CN116954114A - MCU controller with LCD drive - Google Patents
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- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/76—Architectures of general purpose stored program computers
- G06F15/78—Architectures of general purpose stored program computers comprising a single central processing unit
- G06F15/7839—Architectures of general purpose stored program computers comprising a single central processing unit with memory
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- G05B19/00—Programme-control systems
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- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
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- G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
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- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/30—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
- G06F1/305—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations in the event of power-supply fluctuations
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- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
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- G06F15/78—Architectures of general purpose stored program computers comprising a single central processing unit
- G06F15/7839—Architectures of general purpose stored program computers comprising a single central processing unit with memory
- G06F15/7842—Architectures of general purpose stored program computers comprising a single central processing unit with memory on one IC chip (single chip microcontrollers)
- G06F15/7846—On-chip cache and off-chip main memory
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
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- G06F15/7839—Architectures of general purpose stored program computers comprising a single central processing unit with memory
- G06F15/7842—Architectures of general purpose stored program computers comprising a single central processing unit with memory on one IC chip (single chip microcontrollers)
- G06F15/7853—Architectures of general purpose stored program computers comprising a single central processing unit with memory on one IC chip (single chip microcontrollers) including a ROM
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- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
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Abstract
Description
技术领域Technical field
本发明属于MCU控制器技术领域，具体涉及一种带有LCD驱动的MCU控制器。The invention belongs to the technical field of MCU controllers, and specifically relates to an MCU controller with an LCD driver.
背景技术Background technique
微控制单元，又称单片微型计算机或者单片机，是把中央处理器的频率与规格做适当缩减，并将内存(memory)、计数器(Timer)、USB、A/D转换、UART、PLC、DMA等周边接口，甚至LCD驱动电路都整合在单一芯片上，形成芯片级的计算机，为不同的应用场合做不同组合控制。诸如手机、PC外围、遥控器，至汽车电子、工业上的步进马达、机器手臂的控制等，都可见到MCU的身影，MCU集成了片上外围器件；MCU则适合不同信息源的多种数据的处理诊断和运算，侧重于控制，然而市面上各种的MCU控制器仍存在各种各样的问题。Microcontroller unit, also known as single-chip microcomputer or single-chip microcomputer, appropriately reduces the frequency and specifications of the central processor, and combines memory, counter (Timer), USB, A/D conversion, UART, PLC, DMA Peripheral interfaces and even LCD drive circuits are integrated on a single chip to form a chip-level computer that can perform different combinations of controls for different applications. MCUs can be seen in applications such as mobile phones, PC peripherals, remote controls, automotive electronics, industrial stepper motors, and robot arm controls. MCUs integrate on-chip peripheral devices; MCUs are suitable for a variety of data from different information sources. The processing, diagnosis and calculation focus on control. However, various MCU controllers on the market still have various problems.
如授权公告号为CN202838325U所公开的一种MCU芯片，其虽然实现了配合相应的上电执行流程以及程序烧录方式，可以克服所提到的程序区与数据区容量固定的局限性，同时解决可擦写非易失性存储器读取性能低的不足导致程序执行效率受到影响的问题，并可提升芯片生产制造成品率，降低成本；能够很好地被设计者掌握并应用到实际设计中，但是并未解决现有MCU芯片存在的无法自我安全检测，容易造成系统的不稳定的运行，并且无法实现有效的驱动控制调节，造成MCU的运行容易出现故障等的问题，为此我们提出一种带有LCD驱动的MCU控制器。For example, the MCU chip disclosed with the authorization announcement number CN202838325U, although it implements the corresponding power-on execution process and program burning method, can overcome the mentioned limitations of the fixed capacity of the program area and data area, and at the same time solve the problem of The low read performance of rewritable non-volatile memory leads to the problem of affecting program execution efficiency, and can improve chip manufacturing yield and reduce costs; it can be well mastered by designers and applied to actual designs. However, it does not solve the problem that the existing MCU chip cannot self-safely detect, which can easily cause unstable operation of the system, and cannot achieve effective drive control adjustment, causing the operation of the MCU to easily malfunction. For this reason, we propose a MCU controller with LCD driver.
