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CN201340722Y - Multifunctional vehicular display terminal - Google Patents

Multifunctional vehicular display terminal Download PDF

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Publication number
CN201340722Y
CN201340722Y CNU200820229640XU CN200820229640U CN201340722Y CN 201340722 Y CN201340722 Y CN 201340722Y CN U200820229640X U CNU200820229640X U CN U200820229640XU CN 200820229640 U CN200820229640 U CN 200820229640U CN 201340722 Y CN201340722 Y CN 201340722Y
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mcu microprocessor
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mcu
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陈茹涛
廖伟
许宁
陈义华
徐大勇
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Xiamen Yaxon Networks Co Ltd
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Xiamen Yaxon Networks Co Ltd
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Abstract

The utility model discloses a multifunctional vehicular display terminal, which comprises an MCU microprocessor, a keyboard, a buzzer, a watchdog module, a storage module, a series port communication module, a power source module, an LCD driving module, a TFT LCM module, an internal or external OSD and a video input module. After utilizing the structure, the vehicular display terminal is added with a display function for video information on premise of meeting requirements of universal functions of the existing dispatching, which not only can display word dispatching information but can display video information, thereby achieving the purpose of eliminating defects of the existing universal display terminal to the aspect of displaying dynamic images.

Description

一种多功能的车载显示终端 A Multifunctional Vehicle Display Terminal

技术领域 technical field

本实用新型涉及一种车载显示终端，特别是涉及一种具有显示视频信息和文字调度信息的车载显示设备。The utility model relates to a vehicle-mounted display terminal, in particular to a vehicle-mounted display device capable of displaying video information and text scheduling information.

背景技术 Background technique

目前在市场上出现的车载显示终端，显示模式单一，其结构模式如图1所示，包括用来进行数据分析、计算、处理的MCU微处理器11′、用来实现人机操作交互的键盘12′、用来产生信息提示音的蜂鸣器13′、用来实现对MCU进行复位的看门狗模块14′、用来存储信息以及字库的存储器模块15′、用来显示交互信息的灰度点阵LCM模块16′、用来实现与车台进行数据交换的串口通讯模块17′，用来提供电源的电源模块18′，键盘12′的输出接至MCU微处理器11′，MCU微处理器11′的控制信号输出接至蜂鸣器13′，MCU微处理器11′分别与看门狗模块14′、存储器模块15′、灰度点阵LCM模块16′、串口通讯模块17′相连接，串口通讯模块17′与车台2′相连接，车台2′的电源信号输出接至电源模块18′的输入，电源模块18′的输出接至MCU微处理器11′。其显示终端主要是采用STN黄绿屏或蓝屏、FSTN黑白屏等液晶屏。这种液晶屏内置有驱动电路，只能在终端显示简单的图形或文字信息，对于这样的设备一般通过与车载终端设备即车台2′通讯，获取管理中心下发的调度文字或简单的图形信息，对于显示动态图像则存在着明显的不足，这对于信息多元化的今天来说，这种信息显示量是远远不够的。The vehicle-mounted display terminals that appear on the market at present have a single display mode, and its structural mode is shown in Figure 1, including an MCU microprocessor 11' for data analysis, calculation, and processing, and a keyboard for realizing human-computer interaction 12', a buzzer 13' used to generate information prompts, a watchdog module 14' used to reset the MCU, a memory module 15' used to store information and fonts, and a gray module used to display interactive information The dot matrix LCM module 16', the serial port communication module 17' used to realize data exchange with the vehicle platform, the power supply module 18' used to provide power, the output of the keyboard 12' is connected to the MCU microprocessor 11', and the MCU microprocessor The control signal output of the processor 11' is connected to the buzzer 13', and the MCU microprocessor 11' communicates with the watchdog module 14', the memory module 15', the grayscale dot matrix LCM module 16', and the serial communication module 17' respectively The serial port communication module 17' is connected with the vehicle platform 2', the power signal output of the vehicle platform 2' is connected to the input of the power module 18', and the output of the power module 18' is connected to the MCU microprocessor 11'. Its display terminal mainly adopts LCD screens such as STN yellow-green screen or blue screen, FSTN black and white screen. This kind of LCD screen has a built-in drive circuit, and can only display simple graphics or text information on the terminal. For such devices, the dispatching text or simple graphics issued by the management center is generally obtained by communicating with the vehicle terminal device, that is, the vehicle platform 2′. Information, there is an obvious deficiency in displaying dynamic images, which is far from enough for today's information diversification.

