CN104616474B - Wireless remote control code circuit chip and its use - Google Patents

Wireless remote control code circuit chip and its use Download PDF

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Publication number
CN104616474B
CN104616474B CN201510077408.3A CN201510077408A CN104616474B CN 104616474 B CN104616474 B CN 104616474B CN 201510077408 A CN201510077408 A CN 201510077408A CN 104616474 B CN104616474 B CN 104616474B
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unit
remote control
wireless remote
key
chip
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CN201510077408.3A
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CN104616474A (en
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任仕鼎
毛光跃
谢大盛
王文胜
李松青
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深圳市励创微电子有限公司
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Abstract

本发明公开了无线遥控编码芯片及其应用电路。 The present invention discloses a wireless remote control coding circuit chip and its use. 其中,无线遥控编码芯片内部集成了复位单元、复合按键单元、振荡单元、锁存单元、分频单元、编码单元、单位码发生单元、复合单元、SO驱动单元、PC驱动单元,除具有前进、后退、左转、右转、加速功能外,还可以实现演示功能,增强了IC的功能。 Wherein the wireless remote control code chip integrates a reset unit composite key unit, an oscillation means, a latch unit dividing unit, coding units, a unit code generation unit, the composite unit, SO driving unit, PC driving unit, in addition to a forward, backward, turn left, turn right, acceleration, you can also implement demonstration function, enhanced function of the IC. 同时,本发明采用复合按键设计,节约了IC端口资源。 Meanwhile, the present invention uses a composite key design, IC saving port resources. 另外,本发明通过在芯片内部集成振荡单元,节约了IC端口资源,而且还减小了外部信号对IC的干扰。 Further, the present invention is integrated in the chip by the oscillating unit, an IC saving port resources, but also reduces the external disturbance signal to the IC.

Description

无线遥控编码芯片及其应用电路 Wireless remote control code circuit chip and its use

技术领域 FIELD

[0001] 本发明涉及芯片设计技术领域,特别涉及一种无线遥控编码芯片及其应用电路。 [0001] The present invention relates to the field of chip design technology, and particularly relates to a wireless remote control code circuit chip and its use.

背景技术 Background technique

[0002] 随着电子工业技术的发展,无线遥控产品在人们的日常生活中应用越来越广泛, 现有的无线遥控信号处理形式也是多种多样,而且应用领域十分广泛,其中,比较大的用途,是在遥控玩具、家电遥控等领域。 [0002] With the development of the electronics industry technology, wireless remote control products in people's daily lives more and more widely, the existing signal processing in the form of a wireless remote control is varied and wide range of applications where relatively large the use, in remote control toys, remote control home appliances, and other fields. 目前,用于玩具的五功能无线遥控信号编码专用集成电路,具有前进、后退、左转、右转、加速功能,应用电路简单,成本低廉。 Currently, five-function wireless remote control signal encoding ASIC for a toy having forward, backward, left turn, right turn, acceleration, application circuit is simple, low cost.

[0003] 由于现有遥控玩具的无线遥控编码芯片管脚较多、应用电路需要较多外围器件, 这会导致玩具成本偏尚,对外界的抗干扰能力下降,同时增加广品的生广调试难度。 [0003] As the existing remote control toys, wireless remote encoding chips more pins for applications requiring more peripheral devices, which can lead to partial cost of toys is still down on the outside of the anti-jamming capability, while increasing the raw materials wide wide debugging difficulty.

[0004] 因而现有技术还有待改进和提高。 [0004] Thus the prior art has yet to be improved and enhanced.

发明内容 SUMMARY

[0005] 鉴于上述现有技术的不足之处,本发明的目的在于提供一种无线遥控编码芯片及其应用电路,能增加芯片的抗干扰性能,降低芯片成本。 [0005] In view of the above-described shortcomings of the prior art, an object of the present invention is to provide a wireless remote control code circuit chip and its use, can increase the anti-jamming performance chips, reducing chip cost.

