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IRCC Datasheet(PDF) 1 Page - SMSC Corporation |
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IRCC Datasheet(HTML) 1 Page - SMSC Corporation |
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1 / 79 page  IrCC Infrared Communications Controller FEATURES • Multi-Protocol Serial Communications Controller • Full IrDA v1.1 Implementation: 2.4Kbps, 115.2Kbps, .576Mbps, 1.152Mbps and 4Mbps • Consumer Infrared (TV Remote Control) Interface • SHARP Amplitude Shift Keyed Infrared (ASK IR) Interface • Direct Rx/Tx Infrared Diode Control (Raw) and General Purpose Data Pins • Programmable High-Speed Synchronous Communications Engine (SCE) with a 128- Byte FIFO and Programmable Threshold • High-Speed NS16C550A-Compatible Universal Asynchronous Receiver/ Transmitter Interface (ACE UART2) with 16- Byte Send and Receive FIFOs • ISA Single-Byte and Burst-Mode DMA and Interrupt-Driven Programmed I/O with Zero Wait State and String Move Timing • 16-bit CRC-CCITT and 32-bit IEEE 802 CRC32 Hardware CRC Generators GENERAL DESCRIPTION This document describes the Infrared Communications Controller (IrCC) function which is common to a number of SMSC products including the FDC37C669FR, FDC37C93xFR, and FDC37C957FR devices. The IrCC consists of two main architectural blocks: the ACE 16550A UART and a Synchronous Communications Engine (SCE) (Figure 2). Each block is supported by its own unique register set. The IrCC UART-driven IrDA SIR and SHARP ASK modes are backward-compatible with early SMSC Super I/O and Ultra I/O infrared implementations. The IrCC SCE supports IrDA v1.1 .576Mbps, 1.152Mbps, 4Mbps, and Consumer IR modes. All of the SCE modes use DMA. The IrCC offers flexible signal routing and programmable output control through the Raw mode interface, General Purpose Data pins and Output Multiplexer. Chip-level address decoding is required to access the IrCC register sets. |
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