实用新型内容Utility model content

本实用新型的目的在于克服现有技术之不足，提供一种多功能的车载显示终端，在满足现有调度的通用功能的需求的情况下，同时增加了在视频信息方面的显示功能，既能够显示文字调度信息，也能够显示视频信息，消除了现通用显示终端在显示动态图像方面的缺陷。The purpose of the utility model is to overcome the deficiencies of the prior art and provide a multi-functional vehicle-mounted display terminal, which can simultaneously increase the display function of video information while meeting the needs of the general functions of the existing dispatching. It can display text scheduling information, and can also display video information, which eliminates the defects of current general display terminals in displaying dynamic images.

本实用新型解决其技术问题所采用的技术方案是：一种多功能的车载显示终端，包括：The technical solution adopted by the utility model to solve the technical problem is: a multifunctional vehicle-mounted display terminal, comprising:

一MCU微处理器，对输入的信息进行分析、计算、处理，并输出对应的控制信号；An MCU microprocessor, which analyzes, calculates, and processes the input information, and outputs corresponding control signals;

一键盘，其输出与MCU微处理器相连接，向MCU微处理器输出按键触发信号；A keyboard, whose output is connected with the MCU microprocessor, and outputs a key trigger signal to the MCU microprocessor;

一蜂鸣器，其输入与MCU微处理器相连接，接受MCU微处理器的控制信号输出并产生对应的蜂鸣声；A buzzer, whose input is connected to the MCU microprocessor, accepts the control signal output of the MCU microprocessor and generates a corresponding buzzer;

一用来实现对MCU进行复位的看门狗模块，与MCU微处理器相连接；A watchdog module used to reset the MCU, connected to the MCU microprocessor;

一用来存储信息以及字库的存储器模块，与MCU微处理器相连接；A memory module used to store information and fonts, connected to the MCU microprocessor;

一用来实现与车台进行数据交换的串口通讯模块，连接在车台与MCU微处理器之间；A serial port communication module used to realize data exchange with the vehicle platform, connected between the vehicle platform and the MCU microprocessor;

一用来提供电源的电源模块，其输入接至车台的电源输出，其输出接至MCU微处理器的电源输入端；A power module for providing power, its input is connected to the power output of the vehicle platform, and its output is connected to the power input of the MCU microprocessor;

一内置有OSD的LCD驱动模块，与MCU微处理器相连接；An LCD driver module with a built-in OSD, connected to the MCU microprocessor;

一TFT LCM模块，其输入与LCD驱动模块的输出相连接；A TFT LCM module, its input is connected with the output of the LCD driver module;

一视频输入模块，设有用来连接外部视频输入的接口，其输出与LCD驱动模块相连接。A video input module is provided with an interface for connecting external video input, and its output is connected with the LCD driver module.

本实用新型解决其技术问题所采用的另一技术方案是：一种多功能的车载显示终端，包括：Another technical solution adopted by the utility model to solve its technical problems is: a multifunctional vehicle-mounted display terminal, comprising:

一MCU微处理器，对输入的信息进行分析、计算、处理，并输出对应的控制信号；An MCU microprocessor, which analyzes, calculates, and processes the input information, and outputs corresponding control signals;

一键盘，其输出与MCU微处理器相连接，向MCU微处理器输出按键触发信号；A keyboard, whose output is connected with the MCU microprocessor, and outputs a key trigger signal to the MCU microprocessor;