发明内容Contents of the invention
本发明的目的在于提供一种带有LCD驱动的MCU控制器，以解决上述背景技术中提出的问题。The purpose of the present invention is to provide an MCU controller with an LCD driver to solve the problems raised in the above background technology.
为实现上述目的，本发明提供如下技术方案：一种带有LCD驱动的MCU控制器，包括有MCU，所述MCU上电性连接有VLCD稳压电路，所述VLCD稳压电路用于在输入的电压波动或负载发生改变时仍能保持输出电压基本不变的电源电路，实现对所述MCU进行稳定的供电运行，所述MCU上电性连接有IR驱动电路，所述IR驱动电路位于主电路和控制电路之间，用来对控制电路的信号进行放大的中间电路，即放大控制电路的信号使其能够驱动功率晶体管，所述MCU上电性连接有电压检测电路，所述电压检测电路旨在保障电路得工作电源电压在特定安全范围以内，若工作电源危及器件得安全时，实施故障报警、使制动电路投入工作、停机保护措施，此外，少数机型还有对输出电压得检测，保持电路的安全性运行，所述MCU上电性连接有内置RC震荡，所述内置RC震荡用来产生1Hz-1MHz范围的低频率信号，用作产生波形输出，所述MCU上电性连接有LCD显示，所述LCD显示用于实现对数据信息进行显示，所述MCU上电性连接有存储器组，所述存储器组用于实现对数据信息进行存储处理，所述存储器组中包括有含OTP ROM和SRAM，所述OTP ROM用于实现对系统的运行程序体进行存储，所述SRAM用于实现对系统的运行日志进行存储，实现对数据信息进行分类存储，提高数据信息的存储速率和提取速率，防止数据信息发生混乱，所述MCU在运行的使用的时候，工作电压在2.0V-3.6V，且待机电流约5-25uA，所述MCU上电性连接有I/O端口，所述I/O端口用于实现对外置的设备进行电性连接，并且实现对数据信息进行烧录和数据的传输，所述I/O端口中包括有4组可编程I/O端口。In order to achieve the above object, the present invention provides the following technical solution: an MCU controller with LCD driver, including an MCU, the MCU is electrically connected to a VLCD voltage stabilizing circuit, and the VLCD voltage stabilizing circuit is used to input A power supply circuit that can keep the output voltage basically unchanged when the voltage fluctuates or the load changes, so as to realize stable power supply operation of the MCU. The MCU is electrically connected to an IR drive circuit, and the IR drive circuit is located in the main Between the circuit and the control circuit, an intermediate circuit is used to amplify the signal of the control circuit, that is, to amplify the signal of the control circuit so that it can drive the power transistor. The MCU is electrically connected to a voltage detection circuit, and the voltage detection circuit It is designed to ensure that the working power supply voltage of the circuit is within a specific safety range. If the working power supply endangers the safety of the device, fault alarms, braking circuits are put into operation, and shutdown protection measures are implemented. In addition, a few models also detect the output voltage. , to maintain the safe operation of the circuit, the MCU is electrically connected with a built-in RC oscillation. The built-in RC oscillation is used to generate a low-frequency signal in the 1Hz-1MHz range, which is used to generate waveform output. The MCU is electrically connected. There is an LCD display, and the LCD display is used to display data information. The MCU is electrically connected to a memory group, and the memory group is used to store and process data information. The memory group includes OTP ROM and SRAM. The OTP ROM is used to store the running program body of the system. The SRAM is used to store the running log of the system, classify and store data information, and improve the storage rate of data information. Extraction rate to prevent confusion of data information. When the MCU is running, the working voltage is 2.0V-3.6V, and the standby current is about 5-25uA. The MCU is connected to an I/O port when it is powered on. The I/O ports are used to electrically connect external devices, and to program and transmit data information. The I/O ports include 4 groups of programmable I/O ports.
