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參數(shù)資料
| 型號(hào)： | AT90S1200 |
| 廠商： | Atmel Corp. |
| 元件分類(lèi)： | 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字節(jié)的系統(tǒng)內(nèi)可編程閃存 |
| 文件頁(yè)數(shù)： | 1/9頁(yè) |
| 文件大?。?/td> | 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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT90S1200/A | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:AT90S1200/A Rev. F Errata [Updated 9/01. 2 Pages] |
| AT90S1200_02 | 制造商:ATMEL 制造商全稱(chēng):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 處理器系列:C8051F39x 數(shù)據(jù)總線(xiàn)寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| AT90S1200-12PI | 功能描述:IC MCU 1K FLSH 12MHZ IT 20DIP RoHS:否 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:AVR® 90S 標(biāo)準(zhǔn)包裝:9 系列:87C 核心處理器:8051 芯體尺寸:8-位 速度:40/20MHz 連通性:UART/USART 外圍設(shè)備:POR，WDT 輸入/輸出數(shù):32 程序存儲(chǔ)器容量:32KB（32K x 8） 程序存儲(chǔ)器類(lèi)型:OTP EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:0°C ~ 70°C 封裝/外殼:40-DIP（0.600"，15.24mm） 包裝: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 處理器系列:C8051F39x 數(shù)據(jù)總線(xiàn)寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
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