一蜂鸣器，其输入与MCU微处理器相连接，接受MCU微处理器的控制信号输出并产生对应的蜂鸣声；A buzzer, whose input is connected to the MCU microprocessor, accepts the control signal output of the MCU microprocessor and generates a corresponding buzzer;

一用来实现对MCU进行复位的看门狗模块，与MCU微处理器相连接；A watchdog module used to reset the MCU, connected to the MCU microprocessor;

一用来存储信息以及字库的存储器模块，与MCU微处理器相连接；A memory module used to store information and fonts, connected to the MCU microprocessor;

一用来实现与车台进行数据交换的串口通讯模块，连接在车台与MCU微处理器之间；A serial port communication module used to realize data exchange with the vehicle platform, connected between the vehicle platform and the MCU microprocessor;

一用来提供电源的电源模块，其输入接至车台的电源输出，其输出接至MCU微处理器的电源输入端；A power module for providing power, its input is connected to the power output of the vehicle platform, and its output is connected to the power input of the MCU microprocessor;

一LCD驱动模块，与MCU微处理器相连接；An LCD driver module, connected with the MCU microprocessor;

一外置OSD模块，与LCD驱动模块相连接；An external OSD module, connected with the LCD driver module;

一TFT LCM模块，其输入与LCD驱动模块的输出相连接；A TFT LCM module, its input is connected with the output of the LCD driver module;

一视频输入模块，设有用来连接外部视频输入的接口，其输出与LCD驱动模块相连接。A video input module is provided with an interface for connecting external video input, and its output is connected with the LCD driver module.

本实用新型的一种多功能的车载显示终端，是采用TFT液晶屏显示视频信息，并利用OSD功能来显示文字信息。该车载显示终端在与车台连接后，具有车载电话、短信收发、调度广播、信息管理以及视频信息显示等功能。A multifunctional vehicle-mounted display terminal of the utility model adopts a TFT liquid crystal screen to display video information, and utilizes an OSD function to display text information. After the vehicle-mounted display terminal is connected with the vehicle station, it has functions such as vehicle-mounted telephone, short message sending and receiving, dispatching and broadcasting, information management, and video information display.

车载显示终端使用TFT屏的驱动内置或外挂的OSD功能，利用其显示RAM当作文字信息的“帧缓存”，通过“帧缓存”将相关的信息映射显示在TFT屏上。对于“帧缓存”的使用可以使该方案在不同OSD平台下应用，能够很容易地修改移植程序。The vehicle-mounted display terminal uses the built-in or external OSD function of the driver of the TFT screen, uses its display RAM as a "frame buffer" for text information, and maps and displays relevant information on the TFT screen through the "frame buffer". The use of "frame buffer" can make this solution applicable under different OSD platforms, and the transplantation program can be easily modified.

