CN102256074B - Integrated personal computer-television adopting system modular design - Google Patents

Integrated personal computer-television adopting system modular design Download PDF

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CN102256074B
CN102256074B CN 201110189563 CN201110189563A CN102256074B CN 102256074 B CN102256074 B CN 102256074B CN 201110189563 CN201110189563 CN 201110189563 CN 201110189563 A CN201110189563 A CN 201110189563A CN 102256074 B CN102256074 B CN 102256074B
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signal
module
system module
audio
master chip
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CN102256074A (en
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芮明昭
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TPV Display Technology Xiamen Co Ltd
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TPV Display Technology Xiamen Co Ltd
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Abstract

The invention discloses an integrated personal computer-television adopting a system modular design. The integrated personal computer-television comprises a personal computer (PC) system module, a television (TV) system module, a power module and a display module, wherein the PC system module and the TV system module are connected in parallel with the power module and the display module respectively; the TV system module comprises a tuner, a signal modulator, a signal coding and decoding processor and a master chip; the signal coding and decoding processor and the master chip are both connected with the tuner and the signal modulator; a selector switch is arranged between the master chip and the signal coding and decoding processor; and the master chip and the signal coding and decoding processor are connected with the PC system module respectively. By the technical scheme provided by the invention, the personal computer system module and the television system module are deeply integrated in the integrated personal computer-television adopting the system modular design in a modular design way of a unified architecture to realize the production of different products on the same printed circuit board, reduce research, development and design cost, bring convenience to factory processing and improve the compatibility and extensibility of the product.

Description

The computer and television integrated machine of modularized design
Technical field
The present invention relates to the electronic and electrical equipment technical field, relate in particular to the computer and television integrated machine of modularized design.
Background technology
Along with the development of digital technology, the host part that computer is desk-top occurred and directly arranged and form computer all-in-one machine in the display, occur again thereafter television module is joined the inner computer and television integrated machine that forms of computer all-in-one machine.
Face sees that TV has been a kind of fashion and trend on computers at present, realize that the up-to-date equipment of this function is computer and television integrated machine, its main implementation method has two kinds: a kind of is to comprise PC system module and TV system module, two system modules can work independently, also can co-operation, but be simple module splicing, PC system module and TV system module do not carry out internal integration, complex structure is produced and the manufacturing cost height, individual demand such as can't satisfy that the user records; Another is: allow the vision signal of PC system module be sent to the processing module of TV system module as the signal source of TV with analog signal (VGA etc.) or digital signal (DVI, HDMI etc.), finish processing such as AD conversion, decoding, Scaler in TV master chip inside and transfer the LVDS signal to and deliver to and show after the TCON plate of Panel is handled.Processing can rely on TV internal integrated circuit IC to handle the realization picture-in-picture function like this, can operate with screen by telecomputer, and conveniently switches PIP, realizes TV and computer function are carried out simultaneously.Adopt a kind of mode in back, PC is as the signal source of TV, and the user must open TV earlier before opening PC, chooses the input source of PC then, this computer all-in-one machine inner structure complexity, and production cost height and user use complex operation.
Summary of the invention
In order to overcome the deficiencies in the prior art, the purpose of this invention is to provide a kind of degree of depth and integrate the teleputer technology, computer and television integrated machine simple in structure, easy to operate, compatible good.
The computer and television integrated machine of modularized design of the present invention, it comprises the PC system module, the TV system module, power module and display module, the PC system module, the TV system module is connected in parallel with power module and display module respectively, described TV system module comprises tuner, demodulator of PM signal PM, signal decoding encode processor and master chip, the signal decoding encode processor all is connected with demodulator of PM signal PM with tuner with master chip, be provided with the selection diverter switch between described master chip and signal decoding encode processor, master chip is connected with the PC system module respectively with the signal decoding encode processor; Described PC system module comprises chipset, EC module, CPU, audio codec module and system audio switching selector, chipset receives the TV signal that the signal decoding encode processor sends over by the signal decoding encode processor in the usb bus connection TV system module; Chipset is connected with the EC module by lpc bus, and the EC module is connected with the TV system module by UART or I2C bus; Chipset connects audio codec module one end by the output of AZALIA standard, the input of audio codec module other end connected system audio switch selector, the system audio switching selector also is provided with the input port of the master chip in the TV system module, the input port of EC module, the system audio switching selector receives the audio signal that audio codec module in the PC system module and the master chip in the TV system module send simultaneously, selects to call wherein a kind of audio signal by the EC module controls; Chipset is connected with CPU with the DMI bus by the FDI bus, and CPU is connected with the TV system module with display module respectively.