优选的，所述IR驱动电路用于实现对所述LCD显示进行驱动，所述IR驱动电路包括有以下三种类型6COM*14SEG，1/3bias、5COM*15SEG，1/3bias和4COM*16SEG，1/3bias，且1/3bias表示1/3偏压，就是指LCD的COM与SEG引脚的电压输出最小分度为1/3Vlcd，实际每个引脚输出的电压为0、1/3Vlcd、2/3Vlcd或者是Vlcd。Preferably, the IR drive circuit is used to drive the LCD display. The IR drive circuit includes the following three types: 6COM*14SEG, 1/3bias, 5COM*15SEG, 1/3bias and 4COM*16SEG. 1/3bias, and 1/3bias means 1/3 bias, which means that the minimum division of the voltage output of the LCD's COM and SEG pins is 1/3Vlcd. The actual voltage output by each pin is 0, 1/3Vlcd, 2/3Vlcd or Vlcd.
优选的，所述MCU中还内置有LCD升压电路，所述LCD升压电路的输出电压2.5V-3.5V范围，且成8档选择设定，支持不同规格玻璃的所述LCD显示，且玻璃显示亮度保持一致，不随电池电压变化，升压无需外接电容。Preferably, the MCU also has a built-in LCD boost circuit. The output voltage of the LCD boost circuit is in the range of 2.5V-3.5V and can be set in 8 levels to support the LCD display of different specifications of glass. The brightness of the glass display remains consistent and does not change with the battery voltage, and no external capacitor is needed to boost the voltage.
优选的，所述内置RC震荡是内建8MHz振荡电路，频偏范围在≤±1.5％，内建低速振荡器支持0.5S/0.125S唤醒，频偏≤±2.0％，并且外接XTAL32768Hz晶振，支持免谐振电容应用。Preferably, the built-in RC oscillator is a built-in 8MHz oscillation circuit with a frequency deviation range of ≤±1.5%. The built-in low-speed oscillator supports 0.5S/0.125S wake-up with a frequency deviation of ≤±2.0%. The external XTAL32768Hz crystal oscillator supports Resonant capacitor-free applications.
优选的，所述MCU内置有红外发射驱动电路，所述红外发射驱动电路的基本信息如下所示：IOL＝500mA@VDD＝3.0V，VOL＝0.6V。Preferably, the MCU has a built-in infrared emission driving circuit, and the basic information of the infrared emission driving circuit is as follows: IOL=500mA@VDD=3.0V, VOL=0.6V.
优选的，所述电压检测电路包括有三级电压检测，分别为2.2V、2.5V和2.8V，并且支持4级堆栈，还设油1个8bit定时器，实现安全电压检测，保持系统的稳定运行和安全性。Preferably, the voltage detection circuit includes three levels of voltage detection, which are 2.2V, 2.5V and 2.8V respectively, and supports a 4-level stack. It is also equipped with an 8-bit timer to achieve safe voltage detection and maintain the stability of the system. Operation and security.
优选的，所述MCU采用了三种复位条件，且三种复位调节分别为上电复位、低电压复位和看门狗溢出复位，所述低电压复位的电压值在1.6V。Preferably, the MCU adopts three reset conditions, and the three reset adjustments are power-on reset, low voltage reset and watchdog overflow reset. The voltage value of the low voltage reset is 1.6V.
优选的，该LCD驱动的MCU控制器包括有多种封装形式，支持脱机烧写，且多种封装形式包括有ADKT24P24S，SSOP24-0.635mm和ADKT24P24M，SOP24-1.0mm、ADKT24P24L，SOP24-1.0mm和ADKT24P15，SOP16-1.27mm，所述ADKT24P24M，SOP24-1.0mm形式的MCU控制器为窄体控制器，所述ADKT24P24L，SOP24-1.0mm形式的MCU控制器为宽体控制器。Preferably, the LCD driver MCU controller includes a variety of packaging forms, supports offline programming, and the multiple packaging forms include ADKT24P24S, SSOP24-0.635mm and ADKT24P24M, SOP24-1.0mm, ADKT24P24L, SOP24-1.0mm And ADKT24P15, SOP16-1.27mm, the ADKT24P24M, SOP24-1.0mm form MCU controller is a narrow body controller, and the ADKT24P24L, SOP24-1.0mm form MCU controller is a wide body controller.