[0006] 为了达到上述目的,本发明采取了以下技术方案: [0006] To achieve the above object, the present invention adopts the following technical scheme:

[0007] 一种无线遥控编码芯片,其包括: [0007] A wireless remote control code chip, comprising:

[0008] 用于为所述无线遥控编码芯片提供复位信号的复位单元; [0008] The wireless remote control codes for the chip to provide a reset signal, the reset unit;

[0009] 用于当有按键按下时启动振荡单元,输出按键信号给锁存单元的复合按键单元; [0009] The means for actuating the oscillation, outputs a composite key unit to the key signal latch unit when a key is pressed;

[0010] 用于存储复合按键单元送来的信号,并输出给编码单元的锁存单元; [0010] for storing a composite signal sent from the key unit, to the latch unit and outputs the coding unit;

[0011] 用于为所述无线遥控编码芯片提供时钟信号的振荡单元; [0011] encoding for said wireless remote control chip provides a clock signal oscillation unit;

[0012] 用于对振荡单元发送的时钟信号进行处理,为复合按键单元、单位码发生单元、复合单元、SO驱动单元、PC驱动单元提供时间控制信号的分频单元; [0012] for the transmission of the clock signal oscillates processing unit, a composite key unit, the unit code generation unit, the composite unit, SO driving unit, PC unit driving unit time division control signal;

[0013] 用于产生W1数据码和W2数据码的单位码发生单元; [0013] W1 for generating data symbols and the data symbol W2 unit code generation unit;

[0014] 用于对按键信号进行编码,输出编码位信号给复合单元的编码单元; [0014] for encoding, encoding unit outputs the encoded signal to the combination unit of the key signal;

[0015] 用于将编码位信号TX-2T格式的数据串的复合单元; [0015] The composition unit for encoding the data signal TX-2T format string;

[0016] 用于输出信号控制外部射频发射电路的信号输入端的so驱动单元; [0016] The output signal for controlling the driving unit so external radio frequency transmission signal input terminal of the circuit;

[0017]用于输出信号控制外部射频发射电路的使能端的PC驱动单元; [0017] RF output signal for controlling the external drive unit PC enable terminal of the transmitting circuit;

[0018] 所述复合按键单元的第一输出端依次通过锁存单元和编码单元连接复合单元,所述复合按键单元的第二输出端通过振荡单元连接分频单元,所述分频单元连接复合按键单元、单位码发生单元、复合单元、SO驱动单元、PC驱动单元,所述复合单元的输出端连接so驱动单元; [0018] The output terminal of the first composite key unit is sequentially connected complex unit via latch unit and the encoding unit, said second composite key unit output is connected by the oscillation unit dividing unit, the dividing unit is connected Compound key unit, the unit code generation unit, the composite unit, SO driving unit, PC drive unit, the composite unit so connected to the output drive means;

[0019] 所述复合按键单元通过演示按键按下时,使so驱动单元按照设定的顺序发出一串功能码实现演示功能,演示功能有效时,按下任意按键演示功能停止; [0019] When the key unit is pressed by demonstrating composite key, so that the driving unit emits a series of function codes implemented in the order of presentation features set valid when the presentation capabilities, Press any key to stop presentation function;

[0020] 所述W2数据码的占空比为50%或75%。 Duty cycle [0020] The data symbols W2 is 50% or 75%.

[0021] 所述的无线遥控编码芯片中,所述W1数据码的占空比为50%。 [0021] The wireless remote control code chip, the duty ratio of the data symbol W1 is 50%.

[0022]所述的无线遥控编码芯片中,所述复合按键单元连接无线遥控编码芯片的⑶端口、ST端口和FB端口,所述SO驱动单元连接无线遥控编码芯片的so端口,PC驱动单元连接无线遥控编码芯片的PC端口,所述分频单元连接无线遥控编码芯片的C0M端口。 [0022] The wireless remote control code chip, the composite key wireless remote control unit is connected to port ⑶ encoded chip, ST ports and port FB, so the unit is connected to the drive port SO wireless remote control codes of the chip, PC connected to the drive unit wireless remote control code chip PC port, the port frequency division C0M wireless remote control unit is connected to the encoder chip.

[0023] 一种无线遥控编码芯片的应用电路,其包括控制电路和射频发射电路,所述控制电路连接射频发射电路;所述控制电路包括如权利要求1-4任意一项所述的无线遥控编码芯片。 [0023] A wireless remote control code application circuit chip, comprising a control circuit and a RF transmitter circuit, the control circuit is connected to the RF transmitting circuit; said control circuit includes any one of claims 1-4 the wireless remote control encoder chip.