车载显示终端的系统支持中文系统，其字库信息存储在外部的存储器模块中，存储器模块包括Flash、SRAM、EEPROM，该存储器模块采用串行接口，可以节省有限的CPU资源。在拨打电话时，可以显示通话号码以及通话时间等信息，接听来电时可以显示来电号码和通话时间记录，并具有来电铃声提示，同时保存接打信息记录；可以管理常用电话簿添加或删除记录；系统在接收到短信息时，有短信息提示铃声提示以及文字提示，接收到的短信可以显示记录来电号码和时间，同时保存信息内容；对于发送的短信支持中英文发送。系统在接收到中心下发的调度等信息后，会在主界面主动显示调度信息内容，同时保存信息内容；视频显示方面由于采用多路CVBS输入，可以有多种用途组合使用，如连接摄像头、车载DVD、车载流媒体播放器、MP4等，也可以通过外部提供的触发信号自动切换到需要的显示视频信息画面，如倒车时充当可视倒车系统显示视角盲区的情况、开车门时显示车门附近状况等。该系统可以对调度终端的一些配置信息进行修改，并将修改的信息存储保存在外部的存储器模块中，每次系统重启时，会先以这些存储信息优先配置系统的相关参数。The vehicle-mounted display terminal system supports the Chinese system, and its font information is stored in an external memory module. The memory module includes Flash, SRAM, and EEPROM. The memory module uses a serial interface, which can save limited CPU resources. When making a call, it can display the call number and call time and other information, and when answering the call, it can display the call number and call time record, and has a ringtone prompt for the call, and save the record of the incoming and outgoing information at the same time; it can manage the common phone book to add or delete records; When the system receives a short message, there will be a ringtone prompt and a text prompt for the short message. The received short message can display and record the caller number and time, and save the message content at the same time; the sent short message supports Chinese and English sending. After the system receives the scheduling information issued by the center, it will actively display the content of the scheduling information on the main interface and save the content of the information at the same time; in terms of video display, due to the use of multiple CVBS inputs, it can be used in combination for multiple purposes, such as connecting cameras, Car DVD, car streaming media player, MP4, etc., can also automatically switch to the required display video information screen through the trigger signal provided by the outside, such as when reversing, it acts as a visual reversing system to display the blind spot of the viewing angle, and when the door is opened, it displays the vicinity of the door status etc. The system can modify some configuration information of the dispatching terminal, and store the modified information in an external memory module. Every time the system is restarted, the stored information will be used to configure the relevant parameters of the system first.

本实用新型的有益效果是，由于采用了MCU微处理器、键盘、蜂鸣器、看门狗模块、存储器模块、串口通讯模块、电源模块、LCD驱动模块、TFT LCM模块、内置或外置的OSD、视频输入模块来构成多功能的车载显示终端，使该车载显示终端能在满足现有调度的通用功能的需求的情况下，同时增加了在视频信息方面的显示功能，既能够显示文字调度信息，也能够显示视频信息，达到了消除现通用显示终端在显示动态图像方面的缺陷的目的。The beneficial effect of the utility model is that due to the adoption of MCU microprocessor, keyboard, buzzer, watchdog module, memory module, serial port communication module, power supply module, LCD driver module, TFT LCM module, built-in or external OSD and video input module are used to form a multi-functional vehicle-mounted display terminal, so that the vehicle-mounted display terminal can meet the needs of the existing dispatching general functions, and at the same time increase the display function of video information, which can display text dispatching Information can also display video information, achieving the purpose of eliminating the defects of current general display terminals in displaying dynamic images.

以下结合附图及实施例对本实用新型作进一步详细说明；但本实用新型的一种多功能的车载显示终端不局限于实施例。The utility model will be described in further detail below in conjunction with the accompanying drawings and embodiments; however, a multifunctional vehicle-mounted display terminal of the utility model is not limited to the embodiments.

附图说明 Description of drawings

图1是现有通用车载显示终端的结构原理图；Fig. 1 is the structural schematic diagram of existing universal vehicle-mounted display terminal;

图2是实施例一本实用新型的结构原理图；Fig. 2 is the structural principle diagram of embodiment one utility model;

图3是实施例二本实用新型的结构原理图。Fig. 3 is the structural principle diagram of the utility model of the second embodiment.

具体实施方式 Detailed ways

实施例一，参见图2所示，本实用新型的一种多功能的车载显示终端，包括：Embodiment 1, as shown in FIG. 2, a multifunctional vehicle-mounted display terminal of the present invention includes:

一MCU微处理器11，对输入的信息进行分析、计算、处理，并输出对应的控制信号；An MCU microprocessor 11 analyzes, calculates and processes the input information, and outputs corresponding control signals;

一键盘12，其输出与MCU微处理器11相连接，向MCU微处理器11输出按键触发信号；A keyboard 12, its output is connected with the MCU microprocessor 11, and the key trigger signal is output to the MCU microprocessor 11;

一蜂鸣器13，其输入与MCU微处理器11相连接，接受MCU微处理器11的控制信号输出并产生对应的蜂鸣声；One buzzer 13, its input is connected with MCU microprocessor 11, accepts the control signal output of MCU microprocessor 11 and produces corresponding buzzer;