优选的，该LCD驱动的MCU控制器的一种运用电路；Preferably, an application circuit of the LCD driven MCU controller;
包括有MCU控制器，所述MCU控制器上电性连接有LCD Panel，所述MCU控制器的VDD引脚和REM引脚之间电性连接有发光二极管IR LED，所述MCU控制器的VDD引脚上电性连接有一个电源，所述MCU控制器的VDD引脚上电性连接电容C1，所述电容C1的另一侧电性连接有另一个电源，所述MCU控制器的VSS引脚电性接地，所述MCU控制器的另一侧电性连接若干控制按键。It includes an MCU controller, the MCU controller is electrically connected to an LCD Panel, a light-emitting diode IR LED is electrically connected between the VDD pin and the REM pin of the MCU controller, and the VDD of the MCU controller The pin is electrically connected to a power supply, the VDD pin of the MCU controller is electrically connected to a capacitor C1, the other side of the capacitor C1 is electrically connected to another power supply, and the VSS pin of the MCU controller is electrically connected to a power supply. The pin is electrically grounded, and the other side of the MCU controller is electrically connected to several control buttons.
优选的，该LCD驱动的MCU控制器的另一种运用电路；Preferably, another application circuit of the LCD driven MCU controller;
包括有MCU控制器，所述MCU控制器上电性连接有LCD Panel，所述MCU控制器的VDD引脚和REM引脚之间电性连接有发光二极管IR LED，所述MCU控制器的VDD引脚上电性连接有一个电源，所述MCU控制器的VDD引脚上电性连接电容C1，所述电容C1的另一侧电性连接有另一个电源，所述MCU控制器的VSS引脚电性接地，所述MCU控制器的另一侧电性连接若干控制按键，所述MCU控制器的SEG0引脚和SEG1引脚之间电性连接有晶振。It includes an MCU controller, the MCU controller is electrically connected to an LCD Panel, a light-emitting diode IR LED is electrically connected between the VDD pin and the REM pin of the MCU controller, and the VDD of the MCU controller The pin is electrically connected to a power supply, the VDD pin of the MCU controller is electrically connected to a capacitor C1, the other side of the capacitor C1 is electrically connected to another power supply, and the VSS pin of the MCU controller is electrically connected to a power supply. The pin is electrically grounded, the other side of the MCU controller is electrically connected to several control buttons, and a crystal oscillator is electrically connected between the SEG0 pin and the SEG1 pin of the MCU controller.
与现有技术相比，本发明的有益效果是：Compared with the prior art, the beneficial effects of the present invention are:
本发明是一款带LCD显示驱动的高性能4位MCU，包含4KW OTP ROM、224BSRAM、19个I/O端口、最多支持84点LCD显示，内置RC震荡、IR驱动电路、VLCD稳压电路及电压检测电路，主要应用于带LCD屏的红外遥控器产品。The invention is a high-performance 4-bit MCU with LCD display driver, including 4KW OTP ROM, 224BSRAM, 19 I/O ports, supporting up to 84-point LCD display, built-in RC oscillation, IR drive circuit, VLCD voltage stabilizing circuit and Voltage detection circuit is mainly used in infrared remote control products with LCD screen.
VLCD稳压电路用于在输入的电压波动或负载发生改变时仍能保持输出电压基本不变的电源电路，实现对所述MCU进行稳定的供电运行，IR驱动电路位于主电路和控制电路之间，用来对控制电路的信号进行放大的中间电路，即放大控制电路的信号使其能够驱动功率晶体管，电压检测电路旨在保障电路得工作电源电压在特定安全范围以内，内置RC震荡用来产生1Hz-1MHz范围的低频率信号，用作产生波形输出，LCD显示用于实现对数据信息进行显示，存储器组用于实现对数据信息进行存储处理。The VLCD voltage stabilizing circuit is a power supply circuit that can keep the output voltage basically unchanged when the input voltage fluctuates or the load changes, to achieve stable power supply operation for the MCU. The IR drive circuit is located between the main circuit and the control circuit. , an intermediate circuit used to amplify the signal of the control circuit, that is, amplify the signal of the control circuit so that it can drive the power transistor. The voltage detection circuit is designed to ensure that the working power supply voltage of the circuit is within a specific safe range. The built-in RC oscillation is used to generate The low-frequency signal in the range of 1Hz-1MHz is used to generate waveform output, the LCD display is used to display data information, and the memory group is used to store and process data information.
附图说明Description of the drawings
图1为本发明的结构示意图；Figure 1 is a schematic structural diagram of the present invention;
图2为本发明的第一种封装示意图；Figure 2 is a schematic diagram of the first package of the present invention;
图3为本发明的第二种封装示意图；Figure 3 is a schematic diagram of the second package of the present invention;
图4为本发明的第一种运用示意图；Figure 4 is a schematic diagram of the first application of the present invention;
图5为本发明的第二种运用示意图；Figure 5 is a schematic diagram of the second application of the present invention;
图6为本发明的MCU封装结构示意图；Figure 6 is a schematic diagram of the MCU packaging structure of the present invention;
图7为本发明的MCU封装尺寸示意图。Figure 7 is a schematic diagram of the MCU package size of the present invention.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.
请参阅图1-图7，本发明提供一种技术方案：一种带有LCD驱动的MCU控制器，包括有MCU，所述MCU上电性连接有VLCD稳压电路，所述VLCD稳压电路用于在输入的电压波动或负载发生改变时仍能保持输出电压基本不变的电源电路，实现对所述MCU进行稳定的供电运行，所述MCU上电性连接有IR驱动电路，所述IR驱动电路位于主电路和控制电路之间，用来对控制电路的信号进行放大的中间电路，即放大控制电路的信号使其能够驱动功率晶体管，所述MCU上电性连接有电压检测电路，所述电压检测电路旨在保障电路得工作电源电压在特定安全范围以内，若工作电源危及器件得安全时，实施故障报警、使制动电路投入工作、停机保护措施，此外，少数机型还有对输出电压得检测，保持电路的安全性运行，所述MCU上电性连接有内置RC震荡，所述内置RC震荡用来产生1Hz-1MHz范围的低频率信号，用作产生波形输出，所述MCU上电性连接有LCD显示，所述LCD显示用于实现对数据信息进行显示，所述MCU上电性连接有存储器组，所述存储器组用于实现对数据信息进行存储处理，所述存储器组中包括有含OTP ROM和SRAM，所述OTP ROM用于实现对系统的运行程序体进行存储，所述SRAM用于实现对系统的运行日志进行存储，实现对数据信息进行分类存储，提高数据信息的存储速率和提取速率，防止数据信息发生混乱，所述MCU在运行的使用的时候，工作电压在2.0V-3.6V，且待机电流约5-25uA，所述MCU上电性连接有I/O端口，所述I/O端口用于实现对外置的设备进行电性连接，并且实现对数据信息进行烧录和数据的传输，所述I/O端口中包括有4组可编程I/O端口。Please refer to Figures 1 to 7. The present invention provides a technical solution: an MCU controller with LCD driver, including an MCU. The MCU is electrically connected to a VLCD voltage stabilizing circuit. The VLCD voltage stabilizing circuit It is a power supply circuit that can maintain the output voltage basically unchanged when the input voltage fluctuates or the load changes, so as to realize stable power supply operation of the MCU. The MCU is electrically connected to an IR drive circuit, and the IR The drive circuit is located between the main circuit and the control circuit. It is an intermediate circuit used to amplify the signal of the control circuit, that is, amplify the signal of the control circuit so that it can drive the power transistor. The MCU is electrically connected to a voltage detection circuit, so The voltage detection circuit mentioned above is designed to ensure that the working power supply voltage of the circuit is within a specific safe range. If the working power supply endangers the safety of the device, it will implement fault alarm, put the braking circuit into operation, and shut down protection measures. In addition, a few models have The output voltage must be detected to maintain the safe operation of the circuit. The MCU is electrically connected with a built-in RC oscillation. The built-in RC oscillation is used to generate a low-frequency signal in the range of 1Hz-1MHz, which is used to generate waveform output. The MCU An LCD display is electrically connected to the MCU, and the LCD display is used to display data information. The MCU is electrically connected to a memory group, and the memory group is used to store and process data information. The memory group It includes OTP ROM and SRAM. The OTP ROM is used to store the running program body of the system. The SRAM is used to store the running log of the system, classify and store data information, and improve data information. The storage rate and retrieval rate prevent confusion of data information. When the MCU is running, the working voltage is 2.0V-3.6V, and the standby current is about 5-25uA. The MCU is electrically connected with I/ O port, the I/O port is used to electrically connect external devices, and to burn data information and transmit data. The I/O port includes 4 groups of programmable I/O port.