In the described TV system module, tuner sends to demodulator of PM signal PM, signal decoding encode processor and master chip after the tv rf signal that receives is changed into the medium-frequency IF signal, demodulator of PM signal PM sends to signal decoding encode processor and master chip after with medium-frequency IF signal demodulation process, and the signal decoding encode processor becomes the IF intermediate-freuqncy signal that receives and the signal coding of demodulation process the data TV signal of USB form and sends the PC system module to by the USB line; Master chip receives the signal that the PC system module sends over, and simultaneously the signal of the medium-frequency IF signal that receives and demodulation process is processed into the LVDS signal and sends to display module.
Tuner and the demodulator of PM signal PM of described master chip and signal decoding encode processor compatible front-end, when selecting the diverter switch selection to be connected with master chip, be " firmly " TV pattern this moment, master chip is as the master control device, acquisition is the control of tuner and demodulator of PM signal PM to the front end shared module, control tuner and demodulator of PM signal PM are finished and are searched platform, actions such as decoding, and this moment, the signal decoding encode processor discharged the control to the place ahead shared module device; When described selection diverter switch selection is connected with the signal decoding encode processor, be " soft " TV pattern this moment, it is the control of tuner and demodulator of PM signal PM that the signal decoding encode processor obtains shared module, and control tuner and demodulator of PM signal PM are finished and searched platform, actions such as decoding.
Need to prove, because share the shared module resource, select diverter switch that two kinds of TV mode of operations (" firmly " TV pattern and " soft " TV pattern) are carried out the switching of master control device so arrange, if have two to overlap independently front end tuner and demodulator, this just need not be set select diverter switch to switch, both can carry out work simultaneously.
In the TV system module, when selecting diverter switch control call signal decoding and coding processor, the signal decoding encode processor becomes the IF intermediate-freuqncy signal of reception and the signal coding of demodulation process the data TV signal of USB form and sends the PC system module to by the USB line, and this mode of operation is " soft " TV system pattern.Under this mode of operation, be that tuner (Tuner) and demodulator of PM signal PM (Demodulator) are controlled by signal decoding encode processor (Signal codec processor) to the shared module unit of TV system module.After the PC system module receives this data TV signal, on the chipset of PC system module, the data TV signal of this USB form is decoded, send to display module after the processing again and play, digital television signal can also be recorded in the hard disk (HDD, SSD) of computer (PC).If signal decoding encode processor (Signal codec processor) bist signal demodulator (Demodulator) does not just need outside demodulator of PM signal PM (Demodulator).
In the TV system module, select diverter switch control to call master chip as the master control device, master chip becomes the medium-frequency IF signal of reception and the signal processing of demodulation process into the LVDS signal, again the LVDS signal is sent to display module and shows, this mode of operation is " firmly " TV system pattern.Under this mode of operation, be that tuner (Tuner) and demodulator of PM signal PM (Demodulator) are controlled by master chip to the shared module unit of TV system module.This moment, the TV system module was an independently television system.
In the TV system module, " soft " TV system pattern and " firmly " TV system pattern share a tuner and demodulator of PM signal PM, thereby economizing on resources and cost, is that signal decoding encode processor or master chip are the master control device by selecting concrete selection of diverter switch control again.When only starting the TV system module in the computer and television integrated machine, select diverter switch control to select to call master chip as the master control device, at this moment, the TV system module is an independently television system.When computer and television integrated machine is not only opened the TV system module, opened the PC system module again, the client need teleview or with television signal recording during to the medium personalized service of hard disk (HDD, SSD) of computer (PC), selecting diverter switch control to select call signal decoding and coding processor is the master control device at PC end.
In the described PC system module, when being provided with graphic process unit (GPU) between CPU and display module, CPU directly exports the LVDS signal to display module by GPU, perhaps to master chip output digital video signal or the analog video signal of TV system module.
In the described PC system module, when not being provided with graphic process unit (GPU) between CPU and display module, CPU is connected with the TV system module with display module by different modes respectively, the connected mode of CPU and display module is: CPU selects circuit by arranging between chipset and display module to reserve, and by the image-signal processor (On board Scaler) above the reservation selection circuit vision signal is changed into the LVDS signal and sends display module to; The connected mode of CPU and TV system module is: CPU passes through chipset directly to TV system module output digital video signal or analog video signal.
Be provided with intermediate-freuqncy signal analog signal/audio frequency and video demodulator (IF Video/Audio Demodulator) in the signal decoding encode processor in the described TV system module, audio/video decoder (Video/Audio Decoder), audio/video coder and system controller (System controller), the system controller output connects external memory storage (EEPROM), system controller is finished outside tuner, the control of inner other modules of external signal demodulator and signal decoding encode processor, the configuration information with the signal decoding encode processor is stored in the external memory storage (EEPROM) simultaneously.
The output connected storage FLASH of the master chip in the described TV system module, the output of master chip also connects random asccess memory (DDR), the mass data when moving in order to access system; Be provided with intermediate-freuqncy signal analog signal audio frequency and video demodulator (IF Video/Audio Demodulator) in the master chip, audio/video decoder (Video/Audio Decoder), standby processor (standby MCU), image processing engine (Graphics engine), primary processor (CPU), image controller (Scaler) and picture-in-picture controller (PIP) etc., master chip also is provided with PC system module signal access interface, digital signal (HDMI) interface, color difference signal (YPbPr) interface, video signal input interface such as vision signal (AV) interface and brightness aberration (YC) signaling interface.Master chip also receives the audio-video signal from the PC system module, and the signal that the PC system module sends over can be digital signal such as HDMI, and DVI etc. also can be analog signal such as VGA signal.
Hard disk (HDD/SSD) and CD drive (ODD) that chipset in the described PC system module connects by the hard-disk interface bus are by IP Camera (Web Camera) module, touch-screen (Touch Screen) module, bluetooth (Bluetooth) module of USB2.0 bus connection; By the WIFI module that the PCIe bus connects, lan network module and USB 3.0 modules; SPI BIOS FLASH module by the connection of UART Universal Asynchronous Receiver Transmitter (UART) bus.
Input connection line input (Line in) module of audio codec module (Audio Codec) in the described PC system module, output connection line output (Line out) module.
System audio switching selector output in the described PC system module connects audio frequency amplifier, the output of audio frequency amplifier connects loudspeaker, the system audio switching selector is selected concrete audio signal, sends to be exported by loudspeaker (Speaker) after audio frequency amplifier (Amplifier) amplifies.
EC module in the described PC system module is a single-chip microcomputer, is provided with memory (Flash) in it, input link order input module.
Described EC module (Embed Controller, embedded controller) is 16 single-chip microcomputers, and the Flash that its inside has a constant volume stores the code of EC or shares Flash with BIOS.The EC module is an independent processor, all whole system is played overall management role in PC standby and start, can detect and respond the instruction of starting module, can go out the active user by predefined code and circuit logic mutation analysis and open the TV system module or open the PC system module and can provide the control signal of relevant response signal and other.Described EC module is accepted the user instruction of starting module, according to user instruction, controls current system mode, and control audio signal selector switch (Audio switch selector), and the EC module communicates by UART or I2C bus and TV system module.
Described instruction input module comprises external button (KEY BOARD), touches input keyboard (TOUCH KEY), IR signal receiver, PS/2 interface etc.System IR signal is selected control by the EC module, if the user then delivers to the TV system module with the IR signal in the TV holotype, if then the IR signal is sent to the PC system module in the PC holotype.Button (KEY BOARD) is independently connected to PC system module and TV system module respectively, and multiplexing connection is not carried out in operation for the convenience of the user.The PS/2 interface can external mouse and keyboard.
In sum, the present invention carries out modularized design with computer and television integrated machine, carries out unified shader, is divided into the TV system module, PC system module, power module and display module.Wherein the TV system module is subdivided into " soft " TV system module and " firmly " TV system module, to " soft " TV mode of operation and " firmly " TV mode of operation should be arranged; The PC system module is divided into band GPU pattern and is not with GPU(UMA) pattern; So just the TV system module all is split as different mode of operations with the PC system module, and these mode of operations can be arranged in pairs or groups at random, carry out unified shader and modularized design, can be according to the different different modules of user's request configuration in actual production process, reduce research and development and design cost, make things convenient for the plant produced operation, increase compatibility and the extensibility of product, be user-friendly to operation, increase the competitiveness of product in market.
Adopt technical scheme of the present invention, in the computer and television integrated machine of modularized design, use the modularized design mode of unified shader, the degree of depth is integrated PC system module and TV system module, realize that television PC not only can work alone, can also work simultaneously, and satisfy the various use habits of user, can independently realize TV system module " the hard solution " TV signal, also can under computer model, utilize software to carry out " soft solution " TV signal and can utilize the memory device of computer to carry out recording TV program; Owing to adopt the modularized design scheme of unified shader, process circuit that can be different according to no increase in demand, be implemented in same bar printing wiring board design and produce different products, reduce research and development and design cost, make product easy to process, production efficiency improves, and increases compatibility and the extensibility of product, be user-friendly to operation, increase the competitiveness of product in market.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments:
Fig. 1 is the structural representation of the computer and television integrated machine of modularized design of the present invention;
Fig. 2 is the structural representation of TV system module of the present invention;
Fig. 3 is the structural representation of PC system module of the present invention;
Fig. 4 is the flow chart of work of the present invention.
Embodiment
Shown in one of Fig. 1-4, the present invention includes PC system module 1, TV system module 2, power module 3 and display module 4, PC system module 1, TV system module 2 is connected in parallel with power module 3 and display module 4 respectively, described TV system module 2 comprises tuner, demodulator of PM signal PM, signal decoding encode processor and master chip, the signal decoding encode processor all is connected with demodulator of PM signal PM with tuner with master chip, be provided with the selection diverter switch between described master chip and signal decoding encode processor, master chip is connected with PC system module 1 respectively with the signal decoding encode processor; Described PC system module 2 comprises chipset, EC module, CPU, audio codec module and system audio switching selector, chipset receives the TV signal that the signal decoding encode processor sends over by the signal decoding encode processor in the usb bus connection TV system module; Chipset is connected with the EC module by lpc bus, and the EC module is connected with TV system module 2 by UART or I2C bus; Chipset connects audio codec module one end by the output of AZALIA standard, the input of audio codec module other end connected system audio switch selector, the system audio switching selector also is provided with the input port of the master chip in the TV system module 2, the input port of EC module, the system audio switching selector receives the audio signal that audio codec module in the PC system module 1 and the master chip in the TV system module 2 send simultaneously, selects to call wherein a kind of audio signal by the EC module controls; Chipset is connected with CPU with the DMI bus by the FDI bus, and CPU is connected with TV system module 2 with display module 4 respectively.
As shown in Figure 2, in the described TV system module 2, tuner sends to demodulator of PM signal PM, signal decoding encode processor and master chip after the tv rf signal that receives is changed into the medium-frequency IF signal, demodulator of PM signal PM sends to signal decoding encode processor and master chip after with medium-frequency IF signal demodulation process, and the signal decoding encode processor becomes the IF intermediate-freuqncy signal that receives and the signal coding of demodulation process the data TV signal of USB form and sends PC system module 1 to by the USB line; Master chip receives the signal that PC system module 1 sends over, and simultaneously the signal of the medium-frequency IF signal that receives and demodulation process is processed into the LVDS signal and sends to display module 4.
