ZUSBOPTSC01ZACG datasheet(116/282 Pages) ZILOG

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PS022827-1212

P R E L I M I N A R Y

Universal Asynchronous Receiver/

Z8 Encore! XP® F082A Series

Product Specification

Universal Asynchronous Receiver/

Transmitter

The universal asynchronous receiver/transmitter (UART) is a full-duplex communication

channel capable of handling asynchronous data transfers. The UART uses a single 8-bit

data mode with selectable parity. Features of the UART include:

•

8-bit asynchronous data transfer

•

Selectable even- and odd-parity generation and checking

•

Option of one or two STOP bits

•

Separate transmit and receive interrupts

•

Framing, parity, overrun and break detection

•

Separate transmit and receive enables

•

16-bit baud rate generator (BRG)

•

Selectable MULTIPROCESSOR (9-bit) Mode with three configurable interrupt

schemes

•

Baud rate generator (BRG) can be configured and used as a basic 16-bit timer

•

Driver enable (DE) output for external bus transceivers

Architecture

The UART consists of three primary functional blocks: transmitter, receiver and baud rate

generator. The UART’s transmitter and receiver function independently, but employ the

same baud rate and data format. Figure 10 displays the UART architecture.

ZUSBOPTSC01ZACG 数据表(PDF) 116 Page - Zilog, Inc.

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