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参数资料
| 型号： | AT90S1200 |
| 厂商： | Atmel Corp. |
| 元件分类： | 8位微控制器 |
| 英文描述： | -bit AVR Microcontroller with 8K Bytes In- System Programmable Flash |
| 中文描述： | 位AVR微控制器具有8K字节的系统内可编程闪存 |
| 文件页数： | 1/9页 |
| 文件大小： | 128K |
| 代理商： | AT90S1200 |
1
AVR410: RC5 IR Remote Control Receiver
Features
Low-cost
Compact Design, Only One External
Component
Requires Only One Controller Pin, Any
AVR device Can Be Used
Size-efficient Code
Figure 1.
RC5 Receiver
Introduction
Most audio and video systems are
equipped with an infra-red remote con-
trol. This application note describes a
receiver for the frequently used Phil-
ips/Sony RC5 coding scheme.
The RC5 code is a 14-bit word bi-phase
coded signal (See Figure 2). The two
first bits are start bits, always having the
value 1. The next bit is a control bit or
toggle bit, which is inverted every time a
button is pressed on the remote control
transmitter. Five system bits hold the
system address so that only the right
system responds to the code. Usually,
TV sets have the system address 0,
VCRs the address 5 and so on. The
command sequence is six bits long,
allowing up to 64 different commands
per address.
The bits are transmitted in bi-phase code
(also known as Manchester code) as
shown in Figure 3. An example where
the command 0x35 is sent to system 5 is
shown in Figure 4.
Figure 2.
RC5 Frame Format
Figure 3.
Bi-phase Coding
Figure 4.
Example of Transmission
DATA
8-bit
Microcontroller
Application
Note
Rev. 1473A
–
09/99
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| AT90S2313 | -bit AVR Microcontroller with 8K Bytes In- System Programmable Flash |
| AT90S2313-10 | -bit AVR Microcontroller with 8K Bytes In- System Programmable Flash |
| AT90S2313-10PC | -bit AVR Microcontroller with 8K Bytes In- System Programmable Flash |
| AT90S2313-10PI | -bit AVR Microcontroller with 8K Bytes In- System Programmable Flash |
| AT90S2313-10SC | -bit AVR Microcontroller with 8K Bytes In- System Programmable Flash |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AT90S1200/A | 制造商:未知厂家 制造商全称:未知厂家 功能描述:AT90S1200/A Rev. F Errata [Updated 9/01. 2 Pages] |
| AT90S1200_02 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-bit Microcontroller with 1K Byte of In-System Programmable Flash |
| AT90S1200-12PC | 功能描述:8位微控制器 -MCU 1K FLASH 5V RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| AT90S1200-12PI | 功能描述:IC MCU 1K FLSH 12MHZ IT 20DIP RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:AVR® 90S 标准包装:9 系列:87C 核心处理器:8051 芯体尺寸:8-位 速度:40/20MHz 连通性:UART/USART 外围设备:POR，WDT 输入/输出数:32 程序存储器容量:32KB（32K x 8） 程序存储器类型:OTP EEPROM 大小:- RAM 容量:256 x 8 电压 - 电源 (Vcc/Vdd):4.5 V ~ 5.5 V 数据转换器:- 振荡器型:内部 工作温度:0°C ~ 70°C 封装/外壳:40-DIP（0.600"，15.24mm） 包装:管件 |
| AT90S1200-12SC | 功能描述:8位微控制器 -MCU 1K Flash 5V RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
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