MCP2122-E/SN Microchip

MCP2122 MCP2122 Infrared Encoder/Decoder Features Package Types Pinout compatible with HSDL-7000 PDIP, SOIC Compliant with IrDA Standard Physical Layer 16XCLK 1 8 VDD Specification (version 1.3) 2 7 TXIR TX UART to IrDA Standard Encoder/Decoder 3 6 RXIR RX - Interfaces with IrDA Standard Compliant 4 5 VSS RESET Transceiver Baud Rates: - Up to IrDA Standard 115.2 Kbaud Operation Block Diagram Transmit/Receive Formats (Bit Width) Supported: MCP2122 -1.63s Low-power Mode (2 A at 1.8V, +125C) Pb-free packaging TX Encode TXIR CMOS Technology Reset RESET Low-voltage operation Logic Extended temperature range Low power consumption Baud Rate 16XCLK Generator RX Decode RXIR IrDA Family Selection Baud Rate Encoder Protocol Host UART Clock Device / Layer Baud Rate Comment Host Source IR Decoder Handler Selection UART MCP2120 2400 - 2400 - Yes No XTAL HW/SW (1) (1) 312,500 312,500 MCP2122 2400 - 2400 - Yes No 16XCLK By 16XCLK Extended Temperature Range (1) (1) 115,200 115,200 (-40C to +125C) (3) MCP2140 9600 9600 Yes IrCOMM XTAL None - Fixed (3) MCP2150 9600 - 9600 - Yes IrCOMM XTAL HW Host UART easily interfaces to (2) (2) 115,200 115,200 a PCs serial port (DTE) (3) MCP2155 9600 - 9600 - Yes IrCOMM XTAL HW Host UART easily interfaces to (2) (2) 115,200 115,200 a modems serial port (DCE) Note 1: The host UART and the IR operate at the same baud rates. 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. 2007 Microchip Technology Inc. Preliminary DS21894C-page 1MCP2122 NOTES: DS21894C-page 2 Preliminary 2007 Microchip Technology Inc.