一用来实现对MCU进行复位的看门狗模块14，与MCU微处理器11相连接；A watchdog module 14 used to reset the MCU is connected with the MCU microprocessor 11;

一用来存储信息以及字库的存储器模块15，与MCU微处理器11相连接；A memory module 15 used to store information and fonts is connected with the MCU microprocessor 11;

一用来实现与车台进行数据交换的串口通讯模块16，连接在车台2与MCU微处理器11之间；A serial port communication module 16 for realizing data exchange with the vehicle platform, connected between the vehicle platform 2 and the MCU microprocessor 11;

一用来提供电源的电源模块17，其输入接至车台2的电源输出，其输出接至MCU微处理器11的电源输入端；A power supply module 17 for providing power, its input is connected to the power output of the vehicle platform 2, and its output is connected to the power input of the MCU microprocessor 11;

一内置有OSD的LCD驱动模块18，与MCU微处理器11相连接；An LCD driver module 18 with built-in OSD is connected with the MCU microprocessor 11;

一TFT LCM模块19，其输入与LCD驱动模块18的输出相连接；One TFT LCM module 19, its input is connected with the output of LCD driver module 18;

一视频输入模块20，设有用来连接外部视频输入3的接口，其输出与LCD驱动模块18相连接。A video input module 20 is provided with an interface for connecting to an external video input 3 , and its output is connected to the LCD driver module 18 .

实施例二，参见图3所示，本实用新型的一种多功能的车载显示终端，包括：Embodiment 2, as shown in FIG. 3, a multifunctional vehicle-mounted display terminal of the present invention includes:

一MCU微处理器11，对输入的信息进行分析、计算、处理，并输出对应的控制信号；An MCU microprocessor 11 analyzes, calculates and processes the input information, and outputs corresponding control signals;

一键盘12，其输出与MCU微处理器11相连接，向MCU微处理器11输出按键触发信号；A keyboard 12, its output is connected with the MCU microprocessor 11, and the key trigger signal is output to the MCU microprocessor 11;

一蜂鸣器13，其输入与MCU微处理器11相连接，接受MCU微处理器11的控制信号输出并产生对应的蜂鸣声；One buzzer 13, its input is connected with MCU microprocessor 11, accepts the control signal output of MCU microprocessor 11 and produces corresponding buzzer;

一用来实现对MCU进行复位的看门狗模块14，与MCU微处理器11相连接；A watchdog module 14 used to reset the MCU is connected with the MCU microprocessor 11;

一用来存储信息以及字库的存储器模块15，与MCU微处理器11相连接；A memory module 15 used to store information and fonts is connected with the MCU microprocessor 11;

一用来实现与车台进行数据交换的串口通讯模块16，连接在车台2与MCU微处理器11之间；A serial port communication module 16 for realizing data exchange with the vehicle platform, connected between the vehicle platform 2 and the MCU microprocessor 11;

一用来提供电源的电源模块17，其输入接至车台2的电源输出，其输出接至MCU微处理器11的电源输入端；A power supply module 17 for providing power, its input is connected to the power output of the vehicle platform 2, and its output is connected to the power input of the MCU microprocessor 11;

一LCD驱动模块181，与MCU微处理器11相连接；An LCD driver module 181 is connected with the MCU microprocessor 11;

一外置OSD模块182，与LCD驱动模块181相连接；An external OSD module 182 is connected with the LCD driver module 181;

一TFT LCM模块19，其输入与LCD驱动模块181的输出相连接；One TFT LCM module 19, its input is connected with the output of LCD driver module 181;

一视频输入模块20，设有用来连接外部视频输入3的接口，其输出与LCD驱动模块181相连接。A video input module 20 is provided with an interface for connecting to an external video input 3 , and its output is connected to an LCD driver module 181 .

