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MCP2140
  • MCP2140
  • MCP2140
  • MCP2140

MCP2140

Not Recommended for new designs

The MCP2140 is a cost-effective, low pin count (18-pin), easy-to-use device for implementing IrDA standard wireless connectivity. The MCP2140 provides support for the IrDA standard protocol "stack", bit encoding/decoding and low cost, discrete IR receiver circuitry. The serial and IR interface baud rates are fixed at 9600 baud. The serial interface and IR interface baud rates are dependent on the device frequency, but IrDA standard operation requires a device frequency of 7.3728 MHz. The MCP2140 will specify to the Primary Device the IR baud rate during the Discover phase.              ...

Microchip Technology MCP2140 Product Info

16 April 2026 1

Parameters

Xmit/Rec Formats supported (µS)

1.63

Max. Baud Rate (baud)

9600

Operating Voltage Min. (V)

3

Operating Voltage Max. (V)

5.5

Title

Fixed Speed 9600 Baud IrDA Protocol Stack Controller

Features

  • IrLAP
  • IrLMP
  • IAS
  • TinyTP
  • IrCOMM (9-wire "cooked" service class)
  • Bidirectional communication
  • CRC implementation
  • Fixed Data communication rate of 9600 baud
  • Easily interfaces with Industry standard UARTs and infrared transceivers
  • UART interface for connecting to Data CommunicationsEquipment (DCE) or Data Terminal Equipment (DTE) systems
  • Transmit/Receive formats (bit width) supported: 1.63 µs
  • 9.6 kbaud baud rate
  • 29 Byte Data Buffer Size
  • 9.6 kbaud baud rate
  • 64 Byte Data Packet Size
  • Operates as Secondary Device
  • <60 µA when no IR activity present (PHACT=L)

Description

The MCP2140 is a cost-effective, low pin count (18-pin), easy-to-use device for implementing IrDA standard wireless connectivity. The MCP2140 provides support for the IrDA standard protocol "stack", bit encoding/decoding and low cost, discrete IR receiver circuitry.

The serial and IR interface baud rates are fixed at 9600 baud. The serial interface and IR interface baud rates are dependent on the device frequency, but IrDA standard operation requires a device frequency of 7.3728 MHz.

The MCP2140 will specify to the Primary Device the IR baud rate during the Discover phase.

 

 

 

 

 

 

 

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