[0024]所述的无线遥控编码芯片的应用电路中,所述控制电路还包括:F按键、B按键、L按键、R按键、S按键、T按键和稳压滤波单元,所述无线遥控编码芯片的LR端连接R按键的一端、 还通过L按键接地,所述无线遥控编码芯片的ST端连接T按键的一端、还通过S按键接地,所述无线遥控编码芯片的FB端连接B按键的一端、还通过F按键接地,所述无线遥控编码芯片的COM端连接R按键的另一端、T按键的另一端和B按键的另一端,无线遥控编码芯片的VDD端通过稳压滤波单元连接VCC供电端。 [0024] The wireless application circuit chip remote control code, the control circuit further comprises: F key, B key, L key, R key, S buttons, T regulation keys and filtering unit, the wireless remote control code LR end of the chip is connected to one end of the key R, L button through the ground, ST wireless remote control terminal of the encoded chip is connected to one end of the T key, the key S is grounded through the terminal FB wireless remote control encoder chip connected to the key B one end grounded through F keys, the other end of the wireless remote control terminal COM encoder chip connected to the key R, the other ends of the T key and key B, the VDD terminal is connected to the wireless remote control code chip VCC via filtering unit regulator supply terminal.

[0025]所述的无线遥控编码芯片的应用电路中,所述稳压滤波单元包括电阻、电容和稳压二极管,所述无线遥控编码芯片的VDD端通过电阻连接VCC供电端和稳压二极管的负极、 还通过电容接地,所述稳压二极管的正极接地。 [0025] The application circuit of the wireless remote control code chip, the voltage regulator comprises a filter unit resistors, capacitors and zener diode, the wireless remote control code chip VCC supply terminal VDD terminal connected through a resistor and zener diode a negative electrode, is grounded through the capacitor, the voltage regulator diode cathode is grounded.

[0026] 相较于现有技术,本发明提供的无线遥控编码芯片及其应用电路,在芯片内部集成了复位单元、复合按键单元、振荡单元、锁存单元、分频单元、编码单元、单位码发生单元、 复合单元、S0驱动单元、PC驱动单元,除具有前进、后退、左转、右转、加速功能外,还可以实现演示功能,增强了1C的功能。 [0026] Compared to the prior art, the wireless remote control code circuit chip and its use according to the present invention provides, in a chip integrates a reset unit composite key unit, an oscillation means, a latch unit dividing unit, coding units, units code generation unit, the composite unit, the drive unit S0, PC driving unit, in addition to a forward, backward, left turn, right turn, acceleration, but also can realize presentation capabilities, enhanced features 1C. 同时,本发明采用复合按键设计,节约了1C端口资源。 Meanwhile, the present invention uses a composite key design, 1C saving port resources. 另外, 本发明通过在芯片内部集成振荡单元,节约了1C端口资源,而且还减小了外部信号对1C的干扰。 Further, the present invention is integrated by the oscillation unit in a chip, 1C port resource saving, but also reduce the external interference signals 1C.

附图说明 BRIEF DESCRIPTION

[0027]图1为本发明实施例提供的无线遥控编码芯片的结构框图。 [0027] FIG. 1 a block diagram of a wireless remote control code chip according to an embodiment of the present invention.

[0028]图2为本发明实施例提供的无线遥控编码芯片的封装管脚排列图。 [0028] FIG 2 package pin arrangement diagram of a wireless remote control code chip according to an embodiment of the present invention.

[0029]图3为本发明实施例提供的无线遥控编码芯片的应用电路原理图。 [0029] FIG. 3 application schematic diagram of a wireless remote control code chip according to an embodiment of the present invention.

[0030] 图4为本发明实施例提供的无线遥控编码芯片中W1数据码和W2数据码的位格式示意图。 [0030] FIG. 4 is a schematic bit format wireless remote control encoder chip provided in the data symbols W1 and W2 data symbols embodiment of the invention.

[0031]图5为本发明实施例提供的无线遥控编码芯片中的编码位信号说明。 [0031] FIG. 5 illustrates a wireless remote control encoded signal encoded chip provided in the embodiment of the present invention.

[0032]图6为本发明实施例提供的无线遥控编码芯片中的按键功能编码表。 [0032] FIG wireless remote control encoder chip 6 provided in the key function table encoding embodiment of the present invention.