Tuner and the demodulator of PM signal PM of described master chip and signal decoding encode processor compatible front-end, when selecting the diverter switch selection to be connected with master chip, be " firmly " TV pattern this moment, master chip is as the master control device, acquisition is the control of tuner and demodulator of PM signal PM to the front end shared module, control tuner and demodulator of PM signal PM are finished and are searched platform, actions such as decoding, and this moment, the signal decoding encode processor discharged the control to the place ahead shared module device; When described selection diverter switch selection is connected with the signal decoding encode processor, be " soft " TV pattern this moment, it is the control of tuner and demodulator of PM signal PM that the signal decoding encode processor obtains shared module, and control tuner and demodulator of PM signal PM are finished and searched platform, actions such as decoding.
In TV system module 2, when selecting diverter switch control call signal decoding and coding processor as the master control device, the signal decoding encode processor becomes the IF intermediate-freuqncy signal of reception and the signal coding of demodulation process the data TV signal of USB form and sends PC system module 1 to by the USB line, and this mode of operation is " soft " TV system pattern.Under this mode of operation, be that tuner (Tuner) and demodulator of PM signal PM (Demodulator) are controlled by signal decoding encode processor (Signal codec processor) to the shared module unit of TV system module 2.After PC system module 1 receives this data TV signal, on the chipset of PC system module 1, the data TV signal of this USB form is decoded, send to display module 4 again and play, digital television signal can also be recorded in the hard disk (HDD/SDD) of computer (PC).If signal decoding encode processor (Signal codec processor) bist signal demodulator (Demodulator), just do not need outside demodulator of PM signal PM (Demodulator), above-mentioned demodulator of PM signal PM (Demodulator) comprises digital signal demodulator and analog signal demodulator.
In TV system module 2, select diverter switch control to call master chip as master controller, master chip changes into the LVDS signal with the medium-frequency IF signal of reception and signal and other the outside access audio-video signal of demodulation process, again the LVDS signal is sent to display module 4 and shows, this mode of operation is " firmly " TV system pattern.Under this mode of operation, under this mode of operation, be that tuner (Tuner) and demodulator of PM signal PM (Demodulator) are controlled by master chip to the shared module unit of TV system module 2, TV system module 2 is an independently television system.
In TV system module 2, " soft " TV system pattern and " firmly " TV system pattern share a tuner and demodulator of PM signal PM, thereby economizing on resources and cost, is that signal decoding encode processor or master chip are as the master control device by selecting concrete selection of diverter switch control again.When only starting TV system module 2 in the computer and television integrated machine, select diverter switch control to select to call master chip as control tuner and demodulator of PM signal PM main control chip, at this moment, TV system module 2 is an independently television system.When computer and television integrated machine is not only opened TV system module 2, opened PC system module 1 again, when the client need be recorded to digital television signal the medium personalized service of hard disk (HDD) of computer (PC), select diverter switch control to select call signal decoding and coding processor as the master control device.
In the described PC system module 1, when being provided with graphic process unit (GPU) between CPU and display module, CPU directly exports the LVDS signal to display module 4 by GPU, perhaps to master chip output digital video signal or the analog video signal of TV system module 2.
In the described PC system module 1, when not being provided with graphic process unit (GPU) between CPU and display module, CPU is connected with TV system module 2 with display module 4 by different modes respectively, the connected mode of CPU and display module 4 is: CPU arranges to reserve by chipset and 4 of display modules and selects circuit, and ((On board Scaler) changes into the LVDS signal with vision signal and send display module 4 to by reserving the picture signal controller of selecting above the circuit; The connected mode of CPU and TV system module 2 is: CPU passes through chipset directly to TV system module 2 output digital video signal or analog video signals.
The present invention carries out modularized design with computer and television integrated machine, carries out unified shader, is divided into TV system module 2, PC system module 1, power module 3 and display module 4.Wherein TV system module 2 is subdivided into " soft " TV system module and " firmly " TV system module, to " soft " TV mode of operation and " firmly " TV mode of operation should be arranged; PC system module 1 is divided into band GPU pattern and is not with GPU(UMA) pattern; So just TV system module 2 all is split as different mode of operations with PC system module 1, and these mode of operations can be arranged in pairs or groups at random, carry out unified shader and modularized design, can be according to the different different modules of user's request configuration in actual production process, reduce research and development and design cost, make things convenient for the plant produced operation, increase compatibility and the extensibility of product, be user-friendly to operation, increase the competitiveness of product in market.
