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| 型號： | MCP2140AT-I/SS |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 47/66頁 |
| 文件大小： | 0K |
| 描述： | IC IRDA CONTROLLR DTE/DCE 20SSOP |
| 標(biāo)準(zhǔn)包裝： | 1,600 |
| 控制器類型： | IRDA 標(biāo)準(zhǔn)協(xié)議棧控制器 |
| 接口： | UART |
| 電源電壓： | 2 V ~ 5.5 V |
| 電流 - 電源： | 2.2mA |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SSOP（0.209"，5.30mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-SSOP |
| 包裝： | 帶卷 (TR) |
| 配用： | MCP2140DM-TMPSNS-ND - BOARD DEMO FOR MCP2140 |
| 其它名稱： | MCP2140AT-I/SSTR |
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2007-2011 Microchip Technology Inc.
DS22050B-page 51
MCP2140A
APPENDIX A: REVISION HISTORY
Revision B (October 2011)
Added Appendix F: “Device Errata”.
Added reference to Appendix F in Section 2.13
Moved CLKI pin from being multiplexed with
OSC1 to being multiplexed with OSC2; as shown
in Package Types and Table 1-2.
Revision A (June 2007)
Original release of this document.
APPENDIX B: HOW DEVICES
CONNECT
When two devices implementing the IrDA standard fea-
ture establish a connection using the IrCOMM protocol,
the process is analogous to connecting two devices
with serial ports using a cable. This is referred to as a
“point-to-point” connection. This connection is limited
to half-duplex operation because the IR transceiver
cannot transmit and receive at the same time. The pur-
pose of the IrDA protocols is to allow this half-duplex
link to emulate, as much as possible, a full-duplex con-
nection. In general, this is done by dividing the data into
“packets”, or groups of data. These packets can then
be sent back and forth, when needed, without risk of
collision. The rules of how and when these packets are
sent constitute the IrDA protocol. The MCP2140A sup-
ports elements of this IrDA standard protocol to com-
municate with other IrDA standard compatible devices.
When a wired connection is used, the assumption is
made that both sides have the same communications
parameters and features. A wired connection has no
need to identify the other connector because it is
assumed that the connectors are properly connected.
In the IrDA standard, a connection process has been
defined to identify other IrDA compatible devices and
establish a communication link. There are three steps
that these two devices go through to make this
connection. They are:
Normal Disconnect Mode (NDM)
Discovery Mode
Normal Connect Mode (NCM)
Figure B-1 shows the connection sequence.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCP2140DM-TMPSNS | 功能描述:溫度傳感器開發(fā)工具 MCP2140 IrDA Wire- less Temp Demo RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:Temperature Sensors and Control ICs 工具用于評估:MSP430G2553 接口類型:USB 工作電源電壓: 工作電源電流: |
| MCP2140-I/P | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 9600bd fixd spd IrDA RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| MCP2140-I/P | 制造商:Microchip Technology Inc 功能描述:IrDA Protocol Handler Communication IC |
| MCP2140-I/SO | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 9600bd fixd spd IrDA RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| MCP2140-I/SO | 制造商:Microchip Technology Inc 功能描述:IrDA Protocol Handler Communication IC |
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