[0033]图7为本发明实施例提供的无线遥控编码芯片执行演示功能时,按键动作与有效时间对照表。 When [0033] FIG 7 demonstrate wireless remote control code chip performing functions according to an embodiment of the present invention, the effective time of the operation key table.

具体实施方式 Detailed ways

[0034] 本发明提供一种无线遥控编码芯片及其应用电路,为使本发明的目的、技术方案及效果更加清楚、明确,以下参照附图并举实施例对本发明进一步详细说明。 [0034] The present invention provides a wireless remote control coding circuit chip and its use, for the purposes of the present invention, technical solutions and advantages clearer, explicit, the following embodiments of the present invention is further described in detail with reference to the accompanying drawings. 应当理解,此处所描述的具体实施例仅用以解释本发明,并不用于限定本发明。 It should be understood that the specific embodiments described herein are merely used to explain the present invention and are not intended to limit the present invention.

[0035] 本发明提供的无线遥控编码芯片为一款带演示功能的无线遥控编码芯片TX—2T/ TX—2TB,其中TX—2T/TX—2TB的区别在于W2数据码的格式不同。 [0035] The present invention provides a wireless remote control as a wireless remote control code chip code chip TX-2T with a presentation function / TX-2TB, wherein the difference TX-2T / TX-2TB in that data symbols of different formats W2.

[0036] 请参阅图1,本发明的无线遥控编码芯片,包括:复位单元、复合按键单元、振荡单元、锁存单元、分频单元、编码单元、单位码发生单元、复合单元、S0驱动单元和PC驱动单元, 所述复合按键单元的第一输出端依次通过锁存单元和编码单元连接复合单元,所述复合按键单元的第二输出端通过振荡单元连接分频单元,所述分频单元连接复合按键单元、单位码发生单元、复合单元、S0驱动单元、PC驱动单元,所述复合单元的输出端连接so驱动单元。 [0036] Referring to FIG. 1, a wireless remote control code chip of the present invention, comprising: a reset unit, a composite key unit, an oscillation means, a latch unit dividing unit, coding units, unit symbol unit, a composite unit, the drive unit occurs S0 and PC drive unit, the key unit of the first composite output terminal is connected sequentially through the composite unit latch unit and the encoding unit, said second composite key unit output is connected by the oscillation unit dividing unit, said frequency dividing means connecting a composite key unit, the unit code generation unit, the composite unit, the drive unit S0, PC drive unit, the composite unit so connected to the output driving unit.

[0037] 其中,所述复位单元用于为所述无线遥控编码芯片提供复位信号;复合按键单元用于当有按键按下时启动振荡单元,输出按键信号给锁存单元;锁存单元用于存储复合按键单元送来的信号,并输出给编码单元;振荡单元用于为所述无线遥控编码芯片提供时钟信号;分频单元用于对振荡单元发送的时钟信号进行处理,为复合按键单元、单位码发生单元、复合单元、S0驱动单元、PC驱动单元提供时间控制信号;单位码发生单元用于产生W1数据码和W2数据码;编码单元用于对按键信号进行编码,输出编码位信号给复合单元;复合单元用于将编码位信号转换成TX-2T格式的数据串;S0驱动单元用于输出信号控制外部射频发射电路的信号输入端;PC驱动单元用于输出信号控制外部射频发射电路的使能端。 [0037] wherein said reset means for providing a reset signal to the wireless remote control code chip; composite key unit for starting an oscillation means outputs a key signal to the latch unit when a key is pressed; latch means for storage complex signal sent key unit, and outputs to the encoding unit; oscillation unit for providing a clock signal to the wireless remote control code chip; a unit for dividing the clock signal oscillating unit transmitted are processed, a composite key unit, unit code generation unit, the composite unit, the drive unit S0, PC driving unit providing a time control signal; unit code generation unit for generating data symbols W1 and W2 code data; encoding means for encoding, outputs the encoded signal to a key signal composite means; means for converting the composite signal into a coded data string TX-2T format; S0 driving unit for outputting a signal for controlling an external radio frequency transmit signal input of the circuit; output signal of the PC to control a drive unit for an external radio frequency transmission circuit the enable terminal.