为了实现对系统进行有效的驱动控制，实现对LCD显示进行驱动控制，本实施例中，优选的，所述IR驱动电路用于实现对所述LCD显示进行驱动，所述IR驱动电路包括有以下三种类型6COM*14SEG，1/3bias、5COM*15SEG，1/3bias和4COM*16SEG，1/3bias，且1/3bias表示1/3偏压，就是指LCD的COM与SEG引脚的电压输出最小分度为1/3Vlcd，实际每个引脚输出的电压为0、1/3Vlcd、2/3Vlcd或者是Vlcd。In order to achieve effective drive control of the system and drive control of the LCD display, in this embodiment, preferably, the IR drive circuit is used to drive the LCD display, and the IR drive circuit includes the following Three types: 6COM*14SEG, 1/3bias, 5COM*15SEG, 1/3bias and 4COM*16SEG, 1/3bias, and 1/3bias means 1/3 bias, which refers to the voltage output of the COM and SEG pins of the LCD The minimum division is 1/3Vlcd, and the actual voltage output by each pin is 0, 1/3Vlcd, 2/3Vlcd or Vlcd.
为了实现对LCD显示进行供电驱动，本实施例中，优选的，所述MCU中还内置有LCD升压电路，所述LCD升压电路的输出电压2.5V-3.5V范围，且成8档选择设定，支持不同规格玻璃的所述LCD显示，且玻璃显示亮度保持一致，不随电池电压变化，升压无需外接电容。In order to realize the power supply driving of the LCD display, in this embodiment, preferably, the MCU also has a built-in LCD boost circuit. The output voltage of the LCD boost circuit is in the range of 2.5V-3.5V and can be selected in 8 levels. Settings support the LCD display of different specifications of glass, and the brightness of the glass display remains consistent and does not change with the battery voltage. No external capacitor is required for voltage boosting.
为了实现对系统进行波形输出，本实施例中，优选的，所述内置RC震荡是内建8MHz振荡电路，频偏范围在≤±1.5％，内建低速振荡器支持0.5S/0.125S唤醒，频偏≤±2.0％，并且外接XTAL32768Hz晶振，支持免谐振电容应用。In order to realize waveform output to the system, in this embodiment, preferably, the built-in RC oscillator is a built-in 8MHz oscillation circuit with a frequency deviation range of ≤±1.5%, and the built-in low-speed oscillator supports 0.5S/0.125S wake-up. The frequency deviation is ≤±2.0%, and the external XTAL32768Hz crystal oscillator supports resonance capacitor-free applications.
为了实现对MCU进行红外接收和传输，本实施例中，优选的，所述MCU内置有红外发射驱动电路，所述红外发射驱动电路的基本信息如下所示：IOL＝500mA@VDD＝3.0V，VOL＝0.6V。In order to realize infrared reception and transmission to the MCU, in this embodiment, preferably, the MCU has a built-in infrared emission drive circuit. The basic information of the infrared emission drive circuit is as follows: IOL=500mA@VDD=3.0V, VOL=0.6V.
