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SC16C554 Datasheet Quad Uart With 16-byte Fifo And Infrared (irda) Encoder/decoder

Manufacturer: NXP Semiconductors

Overview: SC16C554/554D Quad UART with 16-byte FIFO and infrared (IrDA) encoder/decoder Rev. 05 — 10 May 2004 Product data 1.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The SC16C554/554D is a 4-channel Universal Asynchronous Receiver and Transmitter (QUART) used for serial data munications.

Its principal function is to convert parallel data into serial data and vice versa.

The UART can handle serial data rates up to 5 Mbit/s.

Key Features

  • of the SC16C554/554D. Some of these added features are the 16-byte receive and transmit FIFOs, automatic hardware or software flow control and Infrared encoding/decoding. The selectable auto-flow control feature significantly reduces software overload and increases system efficiency while in FIFO mode by automatically controlling serial data flow using RTS output and CTS input signals. The SC16C554/554D also provides DMA mode data transfers through FIFO trigger levels and the TXRDY and RXRDY signals.

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