[0038] 所述复合按键单元连接无线遥控编码芯片的LR端口、ST端口和FB端口,所述S0驱动单元连接无线遥控编码芯片的SO端口,PC驱动单元连接无线遥控编码芯片的PC端口,所述分频单元连接无线遥控编码芯片的COM端口。 SO port, PC drive unit [0038] The wireless remote control unit is connected to the composite key encoded chip LR port, ST ports and port FB, the wireless remote control unit is connected to the drive S0 encoder chip connected to the wireless remote control code chip PC port, the said frequency dividing means connected to the COM port of the wireless remote control code chip.

[0039] 本实施例中,所述W1数据码的占空比为50%,所述W2数据码的占空比为50%或75%。 [0039] In this embodiment, the duty ratio of the data symbol W1 is 50%, the duty ratio of the data symbol W2 is 50% or 75%. 其中,TX—2T与TX—2TB区别在于W2数据码的格式不同。 Wherein, TX-2T and TX-2TB difference lies in the different formats of data symbols W2. TX—2T的W2数据码占空比为75%, TX—2TB的W2数据码占空比为50%。 TX-2T data symbol W2 of the duty ratio is 75%, TX-2TB data symbol W2 of 50% duty cycle.

[0040] 请一并参阅图2,所述的无线遥控编码芯片具有8个端口,并采用S0P8、DIP8或QIPAI8封装形式。 [0040] Referring to FIG. 2, the wireless remote control code chip having eight ports, and the use of S0P8, DIP8 or QIPAI8 package. 无线遥控编码芯片包括基体、电源端口(VDD)、接地端口(GND)、输入端口(FB、LR、ST)、输出端口(S0、PC、C0M)。 Wireless remote control code chip includes a substrate, a power supply port (the VDD), ground ports (the GND), an input port (FB, LR, ST), an output port (S0, PC, C0M).

[0041] 如图2所示,无线遥控编码芯片的FB端口是前进/后退编码端口,内置上拉电阻,FB 端口通过按键接地则前进输入有效,FB端口通过按键接COM端口则后退输入有效。 [0041] As shown in FIG 2, the radio remote control code chip port FB forward / backward coding port, pull-up resistor, to ground through the key port of FB proceeds valid input, FB port through the key input connected to the COM port is retracted valid. LR端口是左转/右转编码端口,内置上拉电阻,LR端口通过按键接地则左转输入有效,LR端口通过按键接COM端口则右转输入有效。 LR is a port on the left / right coded ports built pull-up resistor, the LR left port through the key input valid ground, through the key access port LR make a right input port COM valid. ST端口是演示/加速编码端口,内置上拉电阻,ST端口通过按键接地则演示输入有效,ST端口通过按键接COM端口则加速输入有效。 ST port is a demonstration / turbo encoder port, pull-up resistor, the ST port is grounded through the key input valid presentations, ST port connected to the COM port through the key input valid accelerated. COM端口为复合按键检测端口;S0是编码信号输出端口;PC控制发射电路的使能;GND是芯片地;VDD是芯片电源。 COM port is a composite key detection port; S0 is coded signal output port; the PC to enable the control of the transmitting circuit; chip to the GND; the VDD power chip. [0042] 请参阅图3,本发明还提供一种无线遥控编码芯片的应用电路,包括控制电路10和射频发射电路20,所述控制电路1〇连接射频发射电路20,包括所述的无线遥控编码芯片,用于输出PC信号和SO信号给射频发射电路20,其中PC、S0分别为射频发射电路2〇提供使能信号和编码输入信号。 [0042] Referring to FIG. 3, the present invention further provides a radio remote control code application circuit chip, comprising the control circuit 10 and radio frequency transmitter circuit 20, the control circuit is connected 1〇 RF transmitter circuit 20, the wireless remote control comprises encoder chip for outputting a signal sO to the PC signal and a radio frequency transmitter circuit 20, wherein the PC, respectively 2〇 S0 enable signal and provides coded input signal is a radio frequency transmitting circuit. 由于上文已对无线遥控编码芯片进行了详细描述,此处不再赘述。 Since the above wireless remote control code chip has been described in detail, it is not repeated here.

