of the main chip to send the data terminal TX. The serial port of the main chip receives the data terminal RX and the common terminal GND of the main chip.
采用本实用新型实施例提供的实现串口通信的数字电视， 通过合理利用 mini USB接口来代替串口通信的 RS232接口，使数字电视的软件调试接口尺寸 小， 空间占用少。  The digital television for realizing serial communication provided by the embodiment of the present invention replaces the RS232 interface of the serial communication by rationally utilizing the mini USB interface, so that the software debugging interface of the digital television is small in size and small in space occupation.
本实用新型第二实施例提供了一种实现串口通信的数字电视，如图 2所示， 包括主芯片 1 , mini USB接口 2和电平转换装置 3 , 主芯片 1发送串口发送数 据给电平转换装置 3 , 电平转换装置 3将该串口发送数据从主芯片的信号电压 转换成 mini USB接口能够接受的信号电压， 再将该串口发送数据发送到 mini USB接口 2。 同样， mini USB接口 2发送的串口接收数据给电平转换装置 3 , 电平转换装置 3将该串口接收数据从 mini USB接口的信号电压转换成主芯片能 够接受的信号电压， 再将该串口接收数据发送到主芯片 1。 该电平转换装置可 以为 TTL( Transistor-Transistor Logic,逻辑门电路）或者 CMOS( Complementary Metal Oxide Semiconductor, 互补金属氧化物半导体 )逻辑电路。 The second embodiment of the present invention provides a digital television for realizing serial communication, as shown in FIG. 2, The main chip 1 , the mini USB interface 2 and the level conversion device 3 , the main chip 1 sends a serial port to send data to the level conversion device 3 , and the level conversion device 3 converts the serial port transmission data from the signal voltage of the main chip into a mini USB. The interface can accept the signal voltage, and then send the serial port transmission data to the mini USB interface 2. Similarly, the serial port sent by the mini USB interface 2 receives data to the level converting device 3, and the level converting device 3 converts the serial port receiving data from the signal voltage of the mini USB interface into a signal voltage that the main chip can accept, and then receives the serial port. The data is sent to the main chip 1. The level shifting device can be a TTL (Transistor-Transistor Logic) or a CMOS (Complementary Metal Oxide Semiconductor) logic circuit.
采用本实用新型实施例提供的实现串口通信的数字电视， 通过合理利用 mini USB接口来代替串口通信的 RS232接口，使数字电视的软件调试接口尺寸 小， 空间占用少， 并且中间有电平转换装置， 可以使通信更流畅， 效率更高。 本实用新型第三实施例提供了实现串口通信的系统， 请参见图 3 , 包括第 一实施例或第二实施例描述的数字电视 31 , 还包括 RS232口的封装转接板 32 , RS232口的封装转接板 32将接收到信号转换成标准 RS232口标准信号输出。  The digital television for realizing serial communication provided by the embodiment of the present invention replaces the RS232 interface of the serial communication by rationally utilizing the mini USB interface, so that the software debugging interface of the digital television has small size, small space occupation, and a level conversion device in the middle. , can make communication more smooth and more efficient. The third embodiment of the present invention provides a system for implementing serial communication. Referring to FIG. 3, the digital television 31 including the first embodiment or the second embodiment further includes a package adapter board 32 of the RS232 port, and an RS232 port. The package adapter board 32 converts the received signal into a standard RS232 port standard signal output.
采用本实用新型实施例提供的实现串口通信的系统， 通过合理利用 mini USB接口来代替串口通信的 RS232接口， 使数字电视的软件调试接口尺寸小， 空间占用少。 本实用新型第四实施例所提供的实现串口通信的系统， 请参见图 4, 包括 数字电视 31 , 数据转换线 4和 RS232口的封装转接板 32。 数据转换线 4将数 字电视 31上的 mini USB接口中串口发送数据端 TX与 RS232口的封装转接板 32上串口发送数据端 TX连接起来， 将数字电视 31上的 mini USB接口中串口 接收数据端 RX与 RS232口的封装转接板 32上串口接收数据端 RX连接起来， 将数字电视 31上的 mini USB接口中公共端 GND与 RS232口的封装转接板 32 上公共端 GND连接起来。 采用本实用新型实施例提供的实现串口通信的系统， 通过合理利用 mini USB接口来代替串口通信的 RS232接口， 使数字电视的软件调试接口尺寸小， 空间占用少。 以上所述仅为本实用新型的较佳实施例而已， 并不用以限制本实用新型， 凡在本实用新型的精神和原则之内所作的任何修改、 等同替换和改进等， 均应 包含在本实用新型的保护范围之内。 By adopting the system for realizing serial communication provided by the embodiment of the present invention, the software debugging interface of the digital television is small in size and small in space occupation by reasonably utilizing the mini USB interface instead of the RS232 interface of the serial communication. Referring to FIG. 4, a system for implementing serial communication provided by the fourth embodiment of the present invention includes a digital television 31, a data conversion line 4, and a package adapter board 32 of an RS232 port. The data conversion line 4 connects the serial port transmission data terminal TX of the mini USB interface on the digital television 31 and the serial port transmission data terminal TX of the package adapter board 32 of the RS232 port, and receives the data from the serial port of the mini USB interface on the digital television 31. The terminal RX is connected with the serial port receiving data terminal RX of the package adapter board 32 of the RS232 port, and connects the common terminal GND of the mini USB interface on the digital television 31 with the common terminal GND of the package adapter board 32 of the RS232 port. By adopting the system for realizing serial communication provided by the embodiment of the present invention, the software debugging interface of the digital television is small in size and small in space occupation by reasonably utilizing the mini USB interface instead of the RS232 interface of the serial communication. The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the present invention. The scope of protection of utility models.