As shown in Figure 4, workflow of the present invention is: the user operates the instruction input module in the PC system module 1, and system boot judges it is which module is being started shooting by the EC module, and power module 3 is powered and opened that module of start.
If it is that the user operates 1 start of PC system module that the EC module is judged, need power module 3 simultaneously PC system module 1 and TV system module 2 to be powered.The PC signal is sent to TV system module 2 and handles, but the PC pattern is only arranged this moment, and this moment, whole system was exactly a pure computer system.System does not open the TV resource, the signal of PC output utilizes the Scaler in the master chip of TV system module 2 to handle, other input sources of TV system module 2 do not show, when system opens and is chosen in the decoding of PC end and play the TV signal at PC, selection diverter switch control call signal decoding and coding processor in the TV system module 2 is as the master control device, system enters " soft " TV system pattern, and the digital television signal that the chipset in the PC system module 1 sends the signal decoding encode processor is play and recorded.Under this mode of operation, TV system module 2 is only done the display effect.If detect the user and open TV this moment, then system default directly enters the PIP pattern (PC is key frame, TV is sprite), this moment the user can select to adjust and close picture-in-picture controller PIP state and this moment TV whole system all in working order, namely the TV system module can be handled other signal source input states; If detect the PC off signal, then PC shutdown, system enters pure TV mode state, and the selection diverter switch control in the TV system module is called master chip as main control chip, system enters " firmly " TV system pattern, and this moment, whole system was exactly a pure television system.At this moment,, user's this moment enters PIP pattern (this moment, PC was sprite, and TV is key frame) again if opening PC.If the user closes TV, then TV system module 2 shutdown, whole system enters standby mode.
If the EC module is judged the user and is begun 2 starts of TV system module, then TV system module 2 work, system such as same pure TV pattern, the selection diverter switch control in the TV system module 2 is called master chip as the master control device, and system enters " firmly " TV system pattern.If the user is closed TV at this moment, then system enters standby mode.If the user opens PC, then system enters PIP pattern (PC is sprite, and TV is key frame).Under the PIP state this moment user can select to adjust and close PIP state and this moment TV whole system all in working order, namely TV system module 2 can be handled other signal source input states, this moment, two kinds of modules were all worked at the same time.If the user closes TV at this moment, then system enters pure PC pattern.Under pure PC pattern, the user opens TV, and to enter PIP(PC be key frame, and TV is sprite), the user is closed PC, and then whole system enters standby mode.
If detect the TV starting-up signal this moment, then system enters into default PIP state, and PC is key frame, and TV is sprite, and the user can select to adjust and close the state of PIP; If detect the PC off signal, then PC shutdown, system enters holding state.
The PIP state-detection to the PC off signal then system directly enter the TV show state, PC system module 1 shutdown; If detect the TV off signal, then system enters into TV system module 2 show states.
At TV system module 2 show states, then start PC system module 1 if detect the PC starting-up signal this moment, and system enters the PIP state again, and the PIP state default definition of this moment is that TV is key frame, and PC is sprite; This moment, TV system module 2 shut down if detect the TV off signal, and system enters holding state.

Claims (9)

1. the computer and television integrated machine of modularized design, it comprises the PC system module, the TV system module, power module and display module, the PC system module, the TV system module is connected in parallel with power module and display module respectively, described TV system module comprises tuner, demodulator of PM signal PM, signal decoding encode processor and master chip, the signal decoding encode processor all is connected with demodulator of PM signal PM with tuner with master chip, be provided with the selection diverter switch between described master chip and signal decoding encode processor, master chip is connected with the PC system module respectively with the signal decoding encode processor, it is characterized in that: described PC system module comprises chipset, the EC module, CPU, audio codec module and system audio switching selector, chipset receives the TV signal that the signal decoding encode processor sends over by the signal decoding encode processor in the usb bus connection TV system module; Chipset is connected with the EC module by lpc bus, and the EC module is connected with the TV system module by UART or I2C bus; Chipset connects audio codec module one end by the output of AZALIA standard, the input of audio codec module other end connected system audio switch selector, the system audio switching selector also is provided with the input port of the master chip in the TV system module, the input port of EC module, the system audio switching selector receives the audio signal that audio codec module in the PC system module and the master chip in the TV system module send simultaneously, selects to call wherein a kind of audio signal by the EC module controls; Chipset is connected with CPU with the DMI bus by the FDI bus, and CPU is connected with the TV system module with display module respectively.