[0043] 所述控制电路10还包括:F按键F、B按键B、L按键L、R按键R、S按键S、T按键T和稳压滤波单元110,所述无线遥控编码芯片的LR端连接R按键R的一端、还通过L按键L接地,所述无线遥控编码芯片的ST端连接T按键T的一端、还通过S按键S接地,所述无线遥控编码芯片的FB端连接B按键B的一端、还通过F按键F接地,所述无线遥控编码芯片的COM端连接R按键R 的另一端、T按键T的另一端和B按键B的另一端,无线遥控编码芯片的VDD端通过稳压滤波单元110连接VCC供电端。 [0043] The control circuit 10 further includes: F key F, B button B, L button L, R buttons R, S buttons S, T and T key regulator filtering unit 110, the wireless remote control encoded end LR chip R is connected to one end of the key R, L button L is grounded through the wireless remote control code chip is connected to one end of the terminal ST T T key, the key S is grounded through S, the wireless remote control terminal FB encoder chip connected to the key B B one end grounded through F F keys, the COM terminal of the wireless remote control code chip is connected to the other end of R buttons R, the other ends of the T and B key buttons T and B, and the VDD terminal via the wireless remote control encoder chip stability pressure filter unit 110 is connected to VCC supply terminal.

[0044] 其中,F按键F、B按键B、L按键L、R按键R、S按键S、T按键T这六个按键中有一个按键按下时,PC端口为局电平,SO端口输出相应的编码信号,使控制电路1 〇输出pc信号、s〇信号给射频发射电路20。 [0044] where, F keys F, B button B, L button L, R buttons R, S buttons S, T T six buttons in a button when the button is pressed, PC Board level port, SO output port corresponding encoded signal to the control circuit 1 pc square output signal to a radio frequency signal transmitting circuit s〇 20. ' " ' "

[0045]请继续参阅图3,所述稳压滤波单元110包括电阻R1、电容C1和稳压二极管Z1,所述无线遥控编码芯片的VDD端通过电阻R1连接VCC供电端和稳压二极管Z1的负极、还通过电容ci接地,所述稳压二极管zi的正极接地。 [0045] Please continue to refer to FIG. 3, the filter unit 110 comprises a voltage regulator resistor R1, capacitor C1 and zener diode Z1, the VDD terminal of the chip is connected to the wireless remote control code supply terminal VCC and the voltage regulator diode Z1 via a resistor R1 a negative electrode, the capacitance ci is grounded through a zener diode plus ground of zi. 本实施例中,所述电阻R1、电容C1和稳压二极管Z1, 用于将VCC供电端的电压转化为固定电压的、低纹波的电压信号供给芯片的VDD端口。 In this embodiment, the resistor R1, a capacitor C1 and a Zener diode Z1, the power supply voltage VCC for end into fixed voltage, a voltage signal supplied to the low ripple chip VDD port. ' '

[0046]所述射频发射电路20中,EN为使能控制端口、与控制电路10的1^端口连接,SIG为编码信号输入端口、与控制电路10的SO端口连接;SIG端口的编码信号经射频发射电路20处理后,由天线发射出去。 [0046] The radio frequency transmitter circuit 20, EN to enable control port, the control circuit 110 is connected to port ^, SIG encoded signal input port, and a control circuit connection port 10 of the SO; coded signal SIG port after the radio frequency transmission processing circuit 20, the antenna out. 由于现有射频发射电路20的技术已相当成熟,此处不作详述。 Since the prior art RF transmitter circuit 20 is quite mature, is not described in detail here.

[0047]本实施例中,所述W1数据码的占空比为50%,所述W2数据码的占空比为50%或75%, 其数据码格式为图4所示。 [0047] In this embodiment, the duty ratio of the data symbol W1 is 50%, the duty ratio of the data symbol W2 is 50% or 75%, which is a data code format shown in FIG. 4. 编码单元的编码格式如图5所示,引导码由4个W2数据码组成,功能码由n个W1数据码组成,且不同数据码的n取值不值。 Encoding format unit shown in Figure 5, the preamble data symbols consisting of four W2, W1 function code consists of n data symbols composition, and different data symbols worth of n taken. ~ ~

