sc16c654bibm NXP Semiconductors, sc16c654bibm Datasheet

sc16c654bibm

Manufacturer Part Number

sc16c654bibm

Description

5 V, 3.3 V And 2.5 V Quad Uart, 5 Mbit/s Max. , With 64-byte Fifos And Infrared Irda Encoder/decoder

Manufacturer

NXP Semiconductors

Datasheet

1.SC16C654BIBM.pdf (58 pages)

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1. General description

2. Features

The SC16C654B/654DB is a Quad 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 SC16C654B/654DB is pin compatible with the ST16C654 and TL16C754 and it will

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

enables the added features of the SC16C654B/654DB. Some of these added features are

the 64-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

SC16C654B/654DB also provides DMA mode data transfers through FIFO trigger levels

and the TXRDY and RXRDY signals. (TXRDY and RXRDY signals are not available in the

HVQFN48 package.) 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 SC16C654B/654DB operates at 5 V, 3.3 V and 2.5 V, and the industrial temperature

range, and is available in plastic PLCC68, LQFP64, HVQFN48 and LFBGA64 packages.

On the HVQFN48 package, only channel C has all the modem pins. Channel A and

channel B have only RTS and CTS pins, and channel D does not have any modem pin.

SC16C654B/654DB

5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.), with 64-byte

FIFOs and infrared (IrDA) encoder/decoder

Rev. 02 — 20 June 2005

4 channel UART

5 V, 3.3 V and 2.5 V operation

Industrial temperature range ( 40 C to +85 C)

SC16C654B is pin and software compatible with the industry-standard

ST16C454/554, ST16C654, ST68C454/554, TL16C554

SC16C654DB is pin and software compatible with ST16C654D, and software

compatible with ST16C454/554, ST68C454/554, 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

64-byte transmit FIFO

64-byte receive FIFO with error ﬂags

Automatic software (Xon/Xoff)/hardware (RTS/CTS) ﬂow control

Programmable Xon/Xoff characters

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