Claims

权 利 要 求 书 Claim
1、一种实现串口通信的数字电视， 包括主芯片和 mini USB接口， 其特征在于， 所述 mini USB接口中任意三引脚分别连接所述主芯片的串口发送数据端 TX, 主芯片的串口接收数据端 RX和主芯片的公共端 GND。  A digital television for realizing serial communication, comprising a main chip and a mini USB interface, wherein any three pins of the mini USB interface are respectively connected to a serial port of the main chip to transmit a data terminal TX, a serial port of the main chip The data terminal RX and the common terminal GND of the main chip are received.
2、 如权利要求 1所述的实现串口通信的数字电视， 其特征在于， 所述主芯片与 所述 mini USB接口之间还包括电平转换装置，所述电平转换装置将所述主芯片 发出的信号电压转换为所述 mini USB接口能够接受的信号电压， 以及将所述 mini USB接口发出的信号电压转换为所述主芯片能够接受的信号电压。  2. The digital television for implementing serial communication according to claim 1, wherein a level conversion device is further included between the main chip and the mini USB interface, and the level conversion device converts the main chip The emitted signal voltage is converted into a signal voltage that the mini USB interface can accept, and the signal voltage emitted by the mini USB interface is converted into a signal voltage that the main chip can accept.
3、 如权利要求 2所述的实现串口通信的数字电视， 其特征在于， 所述电平转换 装置为逻辑门电路或者 CMOS逻辑电路。  3. The digital television for serial communication according to claim 2, wherein the level shifting device is a logic gate circuit or a CMOS logic circuit.
4、 一种实现串口通信的系统， 其特征在于， 包括如权利要求 1-3任意一项所述 的数字电视，还包括 RS232口的封装转接板， 所述数字电视与所述 RS232口的 封装转接板相连接， 所述 RS232 口的封装转接板将接收到的信号转换成标准 RS232口标准信号输出。  A system for implementing serial communication, comprising: the digital television according to any one of claims 1-3, further comprising a package adapter board of an RS232 port, the digital television and the RS232 port The package adapter board is connected, and the package adapter board of the RS232 port converts the received signal into a standard RS232 port standard signal output.
5、 如权利要求 4所述的系统， 其特征在于， 所述数字电视和所述 RS232 口的封装转接板之间还包括数据转换线， 所述数据转换线将所述数字电视上所 述 mini USB接口中串口发送数据端 TX与所述 RS232口的封装转接板上串口 发送数据端 TX连接起来，将所述数字电视上所述 mini USB接口中串口接收数 据端 RX与所述 RS232口的封装转接板上串口接收数据端 RX连接起来， 将所 述数字电视上所述 mini USB接口中公共端 GND与所述 RS232口的封装转接板 上公共端 GND连接起来。  The system according to claim 4, further comprising a data conversion line between the digital television and the package adapter board of the RS232 port, wherein the data conversion line is as described on the digital television The serial port sending data terminal TX of the mini USB interface is connected with the serial port transmitting data terminal TX of the package adapter board of the RS232 port, and the serial port of the mini USB interface on the digital television receives the data terminal RX and the RS232 port. The serial port receiving data terminal RX of the package adapter board is connected, and the common terminal GND of the mini USB interface on the digital television is connected with the common terminal GND of the package adapter board of the RS232 port.
PCT/CN2012/071916 2012-03-05 2012-03-05 Digital television and system for achieving serial communications WO2013131228A1 (en)

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