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infrared serial interface MICROCHIP MCP2140A I SS with fixed baud rate and easy integration features

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infrared serial interface MICROCHIP MCP2140A I SS with fixed baud rate and easy integration features

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Voltage - Supply : 3V~5.5V

Description : 3V~5.5V SSOP-20-208mil IrDA Transceiver Modules RoHS

Mfr. Part # : MCP2140A-I/SS

Model Number : MCP2140A-I/SS

Package : SSOP-20-208mil

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Product Overview

The MCP2140A is a cost-effective, low pin count (18-pin), easy-to-use device for implementing IrDA standard wireless connectivity. It provides support for the IrDA standard protocol stack, bit encoding/decoding, and low-cost, discrete IR receiver circuitry. The MCP2140A is footprint compatible with the MCP2140. The serial and IR interface baud rates are fixed at 9600 baud. It operates in Data Communication Equipment (DCE) and Data Terminal Equipment (DTE) applications, residing between a UART and an infrared optical transceiver. The MCP2140A encodes an asynchronous serial data stream into infrared (IR) formatted pulses and decodes received IR pulses for the host controller. It supports point-to-point applications as a secondary device.

Product Attributes

  • Brand: Microchip Technology Inc.
  • Origin: Not specified
  • Material: CMOS Technology
  • Color: Not specified
  • Certifications: FCC Part 15 (implied advantage for infrared technology)

Technical Specifications

FeatureSpecification
IrDA Protocols ImplementedIrLAP, IrLMP, IAS, Tiny TP, IrCOMM (9-wire cooked service class)
Physical Signal Layer SupportBidirectional communication, CRC implementation
Data Communication RateFixed 9600 baud
Encoder/Decoder FunctionalityUART-to-IrDA standard
UART InterfaceConnects to DCE or DTE systems
Transmit/Receive Formats (bit width)1.63 s (Transmit & Receive), 3/16 bit time (Receive Only)
Hardware UART Support9.6 kbaud baud rate, 60 Byte Data Buffer Size (64 Byte Packet)
Infrared Support9.6 kbaud baud rate, 64 Byte Packet Size (60 Data Bytes)
Operating ModeSecondary Device
Operating Voltage2.0V to 5.5V
Low Power Mode (Automatic)< 23 A (maximum) @ 2.0V (PHACT = L)
Low Power Consumption (Active)< 407 A (maximum) @ 2.0V, 3.6864 MHz
Package TypesPDIP, SOIC (18-pin), SSOP (20-pin)
ResetsRESET, POR (PWRT and OST)
Oscillator/ClockOSC2/CLKI, OSC1
IR RX Photo Detect Diode ReferenceRXPDREF (VDD/2 typical)
IR RX Photo Detect Diode InputRXPD (pulse required, crosses threshold set by RXPDREF)
Protocol Handler Active OutputPHACT (Open Collector, 1 = Discovery/NRM, 0 = NDM/Low Power)
Ring Indicator InputRI (1 = No Ring Indicate, 0 = Ring Indicate Present)
Data Set Ready OutputDSR (1 = No IR Link, 0 = IR Link Established)
Data Terminal Ready InputDTR (1 = Device not ready, 0 = Device ready)
Clear to Send OutputCTS (1 = Host should not send, 0 = Host may send)
Request to Send InputRTS (1 = Host not ready to receive, 0 = Host ready to receive)
Carrier Detect InputCD (1 = No carrier, 0 = Carrier present)

2411220247_MICROCHIP-MCP2140A-I-SS_C639047.pdf


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