CN1738379A - TV set applying main, auxiliary microprocessor - Google Patents

TV set applying main, auxiliary microprocessor Download PDF

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Publication number
CN1738379A
CN1738379A CNA2005100446456A CN200510044645A CN1738379A CN 1738379 A CN1738379 A CN 1738379A CN A2005100446456 A CNA2005100446456 A CN A2005100446456A CN 200510044645 A CN200510044645 A CN 200510044645A CN 1738379 A CN1738379 A CN 1738379A
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CN
China
Prior art keywords
microprocessor
main
sub
port
electronic circuit
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CNA2005100446456A
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Chinese (zh)
Inventor
洪烨
菅怀刚
蒋宝珠
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海信集团有限公司
青岛海信电器股份有限公司
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Priority to CNA2005100446456A priority Critical patent/CN1738379A/en
Publication of CN1738379A publication Critical patent/CN1738379A/en

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Abstract

Disclosed a TV set which uses a main-sub two-chip microprocessor, comprises a housing and a electronic circuit, wherein, the electronic circuit comprises a microprocessor circuit which includes a main microprocessor and a sub-microprocessor while the infrared control signal and the key-press signal are input to said two processors at one time. These two processor are both connected to the I2C bus, while a I/O port connects them. The main microprocessor also has a external flash memory and a RS232 interface while a special I/O port which can send the time switch-off effect information from the main microprocessor to the sub-microprocessor connects these two microprocessors. In addition, the main microprocessor uses the 16 bits X86 microprocessor of PHOTOPIA of PW Company and the sub-microprocessor uses the ATMEG8 of Atmel Company. The invention solves the conflict between high property and high power consumption, while it improves the property of TV, with significantly reduced power consumption. The invention can be used in family, hotel and the write building.

Description

采用主、副双微处理器的电视机 TV uses primary and secondary microprocessor bis

技术领域 FIELD

本发明属于电视机技术领域,更明确地说涉及采用主、副双微处理器的电视机的设计。 The present invention belongs to the technical field of television, more specifically it relates to a design using the primary and secondary Dual microprocessors television set.

背景技术 Background technique

随着数字电视信号处理技术的发展和数字多媒体技术的普及,作为其核心的微处理器(CPU)的性能也得到飞速的提升,其处理速度和处理功能都今非昔比。 With the popularization of digital television signal processing techniques and the development of digital multimedia technologies, performance as its core a microprocessor (CPU) has also been rapidly enhanced processing speed and processing functions are shrunk. 然而随之带来的是功耗的剧增。 However, it has brought with it a dramatic increase in power consumption. 有的机型采用PW公司的具有强大图像处理功能的的16位X86核心微处理器PHOTOPIA,功耗在3到4W之间。 Some models feature 16-bit PW's X86 microprocessor core with powerful image processing functions PHOTOPIA, power consumption between 3 to 4W. 也就是说,已往电视机的高性能必然带来高功耗。 In other words, the past will inevitably bring high-performance TV's power consumption.

在国际国内要求环保节能的今天,高功耗已成为高性能电视机的一个严重不足。 In the international and domestic environment protection and energy requirements of today's high power consumption has become a serious shortage of high-performance television.

发明内容 SUMMARY

本发明的目的,就在于克服上述缺点和不足,提供一种采用主、副双微处理器的电视机。 Object of the present invention is that to overcome the above drawbacks and disadvantages, there is provided a use of main and sub-television Dual microprocessors. 它能够解决高性能必然带来高功耗的矛盾,在提高电视机的高性能的同时,大大降低其功耗。 It can solve the high-power high-performance inevitably bring conflict, while improving the high performance of the TV, greatly reducing its power consumption.

