参数资料
型号: MCP2140A-I/SS
厂商: Microchip Technology
文件页数: 6/66页
文件大小: 0K
描述: IC IRDA CONTROLLR DTE/DCE 20SSOP
标准包装: 67
控制器类型: IRDA 标准协议栈控制器
接口: UART
电源电压: 3 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: 管件
产品目录页面: 685 (CN2011-ZH PDF)
配用: MCP2140DM-TMPSNS-ND - BOARD DEMO FOR MCP2140
MCP2140A
DS22050B-page 14
2007-2011 Microchip Technology Inc.
2.7
IrDA Data Protocols Supported by
MCP2140A
The MCP2140A supports these required IrDA standard
protocols:
Physical Signaling Layer (PHY)
Link Access Protocol (IrLAP)
Link Management Protocol/Information Access
Service (IrLMP/IAS)
The MCP2140A also supports some of the optional
protocols for IrDA standard data. The optional
protocols implemented by the MCP2140A are:
Tiny TP
IrCOMM
Figure 2-8 shows the IrDA data protocol stack and
those components implemented by the MCP2140A.
FIGURE 2-8:
IrDA DATA - PROTOCOL
STACKS
2.7.1
IrCOMM
IrCOMM provides the method to support serial and par-
allel port emulation. This is useful for legacy COM
applications, such as printers and modem devices.
The IrCOMM standard is a syntax that allows the pri-
mary device to consider the secondary device a serial
device. IrCOMM allows for emulation of serial or paral-
lel (printer) connections of various capabilities. The
MCP2140A supports the 9-wire “cooked” service class
of IrCOMM. Other service classes supported by
IrCOMM are shown in Figure 2-9.
The IrDA protocol for printer support is not included in
the IrCOMM 9-wire “cooked” service class.
FIGURE 2-9:
IRCOMM SERVICE CLASSES
IrCOMM(1)
IR Link Management - Mux (IrLMP)
IR Link Access Protocol (IrLAP)
Optional IrDA data
protocols not
Supported by
the MCP2140A
supported by
the MCP2140A
IrTran-P
IrObex IrLan
IrMC
LM-IAS
Tiny Transport Protocol (Tiny TP)
Synchronous
4 PPM
(4 Mb/s)
Synchronous
Serial IR
(1.152 Mb/s)
Asynchronous
Serial IR (2, 3)
(9600 -115200 b/s)
Note 1: The MCP2140A implements the 9-wire
“cooked” service class serial replicator.
2: The MCP2140A is fixed at 9600 baud
3: An optical transceiver is required.
IrCOMM Services
Uncooked Services
Cooked Services
Parallel
Serial
IrLPT
3-wire Raw
Parallel
Centronics
IEEE 1284
Serial
3-wire Cooked
9-wire Cooked
Supported by MCP2140A
3-wire Raw
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