SC16C554DB datasheet(1/51 Pages) PHILIPS

Part #	SC16C554DB

Description	5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs

PDF	51 Pages

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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1.

General description

The SC16C554B/554DB is a 4-channel Universal Asynchronous Receiver and

Transmitter (QUART) used for serial data communications. 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. It comes with an Intel® or Motorola® interface.

The SC16C554B/554DB is pin compatible with the ST16C554 and TL16C554 and it will

power-up to be functionally equivalent to the 16C454. Programming of control registers

enables the added features of the SC16C554B/554DB. Some of these added features are

the 16-byte receive and transmit FIFOs, four receive trigger levels. The

SC16C554B/554DB also provides DMA mode data transfers through FIFO trigger levels

and the TXRDY and RXRDY signals. On-board status registers provide the user with error

indications, operational status, and modem interface control. System interrupts may be

tailored to meet user requirements. An internal loop-back capability allows on-board

diagnostics.

The SC16C554B/554DB operates at 5 V, 3.3 V and 2.5 V, and the industrial temperature

range, and is available in plastic PLCC68, LQFP64, and LQFP80 packages.

2.

Features

s 4 channel UART

s 5 V, 3.3 V and 2.5 V operation

s Industrial temperature range (

−40 °C to +85 °C)

s The SC16C554B is pin and software compatible with the industry-standard

ST16C454/554, ST68C454/554, ST16C554, TL16C554

s The SC16C554DB is pin and software compatible with ST16C554D, and software

compatible with ST16C454/554, ST16C554, TL16C554

s Up to 5 Mbit/s data rate at 5 V and 3.3 V, and 3 Mbit/s at 2.5 V

s 5 V tolerant inputs

s 16-byte transmit FIFO

s 16-byte receive FIFO with error ﬂags

s Programmable auto-RTS and auto-CTS

x In auto-CTS mode, CTS controls transmitter

x In auto-RTS mode, RxFIFO contents and threshold control RTS

s Automatic hardware ﬂow control (RTS/CTS)

s Software selectable Baud Rate Generator

s Four selectable Receive FIFO interrupt trigger levels

s Standard modem interface

SC16C554B/554DB

5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte

FIFOs

Rev. 01 — 9 February 2005

Product data sheet

Similar Part No. - SC16C554DB

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NXP Semiconductors	SC16C554DBIA68	1Mb / 58P	5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs Rev. 4-8 June 2010
	SC16C554DBIA68	1Mb / 58P	5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs Rev. 4-8 June 2010
	SC16C554DBIB64	1Mb / 58P	5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs Rev. 4-8 June 2010
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Manufacturer	Part #	Datasheet	Description
NXP Semiconductors	SC16C752B	225Kb / 47P	5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs Rev. 03-14 December 2004
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SC16C554DB Datasheet(PDF) 1 Page - NXP Semiconductors

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