为了达到上述目的,本发明包括壳体以及安装在壳体中的电子线路,电子线路包括微处理器电路。 To achieve the above object, the present invention includes a housing and an electronic circuit mounted in the housing, the electronic circuit comprises a microprocessor circuit. 微处理器电路包括主微处理器、副微处理器。 The microprocessor circuitry includes a main microprocessor, the microprocessor sub. 红外遥控信号和按键信号同时输入给主、副微处理器,主、副微处理器均挂在I2C总线上。 Infrared remote control signal and a key signal simultaneously inputted to the primary and secondary microprocessor, the primary and secondary microprocessors are hung on the I2C bus. 它们之间还通过另一I/O口连接。 Therebetween through another I / O port is connected. 主微处理器还外挂闪存FLASH、带有可外接PC机的RS232接口。 Flash plug main microprocessor further FLASH, with RS232 interface can be connected to a PC.

主、副微处理器之间还可以连接着可由主微处理器发出定时关机生效信息传送给副微处理器的特定的I/O口。 Main, between the secondary microprocessor may also be connected to the main microprocessor may be sent off timing of transmitting validation information specific to the I sub microprocessor / O port.

红外遥控信号和按键信号同时输入给主、副CPU,其中副CPU只对负责开机/待机的遥控按键指令进行响应(按习惯,在待机),对整机继电器的通/断进行控制,以及定时关机信息的通知接收;而主CPU除负责其余所有遥控功能的接收处理,对待机指令进行确认(在主CPU结束各项运行和处理之前,禁止副CPU直接关机断电可能造成的主CPU程序错误和混乱),通过特定I/O口发出定时关机生效信息通知副CPU。 Infrared remote control signal and a key signal simultaneously input to the main and sub CPU, wherein the sub CPU is only responsible for on / standby instruction in response to the remote control button (customary in standby), the whole of the relay on / off control, and a timing shutdown notification information is received; and in addition to the main CPU is responsible for receiving and processing all of the remaining remote control function, standby command confirmation (before the end of the run and the main CPU processing, prohibit sub-CPU directly off the main CPU bug may have caused power outage and chaos), issued by a particular port I O / off timing of commencement Notify sub CPU.

为防止频繁断电导致的主CPU运行异常,还要对副CPU的操作进行适当延时,保证开关机期间主CPU的稳定工作。 To prevent frequent power outages caused by abnormal operation of the main CPU, the sub CPU operation should be appropriately delayed to ensure stable operation of the main CPU during the switch.

副CPU-ATMEG8与主CPU-PHOTOPIA可以通过I2C总线进行通讯,也可以通过特殊设计的I/O口相互交换信息。 The sub-CPU-ATMEG8 main CPU-PHOTOPIA can communicate through the I2C bus, can exchange information through a specially designed I / O port.

主CPU的执行程序可以通过对外挂的FLASH存储器内的数据进行重新写入,写入需要PC连接本机上的RS232口;副CPU的执行程序可以通过对内置的FLASH存储器内的数据进行重新写入,电路板上预留的数据线可以连接ATMEG专用数据线进行写入。 The main CPU executes the program can be rewritten by the data in the FLASH memory plug, writing the required PC connection RS232 port on the unit; sub CPU executing the program may be rewritten by the built-in data in the FLASH memory the circuit board may be connected to the reserved data line ATMEG dedicated data line for writing.

主微处理器采用的是PW公司的16位X86微处理器PHOTOPIA,副微处理器选用的是Atmel公司的ATMEG8。 PW main microprocessor uses a 16-bit X86 microprocessor's PHOTOPIA, the microprocessor sub-choices are Atmel Corporation ATMEG8.

PHOTOPIA作为主微处理器(Main CPU),负责对数字视频信号进行去隔行处理(Deinterlacing)、整合图像控制(Scaling)、降噪及画质提升等。 PHOTOPIA as a main microprocessor (Main CPU), responsible for the digital video signal de-interlacing (Deinterlacing), integrated image control (Scaling), noise reduction and image enhancement and the like. 另增加的一个副微处理器(Sub CPU)负责整机的电源管理(PowerManagement)、部分遥控按键接收处理功能、部分信号检测/系统唤醒功能等。 A further increase in the sub-microprocessor (Sub CPU) responsible for overall management of the power (whose PowerManagement), the RC key reception processing function, signal detection section / wake system functions. 在以后I/O口不够时,还可承担一部分I/O口输入输出功能。 When later I / O port is not enough, may bear some of the I / O port input and output functions. 这种方式可以分流主CPU的工作量,简化系统复杂度,显著降低功耗。 This embodiment can split the workload of the main CPU, a simplified system complexity, significantly reduce power consumption.