本实用新型的一种多功能的车载显示终端，是采用TFT液晶屏显示视频信息，并利用OSD功能来显示文字信息。该车载显示终端在与车台2连接后，具有车载电话、短信收发、调度广播、信息管理以及视频信息显示等功能。A multifunctional vehicle-mounted display terminal of the utility model adopts a TFT liquid crystal screen to display video information, and utilizes an OSD function to display text information. After the vehicle-mounted display terminal is connected with the vehicle station 2, it has functions such as vehicle-mounted telephone, short message sending and receiving, scheduling broadcast, information management and video information display.

看门狗看门狗模块14其实是一个定时器电路，一般有一个输入，叫喂狗端，一个输出到MCU的RST端，MCU正常工作的时候，每隔一段时间会输出一个信号到喂狗端，给WDT清零，如果超过规定的时间不喂狗，WDT定时超过，就回给出一个复位信号到MCU，使MCU复位，看门狗模块14的作用就是防止程序发生死循环。Watchdog The watchdog module 14 is actually a timer circuit. Generally, there is one input, called the feeding dog terminal, and one output to the RST terminal of the MCU. When the MCU is working normally, it will output a signal to the feeding dog at regular intervals. If the dog is not fed within the specified time, and the WDT exceeds the timing, a reset signal is sent back to the MCU to reset the MCU. The function of the watchdog module 14 is to prevent the program from infinitely looping.

车载显示终端使用TFT屏的驱动内置或外挂的OSD功能，利用其显示RAM当作文字信息的“帧缓存”，通过“帧缓存”将相关的信息映射显示在TFT屏上。对于“帧缓存”的使用可以使该方案在不同OSD平台下应用，能够很容易地修改移植程序。The vehicle-mounted display terminal uses the built-in or external OSD function of the driver of the TFT screen, uses its display RAM as a "frame buffer" for text information, and maps and displays relevant information on the TFT screen through the "frame buffer". The use of "frame buffer" can make this solution applicable under different OSD platforms, and the transplantation program can be easily modified.

车载显示终端的系统支持中文系统，其字库信息存储在外部的存储器模块15中，存储器模块15包括Flash、SRAM、EEPROM，该存储器模块15采用串行接口，可以节省有限的CPU资源。在拨打电话时，可以显示通话号码以及通话时间等信息，接听来电时可以显示来电号码和通话时间记录，并具有来电铃声提示，同时保存接打信息记录；可以管理常用电话簿添加或删除记录；系统在接收到短信息时，有短信息提示铃声提示以及文字提示，接收到的短信可以显示记录来电号码和时间，同时保存信息内容；对于发送的短信支持中英文发送。系统在接收到中心下发的调度等信息后，会在主界面主动显示调度信息内容，同时保存信息内容；视频显示方面由于采用多路CVBS输入，可以有多种用途组合使用，如连接摄像头、车载DVD、车载流媒体播放器、MP4等，也可以通过外部提供的触发信号自动切换到需要的显示视频信息画面，如倒车时充当可视倒车系统显示视角盲区的情况、开车门时显示车门附近状况等。该系统可以对调度终端的一些配置信息进行修改，并将修改的信息存储保存在外部的存储器模块中，每次系统重启时，会先以这些存储信息优先配置系统的相关参数。The system of the vehicle-mounted display terminal supports the Chinese system, and its font information is stored in the external memory module 15. The memory module 15 includes Flash, SRAM, and EEPROM. The memory module 15 adopts a serial interface, which can save limited CPU resources. When making a call, it can display the call number and call time and other information, and when answering the call, it can display the call number and call time record, and has a ringtone prompt for the call, and save the record of the incoming and outgoing information at the same time; it can manage the common phone book to add or delete records; When the system receives a short message, there will be a ringtone prompt and a text prompt for the short message. The received short message can display and record the caller number and time, and save the message content at the same time; the sent short message supports Chinese and English sending. After the system receives the scheduling information issued by the center, it will actively display the content of the scheduling information on the main interface and save the content of the information at the same time; in terms of video display, due to the use of multiple CVBS inputs, it can be used in combination for multiple purposes, such as connecting cameras, Car DVD, car streaming media player, MP4, etc., can also automatically switch to the required display video information screen through the trigger signal provided by the outside, such as when reversing, it acts as a visual reversing system to display the blind spot of the viewing angle, and when the door is opened, it displays the vicinity of the door status etc. The system can modify some configuration information of the dispatching terminal, and store the modified information in an external memory module. Every time the system is restarted, the stored information will be used to configure the relevant parameters of the system first.