为了实现对电压进行有效的检测，保持系统的供电安全性，本实施例中，优选的，所述电压检测电路包括有三级电压检测，分别为2.2V、2.5V和2.8V，并且支持4级堆栈，还设油1个8bit定时器，实现安全电压检测，保持系统的稳定运行和安全性。In order to achieve effective voltage detection and maintain the power supply security of the system, in this embodiment, preferably, the voltage detection circuit includes three levels of voltage detection, which are 2.2V, 2.5V and 2.8V respectively, and supports 4 The level stack is also equipped with an 8-bit timer to realize safe voltage detection and maintain the stable operation and safety of the system.
为了实现对MCU进行复位控制操作，提高系统的运行精准度，本实施例中，优选的，所述MCU采用了三种复位条件，且三种复位调节分别为上电复位、低电压复位和看门狗溢出复位，所述低电压复位的电压值在1.6V。In order to realize the reset control operation of the MCU and improve the operation accuracy of the system, in this embodiment, preferably, the MCU adopts three reset conditions, and the three reset adjustments are power-on reset, low voltage reset and watch. Watchdog overflow reset, the voltage value of the low voltage reset is 1.6V.
为了实行对MCU进行封装处理，实现对各个电路进行集成封装，并且为了使用多种形式的使用，采用多种封装形式，本实施例中，优选的，该LCD驱动的MCU控制器包括有多种封装形式，支持脱机烧写，且多种封装形式包括有ADKT24P24S，SSOP24-0.635mm和ADKT24P24M，SOP24-1.0mm、ADKT24P24L，SOP24-1.0mm和ADKT24P15，SOP16-1.27mm，所述ADKT24P24M，SOP24-1.0mm形式的MCU控制器为窄体控制器，所述ADKT24P24L，SOP24-1.0mm形式的MCU控制器为宽体控制器。In order to implement the packaging process of the MCU, realize the integrated packaging of each circuit, and to use a variety of forms of use, a variety of packaging forms are adopted. In this embodiment, preferably, the LCD-driven MCU controller includes a variety of The packaging form supports offline programming, and the various packaging forms include ADKT24P24S, SSOP24-0.635mm and ADKT24P24M, SOP24-1.0mm, ADKT24P24L, SOP24-1.0mm and ADKT24P15, SOP16-1.27mm, the ADKT24P24M, SOP24- The 1.0mm MCU controller is a narrow-body controller, and the ADKT24P24L and SOP24-1.0mm MCU controllers are wide-body controllers.
为了实现对MCU进行运用使用，本实施例中，优选的，该LCD驱动的MCU控制器的一种运用电路；In order to implement the use of MCU, in this embodiment, preferably, an application circuit of the LCD driven MCU controller;
包括有MCU控制器，所述MCU控制器上电性连接有LCD Panel，所述MCU控制器的VDD引脚和REM引脚之间电性连接有发光二极管IR LED，所述MCU控制器的VDD引脚上电性连接有一个电源，所述MCU控制器的VDD引脚上电性连接电容C1，所述电容C1的另一侧电性连接有另一个电源，所述MCU控制器的VSS引脚电性接地，所述MCU控制器的另一侧电性连接若干控制按键。It includes an MCU controller, the MCU controller is electrically connected to an LCD Panel, a light-emitting diode IR LED is electrically connected between the VDD pin and the REM pin of the MCU controller, and the VDD of the MCU controller The pin is electrically connected to a power supply, the VDD pin of the MCU controller is electrically connected to a capacitor C1, the other side of the capacitor C1 is electrically connected to another power supply, and the VSS pin of the MCU controller is electrically connected to a power supply. The pin is electrically grounded, and the other side of the MCU controller is electrically connected to several control buttons.
