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| 型號： | M82510 |
| 廠商： | Intel Corp. |
| 英文描述： | ASYNCHRONOUS SERIAL CONTROLLER |
| 中文描述： | 異步串行控制器 |
| 文件頁數(shù)： | 1/40頁 |
| 文件大?。?/td> | 463K |
| 代理商： | M82510 |
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*
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
COPYRIGHT
INTEL CORPORATION, 1996
Order Number: 271072-007
M82510
ASYNCHRONOUS SERIAL CONTROLLER
Military
Y
Asynchronous Operation
D 5- to 9-Bit Character Format
D Baud Rate DC to 288k
D Complete Error Detection
Y
Multiple Sampling Windows
Y
Two, Independent, Four-Byte Transmit
and Receive FIFOs
D Programmable Threshold
Y
Two, 16-bit Baud Rate Generators/
Timers
Y
System Clock Options
D On-Chip Crystal Oscillator
D External Clocks
Y
MCS
é
-51 9-Bit Protocol Support
Y
Control Character Recognition
Y
CHMOS III with Power Down Mode
Y
Interrupts Maskable at Two Levels
Y
Auto Echo and Loopback Modes
Y
Seven I/O Pins, Dedicated and General
Purpose
Y
Available in 28-Lead CERDIP and
28-Pad LCC Packages
Y
Military Temperature Range:
b
55
§
C to
a
125
§
C (T
C
)
The Intel CHMOS M82510 is designed to increase system efficiency in asynchronous environments such as
modems, serial portsDincluding expanding performance areas: MCS
é
-51 9-bit format and high speed async.
The functional support provided in the M82510 is unparalleledD2 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
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