ATMEG8是一颗低功耗、低成本、高性能的带10位A/D转换器的AVR单片机,具有10位A/D转换器,8K字节的FLASH存贮器,多达1K字节的SRAM,512字节的EEPROM存贮器。 ATMEG8 AVR microcontroller is a low power, low cost, high performance with 10-bit A / D converter with 10 bit A / D converter, 8K bytes of FLASH memory, up to 1K bytes SRAM, 512 bytes of EEPROM memory. 还具有硬件USART SPI和基于字节处理的I2C口,具备实时时钟(RTC)功能。 And further comprising a hardware based I2C USART SPI port byte processing with real-time clock (RTC) function.

本发明的任务就是这样完成的。 Object of the present invention is thus completed.

本发明提供了一种采用主、副双微处理器的电视机。 The present invention provides a use of main and sub-television Dual microprocessors. 它能够解决高性能必然带来高功耗的矛盾,在提高电视机的高性能的同时,大大降低其功耗。 It can solve the high-power high-performance inevitably bring conflict, while improving the high performance of the TV, greatly reducing its power consumption. 它可广泛应用于家庭、宾馆、写字楼等场所中。 It can be widely used in homes, hotels, offices and other locations.

附图说明 BRIEF DESCRIPTION

图1为本发明的原理方框图。 1 schematic block diagram of the present invention.

图2为其电路原理图。 FIG 2 is its circuit diagram.

具体实施方式 Detailed ways

实施例1。 Example 1. 一种采用主、副双微处理器的电视机,它包括壳体以及安装在壳体中的电子线路,电子线路包括微处理器电路。 Using one kind of a television main and sub Dual microprocessors, comprising a housing and an electronic circuit mounted in the housing, the electronic circuit comprises a microprocessor circuit. 微处理器电路包括主微处理器(1)、副微处理器(2)。 The microprocessor circuitry includes a main microprocessor (1), the microprocessor sub (2). 红外遥控信号和按键信号同时输入给主、副微处理器(1)和(2),主、副微处理器(1)和(2)均挂在I2C总线上。 Infrared remote control signal and a key signal simultaneously inputted to the primary and secondary microprocessor (1) and (2) the primary and secondary microprocessor (1) and (2) are hung on the I2C bus. 它们之间还通过另一I/O口(3)连接。 It is also connected between them through another I / O port (3). 主微处理器(1)还外挂闪存FLASH、带有可外接PC机的RS232接口。 Main microprocessor (1) further plug-in flash memory FLASH, with RS232 interface may be external to the PC.

主、副微处理器(1)和(2)之间还连接着可由主微处理器(1)发出定时关机生效信息传送给副微处理器(2)的特定的I/O口(4)。 Primary and secondary microprocessor (1) and (2) may be further connected to the main microprocessor (1) issuing into force regular shutdown specific information transfer to the sub-I microprocessor (2) / O port (4) .

主微处理器(1)采用的是PW公司的16位X86微处理器PHOTOPIA,副微处理器(2)选用的是Atmel公司的ATMEG8。 Main microprocessor (1) uses a 16-bit PW's X86 microprocessor PHOTOPIA, sub microprocessor (2) is selected Atmel Corporation ATMEG8.

本实施例为一种平板电视机。 This embodiment is a flat panel television. 其单信号处理机芯的功耗可以低于0.02W,即使加上平板电视电源模块的固有功率后,整机功率也可以低于1.8W。 Single movement which signal processing may be lower than 0.02W power consumption, even after the flat-panel television, and the inherent power of the power module, machine power may be lower than 1.8W. 从而很好地解决了高性能与高功耗的矛盾。 Which solves the contradiction between high performance and high power consumption. 而且后续改进可以方便地增加HDMI CEC功能、实时时钟功能以及对PC/DVI信号线的插入和信号的有无进行检测等功能。 And subsequent improvement can easily increase the HDMI CEC function, and real-time clock function of the presence or absence of signal insertion and PC / DVI signal line detecting function.

