红外遥控器IC芯片分类介绍

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CMOS工艺制造的8位单片机    

   其内部包含一个8K×16bits的一次性可编程只读电存储器(OTP-ROM),1个1K字节EEPROM，可以学习10个按键，且内置了红外学习电路。

   宽工作电压范围：2.0V~3.6V(8M,2分频)  

   低功耗：2uA  

   工作温度范围：-20℃~80℃  

   工作频率范围：

（1）内置 RC 8MHz±1.5%

（2）系统时钟源可配置选择：Fosc/2、Fosc/4、Fosc/8、Fosc/16 

1个16位定时器，做PWM、Buzzer及外部计数时8位有效。

TC0：外部事件计数器/PWM0/ Buzzer 输出。 

1个16位基本定时器  

3组标准双向I/O端口

8级用于子程序嵌套的堆栈

2个内部中断：TC0、T0

4个外部中断：INT0，P0_P1，P5.0，P5.4

内置红外发射放大驱动电路、上电复位电路（POR）、低电压检测（LVD）、低电压检测（LVD）

8-bit single chip microcomputer manufactured by CMOS process

   It contains an 8K × 16bits one-time programmable read only memory (otp-rom),  a 1K byte EEPROM which can learn 10 keys, and a built-in infrared learning circuit.

   Wide operating voltage range: 2.0V~3.6V (8M, 2 frequency division) 

   Low power consumption: 2uA

   Operating temperature range: -20 ℃ ~80 ℃ 

   Operating frequency range:

   (1) built in RC 8MHz ± 1.5%

   (2) configurable selection of system clock source: Fosc/2, Fosc/4, Fosc/8, Fosc/16

 One 16 bit timer, 8 bits valid for PWM, buzzer and external counting.

 TCO: external event counter /PWM0/ Buzzer output. 

  One 16 bit basic timer 

  3 sets of standard bidirectional I/O ports

  level 8 stack for subroutine nesting

  2 internal interrupts: TC0, T0

  4 external interrupts: INT0, P0_ P1, P5.0, P5.4

  Built in infrared emission amplification drive circuit, power on reset circuit (POR), low voltage detection  (LVD), low voltage detection (LVD)

OTP工艺制造的1K红外发射专用单片机

   该芯片采用 OTP 工艺制造，高性能、低功耗红外发射电路，T-KEY 三角矩阵键盘，最多可组成

66 个按键。除了能实现 50 多种常用基本码型外，还可实现一些特殊码型。每个按键可以选择 16 种用户码，可设置单帧、不发码。

    低静态电流：<3uA

    工作电压范围宽：2.0V~3.6V 

    外部线路元器件少

    支持内置或外接三极管驱动发射头

    位宽误差小于 1 个载波周期（38KHz 为 26.3us） 

    内置振荡电路，误差小于±2%

    载波可选成 36KHz、38KHz、56KHz 以及无载波

    支持同间距码型

    软件编程容易，开发效率高

1K infrared emission single chip microcomputer manufactured by OTP process   

    It is a infrared emission circuit utilizing OTP Technology with low power consumption and high performance. It has 13 I/Os , and can forms 66 keys at most . Additionally, it can encode to realize more than 50 universal IR formats, and include some special IR formats. All these IR formats provide by a development software , and the user don't encode IR formats any more. In the development software, you can select one IR format for your remote control, then it can be set 16 different user codes; Also they can be set as sending only one frame code or no code. 

   Low quiescent current：<3uA 

   Wide operating voltage range：2.0V~3.6V 

   Less external components in application circuit

   Support internal or external IR LED drive 

   Bit width error less than 1 carrier period(26.3us at 38kHz)

   Built-in oscillator with tolerance: <2% 

   Carrier selection: 36KHz, 38KHz, 56K±Hz and no carrier 

   Support typing code with the same spacing

   Easy soft programming and high developing efficiency