上述实施例仅用来进一步说明本实用新型的一种多功能的车载显示终端，但本实用新型并不局限于实施例，凡是依据本实用新型的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均属本实用新型的保护范围内。The foregoing embodiments are only used to further illustrate a multifunctional vehicle-mounted display terminal of the present invention, but the present invention is not limited to the embodiments, and any simple modifications made to the above embodiments according to the technical essence of the present invention, Equivalent changes and modifications all belong to the protection scope of the present utility model.

Claims (2)

1. multi-functional vehicle-mounted display terminal is characterized in that: comprising:
One MCU microprocessor is analyzed, calculates, is handled the information of input, and the corresponding control signal of output;
One keyboard, its output is connected with the MCU microprocessor, to MCU microprocessor output key trigger pip;
One hummer, its input is connected with the MCU microprocessor, accepts the output of MCU microprocessor control signal and produces corresponding buzzer;
One is used for realizing being connected watchdog module that MCU is resetted with the MCU microprocessor;
One memory module that is used for canned data and character library is connected with the MCU microprocessor;
One is used for realizing carrying out with ride the serial communication module of exchanges data, is connected between ride and the MCU microprocessor;
One is used to provide the power module of power supply, and its input is connected to the power supply output of ride, and its output is connected to the power input of MCU microprocessor;
One is built-in with the LCD driver module of OSD, is connected with the MCU microprocessor;
One TFT LCM module, its input is connected with the output of LCD driver module;
One video input module is provided with the interface that is used for connecting the external video input, and its output is connected with the LCD driver module.
2. multi-functional vehicle-mounted display terminal is characterized in that: comprising:
One MCU microprocessor is analyzed, calculates, is handled the information of input, and the corresponding control signal of output;
One keyboard, its output is connected with the MCU microprocessor, to MCU microprocessor output key trigger pip;
One hummer, its input is connected with the MCU microprocessor, accepts the output of MCU microprocessor control signal and produces corresponding buzzer;
One is used for realizing being connected watchdog module that MCU is resetted with the MCU microprocessor;
One memory module that is used for canned data and character library is connected with the MCU microprocessor;
One is used for realizing carrying out with ride the serial communication module of exchanges data, is connected between ride and the MCU microprocessor;
One is used to provide the power module of power supply, and its input is connected to the power supply output of ride, and its output is connected to the power input of MCU microprocessor;
One LCD driver module is connected with the MCU microprocessor;
One external OSD module is connected with the LCD driver module;
One TFT LCM module, its input is connected with the output of LCD driver module;
One video input module is provided with the interface that is used for connecting the external video input, and its output is connected with the LCD driver module.
CNU200820229640XU 2008-12-26 2008-12-26 Multifunctional vehicular display terminal Expired - Lifetime CN201340722Y (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104409062A (en) * 2014-12-26 2015-03-11 东莞通华液晶有限公司 Serial port TFT (thin film transistor) intelligent display terminal and method of updating data by using same
CN106143290A (en) * 2015-04-26 2016-11-23 魏煜晴 Display device for mounting on vehicle and display packing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104409062A (en) * 2014-12-26 2015-03-11 东莞通华液晶有限公司 Serial port TFT (thin film transistor) intelligent display terminal and method of updating data by using same
CN106143290A (en) * 2015-04-26 2016-11-23 魏煜晴 Display device for mounting on vehicle and display packing

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