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. The MCP2140A operates in Data Communication Equipment (DCE) and Data Terminal Equipment (DTE) applications, residing between a UART and an infrared optical transceiver. It encodes asynchronous serial data streams into infrared (IR) formatted pulses and decodes received IR pulses for the host controller. The MCP2140A supports point-to-point applications, operating as a secondary device.
Product Attributes
- Brand: Microchip Technology Inc.
- Origin: Not specified
- Material: CMOS Technology
- Color: Not specified
- Certifications: Not specified
Technical Specifications
| Feature | Specification |
|---|---|
| IrDA Protocols Implemented | IrLAP, IrLMP, IAS, Tiny TP, IrCOMM (9-wire cooked service class) |
| Physical Signal Layer Support | Bidirectional communication, CRC implementation |
| Data Communication Rate | Fixed 9600 baud |
| Encoder/Decoder Functionality | UART-to-IrDA standard |
| UART Interface | Connects to DCE or DTE systems |
| Transmit/Receive Bit Widths | 1.63 s (Transmit & Receive), 3/16 bit time (Receive Only) |
| Hardware UART Support | 9.6 kbaud baud rate, 60 Byte Data Buffer Size (64 Byte Packet) |
| Infrared Support | 9.6 kbaud baud rate, 64 Byte Packet Size (60 Data Bytes) |
| Device Operation | Secondary Device |
| Operating Voltage | 2.0V to 5.5V |
| Low Power Mode | < 23 A (maximum) @ 2.0V (PHACT = L) |
| Power Consumption (Active) | < 407 A (maximum) @ 2.0V, 3.6864 MHz |
| Package Types | PDIP, SOIC, SSOP |
| Resets | RESET, POR (PWRT and OST) |
| Oscillator/Clock | OSC2/CLKI, OSC1 |
| Pin Functions | RXPDREF, TXIR, PHACT, RESET, VSS, NC, TX, RX, RI, DSR, DTR, CTS, RTS, VDD, CD, RXPD |
2411220247_MICROCHIP-MCP2140A-I-P_C646741.pdf
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