Datasheet > M82510

M82510

更新时间： 2024-09-18 22:30:31

品牌	Logo	应用领域
英特尔 - INTEL		控制器
页数	文件大小	规格书
40页	453K
描述
ASYNCHRONOUS SERIAL CONTROLLER

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M82510 数据手册

M82510

ASYNCHRONOUS SERIAL CONTROLLER

Military

Asynchronous Operation

MCS -51 9-Bit Protocol Support

Ð 5- to 9-Bit Character Format

Ð Baud Rate DC to 288k

Ð Complete Error Detection

Control Character Recognition

CHMOS III with Power Down Mode

Interrupts Maskable at Two Levels

Auto Echo and Loopback Modes

Multiple Sampling Windows

Two, Independent, Four-Byte Transmit

and Receive FIFOs

Ð Programmable Threshold

Seven I/O Pins, Dedicated and General

Purpose

Two, 16-bit Baud Rate Generators/

Timers

Available in 28-Lead CERDIP and

28-Pad LCC Packages

System Clock Options

Ð On-Chip Crystal Oscillator

Ð External Clocks

Military Temperature Range:

55 C to 125 C (T )

The Intel CHMOS M82510 is designed to increase system efficiency in asynchronous environments such as

modems, serial portsÐincluding expanding performance areas: MCS -51 9-bit format and high speed async.

The functional support provided in the M82510 is unparalleledÐ2 baud rate generators/timers provide inde-

pendent data rates or protocol timeouts; a crystal oscillator and smart modem I/O simplify system logic. New

features, dual FIFOs and Control Character Recognition (CCR), dramatically reduce CPU interrupts and in-

crease software efficiency. The M82510’s software versatility allows emulation of the INS 8250A/16450 for

IBM PC AT* compatibility or a high performance mode, configured by 35 control registers. All interrupts are

maskable at 2 levels. The multi-personality I/O pins are configurable as desired. A DPLL and multiple sampling

of serial data improve data reliability for high speed asynchronous communication. The compact 28-pin

M82510 is fabricated in CHMOS III technology and includes a software powerdown option.

*IBM and PC AT are registered trademarks of IBM Corporation.

271072–1

Figure 1. Block Diagram

*Other brands and names are the property of their respective owners.

Information in this document is provided in connection with Intel products. Intel assumes no liability whatsoever, including infringement of any patent or

copyright, for sale and use of Intel products except as provided in Intel’s Terms and Conditions of Sale for such products. Intel retains the right to make

changes to these specifications at any time, without notice. Microcomputer Products may have minor variations to this specification known as errata.

March 1996

Order Number: 271072-007

12 3 4 5 6 7...40

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