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| 型号： | MCP2120-I/SL |
| 厂商： | Microchip Technology |
| 文件页数： | 23/36页 |
| 文件大小： | 0K |
| 描述： | IC ENCODR/DECODR 2.5V IR 14-SOIC |
| 标准包装： | 57 |
| 类型： | 红外线编码器/解码器 |
| 电压 - 电源，模拟： | 2.5 V ~ 5.5 V |
| 电压 - 电源，数字： | 2.5 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 14-SOIC |
| 包装： | 管件 |
| 产品目录页面： | 684 (CN2011-ZH PDF) |
| 配用： | MCP212XDM-ND - BOARD DEVELOPMENT IRDA |
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2007 Microchip Technology Inc.
DS21618B-page 3
MCP2120
1.0
DEVICE OVERVIEW
This document contains device specific information for
the following device:
MCP2120
This device is a low-cost, high-performance, fully-static
infrared encoder/decoder. This device sits between a
UART and an infrared (IR) optical transceiver.
The data received from a standard UART is encoded
(modulated), and output as electrical pulses to the IR
Transceiver. The IR Transceiver also receives data
which it outputs as electrical pulses. The MCP2120
decodes (demodulates) these electrical pulses and
then the data is transmitted by the MCP2120 UART.
This modulation and demodulation method is
performed in accordance with the IrDA standard.
Typically a microcontroller interfaces to the IR encoder/
decoder.
Infrared communication is a wireless two-way data
connection using infrared light generated by low-cost
transceiver signaling technology. This provides reliable
communication between two devices.
Infrared technology offers:
Universal standard for connecting portable
computing devices
Easy, effortless implementation
Economical alternative to other connectivity
solutions
Reliable, high speed connection
Safe to use in any environment; can even be used
during air travel
Eliminates the hassle of cables
Allows PC’s and non-PC’s to communicate to
each other
Enhances mobility by allowing users to easily
connect
1.1
Applications
The MCP2120 is a stand–alone IrDA Encoder/Decoder
product. Figure 1-1 shows a typical application block
diagram. Table 1-2 shows the pin definitions in the user
(normal) mode of operation.
TABLE 1-1:
MCP2120 FEATURES
OVERVIEW
FIGURE 1-1:
System Block Diagram
Features
MCP2120
Serial Communications:
UART, IR
Baud Rate Selection:
Hardware/Software
Low Power Mode:
Yes
Resets: (and Delays)
Wake-up (DRT)
Packages:
14-pin DIP
14-pin SOIC
Encode
Decode
TX
TXIR
RX
RXIR
EN
MCP2120
Micro–
TX
RX
Optical
UAR
T
TXD
RXD
Power
Down
Baud Rate
BAUD2
Generator
BAUD1
BAUD0
MODE
I/O
Controller
Logic
(S/W Mode)
Transceiver
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相关代理商/技术参数 |
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|---|---|
| MCP2120T-I/SL | 功能描述:编码器、解码器、复用器和解复用器 Infrared encod/decod RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量（输入/输出）:2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray |
| MCP2122 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Infrared Encoder/Decoder |
| MCP2122_07 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Infrared Encoder/Decoder |
| MCP2122-E/P | 功能描述:编码器、解码器、复用器和解复用器 8Pin IrDA encoder/ decoder RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量（输入/输出）:2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray |
| MCP2122-E/PG | 功能描述:编码器、解码器、复用器和解复用器 Extended Temp Range (-40 to 125C) RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量（输入/输出）:2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray |
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