Infrared Encoder/Decoder - Microchip Technology - #1

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© 2007 Microchip Technology Inc. DS21618B-page 1 MCP2120 Features • Supports with IrDA® Physical Layer Specification (version 1.3) • UART to IR Encoder/Decoder - Interfaces with IrDA Compliant Transceivers - Used with any UART, including standard 16550 UART and microcontroller UART • Transmit/Receive formats supported: - 1.63ìs • Hardware or Software Baud rate selection - Up to IrDA standard 115.2 kbaud operation - Up to 312.5 kbaud operation (at 20 MHz) - Low power mode • Pb-free packaging CMOS Technology • Low-power, high-speed CMOS technology • Fully static design • Low voltage operation • Commercial and Industrial temperature ranges • Low power consumption - < 1 mA @ 3.3V, 8 MHz (typical) - 3 mA typical @ 5.0V when disabled Pin Diagrams Block Diagram PDIP, SOIC MCP2120 VDD OSC1/CLKIN OSC2 RESET RXIR TXIR MODE VSS EN TX RX BAUD0 BAUD1 BAUD2 1234567 14 13 12 11 10 98 Decode TX TXIR RX RXIR EN MCP2120 Logic Baud Rate BAUD2 Generator BAUD1 BAUD0 MODE Encode Infrared Encoder/Decoder