MCP2140

M Features Implements the IrDA standard, including: - IrLAP - IrLMP - IAS - TinyTP - IrCOMM (9-wire “cooked” service class) Provides IrDA standard physical signal layer support including: - Bidirectional communication - CRC implementation - Fixed Data communication rate of 9600 baud Includes UART-to-IrDA standard encoder/ decoder functionality: - Easily interfaces with industry standard UARTs and infrared transceivers UART interface for connecting to Data Communications Equipment (DCE) or Data Terminal Equipment (DTE) systems Transmit/Receive formats (bit width) supported: - 1.63 µs Hardware UART Support: - 9.6 kbaud baud rate - 29 Byte Data Buffer Size Infrared Supported: - 9.6 kbaud baud rate - 64 Byte Data Packet Size Operates as Secondary Device Automatic Low Power mode - < 60 µA when no IR activity present (PHACT = L) ® www.DataSheet4U.com MCP2140 Package Types PDIP, SOIC RXPDREF TXIR PHACT RESET VSS NC TX RX RI 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 RXPD CD OSC1/CLKI OSC2 VDD RTS CTS DTR DSR IrDA® Standard Protocol Stack Controller With Fixed 9600 Baud Communication Rate MCP2140 SSOP RXPDREF TXIR PHACT RESET VSS VSS NC TX RX RI 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 RXPD CD OSC1/CLKI OSC2 VDD VDD RTS CTS DTR DSR MCP2140 Block Diagram MCP2140 TX Encode and Protocol Handler Logic PHACT Baud Rate Generator Protocol Handler and Decode + RXPD RXPDREF OSC1 OSC2 TXIR CMOS Technology Low power, high-speed CMOS technology Ful...