[0048]所述按键功能编码表如6所示,不同按键组合可以使S0输出不同数量的们数据码。 [0048] The key features encoded as shown in Table 6, different combinations of keys can have different amounts of S0 output data symbols. 本发明的一改进之处在于,无线遥控编码芯片集成了演示功能,当按下演示按键时,S0输出端口将按照设定的顺序发出一串功能码。 An improvement of the present invention, the wireless remote control code chip integrated presentation function, when the demo button is pressed, the output port S0 to send a string of function codes in the set sequence. 如附图7所示,Bl、B2、B3......Bn为按键动作,按键动作为F、B、L、R、FL、FR、BL、BR2—,T1、T2、T3......Tn为相应按键动作的有效时间。 As shown in Figure 7, Bl, B2, B3 ...... Bn as keystrokes, button presses as F, B, L, R, FL, FR, BL, BR2-, T1, T2, T3 .. .... Tn of the time for the effective operation of the corresponding key. 演示功能有效时,按下任意按键演示功能将会停止。 Presentation function is active, press any key presentation function will stop. / /

[0049]综上所述,本发明提供的无线遥控编码芯片及其应用电路,除具有前进、后退、左转、右转功能外同时还具备以下有益效果: [0049] In summary, the wireless remote control code circuit chip and its use according to the present invention provides, in addition to a forward, backward, left, right functions but also have the following advantageous effects:

[0050] 1、无线遥控编码芯片采用复合按键设计,节约1C端口资源。 [0050] 1, a wireless remote control key code chip composite design, 1C saving port resources.

[0051] 2、无线遥控编码芯片全内置振荡器,节约1C端口资源,减小了外部信号对1C的干扰。 [0051] 2, the wireless remote control code chip whole internal oscillator, 1C port resource saving, reducing external interference signals 1C.

[0052] 3、无线遥控编码芯片采用S0P8、DIP8或QIPAI8封装,降低产品的成本。 [0052] 3, the wireless remote control code chip S0P8, DIP8 or QIPAI8 package, reduce product costs.

[0053] 4、无线遥控编码芯片集成演示功能,增强了1C的功能。 [0053] 4, the wireless remote control code chip integrated presentation capabilities, enhanced features 1C.

[0054] 5、无线遥控编码芯片包括TX-2T和TX-2TB两种,其中,TX-2TB采用改进的编码,增强1C的接收精度。 [0054] 5, the wireless remote control code chip includes TX-2T and TX-2TB two of them, TX-2TB the improved coding to enhance reception accuracy 1C.

[0055]可以理解的是,对本领域普通技术人员来说,可以根据本发明的技术方案及其发明构思加以等同替换或改变,而所有这些改变或替换都应属于本发明所附的权利要求的保护范围。 [0055] It will be appreciated that those of ordinary skill in the art, or can be changed according to the technical equivalents of the invention and its inventive concept, and all such modifications or substitutions of the present invention should belong to the appended claims protected range.

Claims (6)