实施例1在提高电视机的高性能的同时,大大降低了其功耗,工作可靠、稳定,性能优良。 Example 1 while improving the high performance of the television set, which greatly reduces power consumption, reliability, and excellent performance. 它可广泛应用于家庭、宾馆、写字楼等场所中。 It can be widely used in homes, hotels, offices and other locations.

Claims (3)

1.一种采用主、副双微处理器的电视机,它包括壳体以及安装在壳体中的电子线路,电子线路包括微处理器电路,其特征在于微处理器电路包括主微处理器、副微处理器,红外遥控信号和按键信号同时输入给主、副微处理器,主、副微处理器均挂在I2C总线上,它们之间还通过另一I/O口连接,主微处理器还外挂闪存FLASH、带有可外接PC机的RS232接口。 A use of main and sub-television Dual microprocessors, comprising a housing and an electronic circuit mounted in the housing, the electronic circuit comprises a microprocessor circuit, characterized in that the microprocessor circuit includes a main microprocessor secondary microprocessor, an infrared remote control signal and a key signal simultaneously inputted to the primary and secondary microprocessor, the primary and secondary microprocessors are hung on the I2C bus, is also connected to the other I / O port therebetween, the main microcontroller the processor also plug-in flash memory FLASH, with a RS232 interface can connect a PC.
2.按照权利要求1所述的采用主、副双微处理器的电视机,其特征在于所说的主、副微处理器之间还连接着可由主微处理器发出定时关机生效信息传送给副微处理器的特定的I/O口。 2. The use as claimed in the main claim, the sub-Dual microprocessors television 1, further characterized in that the connection between said main and auxiliary microprocessor with the microprocessor emitted by the main information to the commencement time off the microprocessor sub-specific I / O port.
3.按照权利要求1或2所述的采用主、副双微处理器的电视机,其特征在于所说的主微处理器采用的是PW公司的16位X86微处理器PHOTOPIA,副微处理器选用的是Atmel公司的ATMEG8。 Claim 3. The use of main and sub-television Dual microprocessors or claim 12, wherein said main microprocessor uses 16-bit X86 microprocessor PHOTOPIA PW's, micro-processing sub a selection of Atmel Corporation ATMEG8.
CNA2005100446456A 2005-08-31 2005-08-31 TV set applying main, auxiliary microprocessor CN1738379A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100499766C (en) 2006-06-06 2009-06-10 海信集团有限公司;青岛海信电器股份有限公司 Quick starting TV set capable of implementing standby low power dissipation
CN101193241B (en) * 2007-05-31 2011-01-12 深圳创维-Rgb电子有限公司 A TV set scheduled task control method and TV set
CN102047677A (en) * 2008-05-26 2011-05-04 皇家飞利浦电子股份有限公司 A method for switching a multimedia source and multimedia sink from an operating mode to a standby mode, and from a standby mode to an operating mode
CN102520999A (en) * 2011-12-14 2012-06-27 康佳集团股份有限公司 Method for omitting external chip FLASH

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100499766C (en) 2006-06-06 2009-06-10 海信集团有限公司;青岛海信电器股份有限公司 Quick starting TV set capable of implementing standby low power dissipation
CN101193241B (en) * 2007-05-31 2011-01-12 深圳创维-Rgb电子有限公司 A TV set scheduled task control method and TV set
CN102047677A (en) * 2008-05-26 2011-05-04 皇家飞利浦电子股份有限公司 A method for switching a multimedia source and multimedia sink from an operating mode to a standby mode, and from a standby mode to an operating mode
CN102520999A (en) * 2011-12-14 2012-06-27 康佳集团股份有限公司 Method for omitting external chip FLASH

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