参数资料
型号: MCP2150DM
厂商: Microchip Technology
文件页数: 15/52页
文件大小: 0K
描述: BOARD DEMO FOR MCP2150
标准包装: 1
主要目的: 接口,IrDA
嵌入式: 是,MCU,8 位
已用 IC / 零件: MCP2150
主要属性: 带 PIC18F MCU 的 IrDA 控制器
次要属性: USB 接口
已供物品:
产品目录页面: 685 (CN2011-ZH PDF)
MCP2150
DS21655B-page 22
Preliminary
2002 Microchip Technology Inc.
2.14
Optical Transceiver
The MCP2150 requires an infrared transceiver. The
transceiver can be an integrated solution. Table 2-6
shows a list of common manufacturers of integrated
optical transceivers. A typical optical transceiver cir-
cuit, using a Vishay/Temic TFDS4500, is shown in
FIGURE 2-12:
TYPICAL OPTICAL
TRANSCEIVER
CIRCUIT
The optical transceiver logic can be implemented with
discrete components for cost savings. Care must be
taken in the design and layout of the photo detect cir-
cuit, due to the small signals that are being detected
and their sensitivity to noise. A discrete implementation
of the optical transceiver logic is implemented on the
MCP2120 and MCP2150 Developer’s Kit boards.
2.15
References
The IrDA Standards download page can be found at:
http://www.irda.org/standards/specifications
Some common manufacturers of Optical Transceivers
are shown in Table 2-6.
TABLE 2-6:
COMMON OPTICAL
TRANSCEIVER
MANUFACTURERS
Note:
The discrete optical transceiver implemen-
tation on the MCP2120 and MCP2150
Developer’s Kit boards may not meet the
IrDA specifications for the physical layer
(IrPHY). Any discrete solution will require
appropriate validation for the user’s
application.
+5 V
R11
22
TFDS4500
U6
8
7
6
5
47
R13
1
2
3
4
C18
.1 F
RXIR
Pin 3)
(To MCP2150
Pin 2)
TXIR
(To MCP2150
Company
Company Web Site Address
Infineon
www.infineon.com
Agilent
www.agilent.com
Vishay/Temic
www.vishay.com
Rohm
www.rohm.com
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