1. 一种无线遥控编码芯片,其特征在于,包括: 用于为所述无线遥控编码芯片提供复位信号的复位单元; 用于当有按键按下时启动振荡单元,输出按键信号给锁存单元的复合按键单元; 用于存储复合按键单元送来的信号,并输出给编码单元的锁存单元; 用于为所述无线遥控编码芯片提供时钟信号的振荡单元; 用于对振荡单元发送的时钟信号进行处理,为复合按键单元、单位码发生单元、复合单元、so驱动单元、PC驱动单元提供时间控制信号的分频单元; 用于产生W1数据码和W2数据码的单位码发生单元; 用于对按键信号进行编码,输出编码位信号给复合单元的编码单元; 用于将编码位信号转换成TX-2T格式数据串的复合单元; 用于输出信号控制外部射频发射电路的信号输入端的SO驱动单元; 用于输出信号控制外部射频发射电路的使能端的PC驱动单元 A wireless remote control code chip, characterized by comprising: means for providing a reset signal to reset the wireless remote control unit code chip; means for activating the oscillation when a button is pressed, it outputs a key signal to the latch unit composite key unit; clock oscillating means for transmitting; means for storing a signal sent from a composite key unit, to the latch unit and outputs the coding unit; an oscillating unit providing a clock signal to the wireless remote control code chip signals are processed, a composite key unit, unit, a composite unit, the drive unit SO, PC driving unit dividing unit time code generating unit control signal; means for generating data symbols W1 and W2 data symbol unit code generation unit; with to the key signal encoding unit encoding outputs the encoded signal to the combination unit; means for converting the encoded signal into a bit data string TX-2T composite format; means for transmitting an output signal for controlling an external radio frequency signal input terminal circuit SO a driving unit; an output enable signal for controlling an external radio frequency transmission circuit of the driving unit can end PC 所述复合按键单元的第一输出端依次通过锁存单元和编码单元连接复合单元,所述复合按键单元的第二输出端通过振荡单元连接分频单元,所述分频单元连接复合按键单元、 单位码发生单元、复合单元、SO驱动单元、PC驱动单元,所述复合单元的输出端连接SO驱动单元; 所述复合按键单元通过演示按键按下时,使so驱动单元按照设定的顺序发出一串功能码实现演示功能,演示功能有效时,按下任意按键演示功能停止; 所述W2数据码的占空比为50%或75%。 The first output terminal is connected sequentially composite key unit through the latch unit and the encoding unit combination unit, said second composite key unit output is connected by the oscillation unit dividing unit, the dividing unit is connected to the composite key unit, sO driving unit connected to the unit code generating unit, a composite unit, the drive unit sO, PC drive unit, an output terminal of the composite unit; composite key unit when the button is pressed by the presentation, so that the drive unit is set in the order issued function code string presentation function implemented when the effective presentation function, press any key to stop the presentation feature; duty ratio of the data symbol W2 is 50% or 75%.
2. 根据权利要求1所述的无线遥控编码芯片,其特征在于,所述W1数据码的占空比为50% 〇 The wireless remote control code chip according to claim 1, characterized in that, the duty ratio data symbols W1 is 50% billion
3. 根据权利要求1所述的无线遥控编码芯片,其特征在于,所述复合按键单元连接无线遥控编码芯片的LR端口、ST端口和FB端口,所述S0驱动单元连接无线遥控编码芯片的S0端口,PC驱动单元连接无线遥控编码芯片的PC端口,所述分频单元连接无线遥控编码芯片的COM端口。 S0 3. The wireless remote control code chip of claim 1, wherein said composite key wireless remote control unit is connected to port LR encoded chip, ST FB ports and ports, the wireless remote control unit is connected to the drive S0 encoded chip port, wireless remote PC connected to the drive unit of the PC port encoder chip, the frequency division means connected to the COM port wireless remote control code chip.
4. 一种无线遥控编码芯片的应用电路,其特征在于,包括控制电路和射频发射电路,所述控制电路连接射频发射电路;所述控制电路包括如权利要求1-3任意一项所述的无线遥控编码芯片。 A radio remote control code application circuit chip, characterized by comprising a control circuit and a RF transmitter circuit, the control circuit is connected to the RF transmitting circuit; the control circuit includes any one of claims 1 to 3 as the wireless remote control code chip.
5. 根据权利要求4所述的无线遥控编码芯片的应用电路,其特征在于,所述控制电路还包括:F按键、B按键、L按键、R按键、S按键、T按键和稳压滤波单元,所述无线遥控编码芯片的LR端连接R按键的一端、还通过L按键接地,所述无线遥控编码芯片的ST端连接T按键的一端、还通过S按键接地,所述无线遥控编码芯片的FB端连接B按键的一端、还通过F按键接地, 所述无线遥控编码芯片的COM端连接R按键的另一端、T按键的另一端和B按键的另一端,无线遥控编码芯片的VDD端通过稳压滤波单元连接VCC供电端。 The wireless remote control code application circuit chip according to claim 4, wherein said control circuit further comprises: F key, B key, L key, R key, S buttons, T regulation keys and filtering unit , LR end of the wireless remote control encoder chip connected to one end of the key R, L button through the ground, ST wireless remote control terminal of the encoded chip is connected to one end of the T key, the key S is grounded through the wireless remote control code chip FB terminal end connected to the button B, F keys through the ground, the COM terminal of the wireless remote control code chip is connected to the other end of the key R, the other ends of the T and B button keys, the VDD terminal via the wireless remote control code chip regulated VCC supply terminal connected to the filtering unit.
6. 根据权利要求5所述的无线遥控编码芯片的应用电路,其特征在于,所述稳压滤波单元包括电阻、电容和稳压二极管,所述无线遥控编码芯片的VDD端通过电阻连接VCC供电端和稳压二极管的负极、还通过电容接地,所述稳压二极管的正极接地。 The wireless remote control code application circuit chip according to claim 5, wherein said filter unit includes a regulation resistor, a capacitor and a zener diode, the wireless remote control encoder chip VDD terminal VCC is connected via a resistor zener diode and the negative terminal is also grounded via a capacitor, the positive electrode of the zener diode is grounded.
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