sc16c652-04 NXP Semiconductors, sc16c652-04 Datasheet

sc16c652-04

Manufacturer Part Number

sc16c652-04

Description

Sc16c652 Dual Uart With 32 Bytes Of Transmit And Receive Fifos

Manufacturer

NXP Semiconductors

Datasheet

1.SC16C652-04.pdf (41 pages)

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1. Description

2. Features

The SC16C652 is a 2 channel Universal Asynchronous Receiver and Transmitter

(UART) 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 Mbits/s. The SC16C652 is pin compatible with the SC16C2550. It will

power-up to be functionally equivalent to the 16C2450. The SC16C652 provides

enhanced UART functions with 32-byte FIFOs, modem control interface, DMA mode

data transfer. The DMA mode data transfer is controlled by the FIFO trigger levels

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

error indications and operational status. System interrupts and modem control

features may be tailored by software to meet speciﬁc user requirements. An internal

loop-back capability allows on-board diagnostics. Independent programmable baud

rate generators are provided to select transmit and receive baud rates.

The SC16C652 operates at 5 V, 3.3 V and 2.5 V and the Industrial temperature

range, and is available in a plastic LQFP48 package.

SC16C652

Dual UART with 32 bytes of transmit and receive FIFOs

Rev. 04 — 20 June 2003

2 channel UART

5 V, 3.3 V and 2.5 V operation

Industrial temperature range

Pin and functionally compatible to 16C2450 and software compatible with

SC16C650

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

32-byte transmit FIFO to reduce the bandwidth requirement of the external CPU

32-byte receive FIFO with error ﬂags to reduce the bandwidth requirement of the

external CPU

Independent transmit and receive UART control

Four selectable Receive and Transmit FIFO interrupt trigger levels

Automatic software/hardware ﬂow control

Programmable Xon/Xoff characters

Software selectable Baud Rate Generator

Sleep mode

Standard asynchronous error and framing bits (Start, Stop, and Parity Overrun

Break)

Transmit, Receive, Line Status, and Data Set interrupts independently controlled

Product data

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