为了实现对MCU进行运用使用，本实施例中，优选的，该LCD驱动的MCU控制器的另一种运用电路；In order to implement the use of MCU, in this embodiment, it is preferred to use another application circuit of the LCD driven MCU controller;
包括有MCU控制器，所述MCU控制器上电性连接有LCD Panel，所述MCU控制器的VDD引脚和REM引脚之间电性连接有发光二极管IR LED，所述MCU控制器的VDD引脚上电性连接有一个电源，所述MCU控制器的VDD引脚上电性连接电容C1，所述电容C1的另一侧电性连接有另一个电源，所述MCU控制器的VSS引脚电性接地，所述MCU控制器的另一侧电性连接若干控制按键，所述MCU控制器的SEG0引脚和SEG1引脚之间电性连接有晶振。It includes an MCU controller, the MCU controller is electrically connected to an LCD Panel, a light-emitting diode IR LED is electrically connected between the VDD pin and the REM pin of the MCU controller, and the VDD of the MCU controller The pin is electrically connected to a power supply, the VDD pin of the MCU controller is electrically connected to a capacitor C1, the other side of the capacitor C1 is electrically connected to another power supply, and the VSS pin of the MCU controller is electrically connected to a power supply. The pin is electrically grounded, the other side of the MCU controller is electrically connected to several control buttons, and a crystal oscillator is electrically connected between the SEG0 pin and the SEG1 pin of the MCU controller.
本发明的工作原理及使用流程：在使用的时候，VLCD稳压电路用于在输入的电压波动或负载发生改变时仍能保持输出电压基本不变的电源电路，实现对MCU进行稳定的供电运行，IR驱动电路位于主电路和控制电路之间，用来对控制电路的信号进行放大的中间电路，即放大控制电路的信号使其能够驱动功率晶体管，电压检测电路旨在保障电路得工作电源电压在特定安全范围以内，若工作电源危及器件得安全时，实施故障报警、使制动电路投入工作、停机保护措施，此外，少数机型还有对输出电压得检测，保持电路的安全性运行，内置RC震荡用来产生1Hz-1MHz范围的低频率信号，用作产生波形输出，LCD显示用于实现对数据信息进行显示，存储器组用于实现对数据信息进行存储处理，存储器组中包括有含OTP ROM和SRAM，OTP ROM用于实现对系统的运行程序体进行存储，SRAM用于实现对系统的运行日志进行存储，实现对数据信息进行分类存储，提高数据信息的存储速率和提取速率，防止数据信息发生混乱，MCU在运行的使用的时候，工作电压在2.0V-3.6V，且待机电流约5-25uA，MCU上电性连接有I/O端口，I/O端口用于实现对外置的设备进行电性连接，并且实现对数据信息进行烧录和数据的传输，I/O端口中包括有4组可编程I/O端口。The working principle and usage process of the present invention: When in use, the VLCD voltage stabilizing circuit is used as a power supply circuit that can maintain the output voltage basically unchanged when the input voltage fluctuates or the load changes, thereby achieving stable power supply operation for the MCU. , the IR drive circuit is located between the main circuit and the control circuit. It is an intermediate circuit used to amplify the signal of the control circuit, that is, amplify the signal of the control circuit so that it can drive the power transistor. The voltage detection circuit is designed to ensure the working power supply voltage of the circuit. Within a specific safety range, if the working power source endangers the safety of the device, fault alarms, braking circuits are put into operation, and shutdown protection measures are implemented. In addition, a few models also detect the output voltage to maintain the safe operation of the circuit. The built-in RC oscillator is used to generate low-frequency signals in the range of 1Hz-1MHz, which is used to generate waveform output. The LCD display is used to display data information. The memory group is used to store and process data information. The memory group includes OTP ROM and SRAM, OTP ROM is used to store the running program body of the system, and SRAM is used to store the system's running logs, classify and store data information, improve the storage rate and extraction rate of data information, and prevent The data information is confused. When the MCU is running, the working voltage is 2.0V-3.6V, and the standby current is about 5-25uA. The MCU is connected to an I/O port when it is powered on. The I/O port is used to implement external The equipment is electrically connected, and data information is burned and transmitted. The I/O ports include 4 sets of programmable I/O ports.
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principles and spirit of the invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.
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