2. the computer and television integrated machine of modularized design according to claim 1, it is characterized in that: in the described TV system module, tuner sends to demodulator of PM signal PM, signal decoding encode processor and master chip after the tv rf signal that receives is changed into the medium-frequency IF signal, demodulator of PM signal PM sends to signal decoding encode processor and master chip after with medium-frequency IF signal demodulation process, and the signal decoding encode processor becomes the IF intermediate-freuqncy signal that receives and the signal coding of demodulation process the data TV signal of USB form and sends the PC system module to by the USB line; Master chip receives the signal that the PC system module sends over, and simultaneously the signal of the medium-frequency IF signal that receives and demodulation process is processed into the LVDS signal and sends to display module.
3. the computer and television integrated machine of modularized design according to claim 1, it is characterized in that: in the described PC system module, when being provided with GPU between CPU and display module, CPU directly exports the LVDS signal to display module by GPU, perhaps to master chip output digital video signal or the analog video signal of TV system module.
4. the computer and television integrated machine of modularized design according to claim 1, it is characterized in that: in the described PC system module, when not establishing GPU between CPU and display module, be connected with the TV system module with display module by different modes respectively, the connected mode of CPU and display module is: CPU changes into the LVDS signal by the reservation selection schemer with vision signal and sends display module to by the reservation selection schemer is set between chipset and display module; The connected mode of CPU and TV system module is: CPU passes through chipset directly to TV system module output digital video signal or analog video signal.
5. the computer and television integrated machine of modularized design according to claim 1, it is characterized in that: be provided with the intermediate-freuqncy signal analog signal/audio frequency and video demodulator that is electrically connected successively in the signal decoding encode processor in the described TV system module, audio/video decoder, audio/video coder and system controller, system controller one output connects external memory storage, system controller is finished outside tuner, the control of inner other modules of external signal demodulator and signal decoding encode processor, the configuration information with the signal decoding encode processor is stored in the external memory storage simultaneously.
6. the computer and television integrated machine of modularized design according to claim 1, it is characterized in that: be provided with the intermediate-freuqncy signal analog signal audio frequency and video demodulator that is electrically connected successively in the master chip in the described TV system module, audio/video decoder, standby processor, image processing engine, primary processor CPU, image controller and picture-in-picture controller; Master chip also is connected with memory, random asccess memory respectively; Master chip also is provided with PC system module signal access interface, digital signal interface and video signal input interface.
7. the computer and television integrated machine of modularized design according to claim 1, it is characterized in that: hard disk and ODD that the chipset in the described PC system module connects by the SATA bus, by Web Camera module, Touch Screen module, the Bluetooth module of USB2.0 bus connection; By the WIFI module that the PCIe bus connects, LAN module and USB 3.0 modules; SPI BIOS FLASH module by the connection of UART bus.
8. the computer and television integrated machine of modularized design according to claim 1 is characterized in that: the input connection Line in module of the audio codec module in the described PC system module, output connection Line out module.
9. the computer and television integrated machine of modularized design according to claim 1, it is characterized in that: the system audio switching selector output in the described PC system module connects audio frequency amplifier, the output of audio frequency amplifier connects loudspeaker, the system audio switching selector is selected concrete audio signal, sends to be exported by loudspeaker after audio frequency amplifier amplifies.
CN 201110189563 2011-07-07 2011-07-07 Integrated personal computer-television adopting system modular design Expired - Fee Related CN102256074B (en)

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