MCP2122 Microchip Technology, MCP2122 Datasheet
MCP2122
Manufacturer Part Number
MCP2122
Description
Converts serial data from UART bitstreams to IrDA standard bitstreams (encodes) and from IrDA standard bitstreams to UART bitstreams ...
Manufacturer
Microchip Technology
Datasheet
1.MCP2122.pdf
(34 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MCP2122
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Company:
Part Number:
MCP2122-E/P
Manufacturer:
MICROCHIP
Quantity:
12 000
Company:
Part Number:
MCP2122-E/SN
Manufacturer:
Vicor
Quantity:
20
Part Number:
MCP2122-E/SN
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Company:
Part Number:
MCP2122-E/SNG
Manufacturer:
PIXIM
Quantity:
7
Part Number:
MCP2122E/SN
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Part Number:
MCP2122T-E/SN
Manufacturer:
MICROCHI
Quantity:
20 000
Features
• Pinout compatible with HSDL-7000
• Compliant with IrDA
• UART to IrDA Standard Encoder/Decoder
• Baud Rates:
• Transmit/Receive Formats (Bit Width) Supported:
• Low-power Mode (2 µA at 1.8V, +125°C)
CMOS Technology
• Low-voltage operation
• Extended temperature range
• Low power consumption
IrDA Family Selection
2004 Microchip Technology Inc.
MCP2120 2400 -
MCP2122 2400 -
MCP2140 9600
MCP2150 9600 -
MCP2155 9600 -
Specification (version 1.3)
- Interfaces with IrDA Standard Compliant
- Up to IrDA Standard 115.2 Kbaud Operation
- 1.63 µs
Device
Note 1: The host UART and the IR operate at the same baud rates.
Transceiver
2: The host UART and IR baud rates operate independent of each other.
3: Supports the 9-wire “cooked” service class of the IrCOMM Application Layer Protocol.
312,500
115,200
115,200
115,200
UART
Host
Baud Rate
(1)
(2)
(2)
(1)
®
Standard Physical Layer
2400 -
312,500
2400 -
115,200
9600
9600 -
115,200
9600 -
115,200
IR
Infrared Encoder/Decoder
(1)
(2)
(2)
(1)
Encoder
Decoder
Yes
Yes
Yes
Yes
Yes
/
Protocol
Handler
IrCOMM
IrCOMM
IrCOMM
Preliminary
Layer
No
No
(3)
(3)
(3)
16XCLK By 16XCLK Extended Temperature Range
Source
Clock
Package Types
Block Diagram
XTAL
XTAL
XTAL
XTAL
16XCLK
RESET
PDIP, SOIC
RX
TX
None - Fixed
16XCLK
Host UART
Baud Rate
Selection
HW/SW
HW
HW
V
TX
RX
MCP2122
SS
Decode
Reset
Logic
MCP2122
Baud Rate
Generator
(-40°C to +125°C)
Host UART easily interfaces to
a PC’s serial port (DTE)
Host UART easily interfaces to
a modem’s serial port (DCE)
Encode
1
2
3
4
Comment
8
7
6
5
DS21894B-page 1
V
TXIR
RXIR
RESET
DD
TXIR
RXIR
Related parts for MCP2122
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet:
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet:
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet:
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet:
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet:
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet:
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet:
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet: