SC16C554DB

更新时间： 2024-11-10 21:54:43

品牌	Logo	应用领域
恩智浦 - NXP		先进先出芯片
页数	文件大小	规格书
51页	246K
描述
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs

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SC16C554DB 数据手册

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

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

■ 4 channel UART

■ 5 V, 3.3 V and 2.5 V operation

■ Industrial temperature range (−40 °C to +85 °C)

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

ST16C454/554, ST68C454/554, ST16C554, TL16C554

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

compatible with ST16C454/554, ST16C554, TL16C554

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

■ 5 V tolerant inputs

■ 16-byte transmit FIFO

■ 16-byte receive FIFO with error ﬂags

■ Programmable auto-RTS and auto-CTS

◆ In auto-CTS mode, CTS controls transmitter

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

■ Automatic hardware ﬂow control (RTS/CTS)

■ Software selectable Baud Rate Generator

■ Four selectable Receive FIFO interrupt trigger levels

■ Standard modem interface

12 3 4 5 6 7...51

中文翻译

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与SC16C554DB相关器件

型号	品牌	获取价格	描述	数据表
SC16C554DBIA68	NXP	获取价格	5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
SC16C554DBIA68,529	NXP	获取价格	SC16C554B/554DB - 5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs LCC 6
SC16C554DBIB64	NXP	获取价格	5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
SC16C554DBIB64,128	NXP	获取价格	SC16C554B/554DB - 5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs QFP 6
SC16C554DBIB64,157	NXP	获取价格	SC16C554B/554DB - 5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs QFP 6
SC16C554DIA68	NXP	获取价格	Quad UART with 16-byte FIFO and infrared (IrDA) encoder/decoder
SC16C554DIA68,512	NXP	获取价格	SC16C554DIA68
SC16C554DIA68,518	NXP	获取价格	SC16C554DIA68
SC16C554DIB64	NXP	获取价格	Quad UART with 16-byte FIFO and infrared (IrDA) encoder/decoder
SC16C554DIB64,128	NXP	获取价格	SC16C554DIB64

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