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MCP2122-E/P 其他数据使用手册 - Microchip（微芯）
制造商:
Microchip（微芯）
分类:
接口芯片
封装:
DIP-8
描述:
MICROCHIP MCP2122-E/P 芯片, 红外编码器/解码器, DIP-8
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MCP2122-E/P数据手册
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2004 Microchip Technology Inc. Preliminary DS21894A-page 1
MCP2122
Features
• Pinout compatible with HSDL-7000
• Compliant with IrDA
®
Standard Physical Layer
Specification (version 1.3)
• UART to IrDA Standard Encoder/Decoder
- Interfaces with IrDA Standard Compliant
Transceiver
• Baud rates:
- Up to IrDA standard 115.2 Kbaud operation
• Transmit/Receive formats (bit width) supported:
-1.63µs
• Low-power mode (2 µA at 1.8V, +125°C)
CMOS Technology
• Low-voltage operation
• Extended temperature range
• Low power consumption
Package Types
Block Diagram
IrDA Family Selection
PDIP, SOIC
MCP2122
VSS
16XCLK
RESET
RXIR
TXIR
VDD
TX
RX
1
2
3
4
8
7
6
5
Encode
Decode
TX
TXIR
RX
RXIR
RESET
MCP2122
Reset
Baud Rate
Generator
Logic
16XCLK
Device
Baud Rate
Encoder/
Decoder
Protocol
Layer
Handler
Clock
Source
Host UART
Baud Rate
Selection
Comment
Host
UART
IR
MCP2120 2400 -
312,500
(1)
2400 -
312,500
(1)
Yes No XTAL HW/SW
MCP2122 2400 -
115,200
(1)
2400 -
312,500
(1)
Yes No 16XCLK By 16XCLK Extended Temperature Range
(-40°C to +125°C)
MCP2140 9600 9600 Yes IrCOMM
(3)
XTAL None -Fixed
MCP2150 9600 -
115,200
(2)
9600 -
115,200
(2)
Yes IrCOMM
(3)
XTAL HW Host UART easily interfaces to
a PC’s serial port (DTE)
MCP2155 9600 -
115,200
(2)
9600 -
115,200
(2)
Yes IrCOMM
(3)
XTAL HW Host UART easily interfaces to
a modem’s serial port (DCE)
Note 1: The host UART and the IR operate at the same baud rates.
2: The host UART baud rate and the IR baud rates operate independent of each other.
3: Supports the 9-wire “cooked” service class of the IrCOMM Application Layer Protocol.
Infrared Encoder/Decoder
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