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| 型号： | MCP2140AT-I/SS |
| 厂商： | Microchip Technology |
| 文件页数： | 47/66页 |
| 文件大小： | 0K |
| 描述： | IC IRDA CONTROLLR DTE/DCE 20SSOP |
| 标准包装： | 1,600 |
| 控制器类型： | IRDA 标准协议栈控制器 |
| 接口： | UART |
| 电源电压： | 2 V ~ 5.5 V |
| 电流 - 电源： | 2.2mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 20-SSOP |
| 包装： | 带卷 (TR) |
| 配用： | MCP2140DM-TMPSNS-ND - BOARD DEMO FOR MCP2140 |
| 其它名称： | 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCP2140DM-TMPSNS | 功能描述:温度传感器开发工具 MCP2140 IrDA Wire- less Temp Demo RoHS:否 制造商:Texas Instruments 产品类型:Temperature Sensors and Control ICs 工具用于评估:MSP430G2553 接口类型:USB 工作电源电压: 工作电源电流: |
| MCP2140-I/P | 功能描述:网络控制器与处理器 IC 9600bd fixd spd IrDA RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装: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:网络控制器与处理器 IC 9600bd fixd spd IrDA RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
| MCP2140-I/SO | 制造商:Microchip Technology Inc 功能描述:IrDA Protocol Handler Communication IC |
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