AM186ED-20KCSLASHW datasheet(1/88 Pages) AMD

部件名	AM186ED-20KC/W

功能描述	High Performance, 80C186- and 80C188-Compatible, 16-Bit Embedded Microcontrollers

PDF	88 Pages

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制造商	AMD [Advanced Micro Devices]

网页	http://www.amd.com

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1 / 88 page

PRELIMINARY

This document contains information on a product under development at Advanced Micro Devices. The information

is intended to help you evaluate this product. AMD reserves the right to change or discontinue work on this proposed

product without notice. AMD, the AMD logo, and combinations thereof are trademarks of Advanced Micro Devices,

Inc.

Publication# 21336

Rev: A Amendment/0

Issue Date: May 1997

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Am186TMED/EDLV

High Performance, 80C186- and 80C188-Compatible,

16-Bit Embedded Microcontrollers

DISTINCTIVE CHARACTERISTICS

n E86TM family 80C186- and 80C188-compatible

microcontroller with enhanced bus interface

– Lower system cost with higher performance

– 3.3-V ± 0.3-V operation (Am186EDLV

microcontrollers)

n Programmable DRAM Controller

– Supports zero-wait-state operation with 50-ns

DRAM at 40 MHz, 60-ns @ 33 MHz, 70-ns @ 25

MHz

– Includes programmable CAS-before-RAS

refresh capability

n High performance

– 20-, 25-, 33-, and 40-MHz operating frequencies

– Zero-wait-state operation at 40 MHz with 70-ns

static memory

– 1-Mbyte memory address space

– 64-Kbyte I/O space

n Enhanced features provide improved memory

access and remove the requirement for a 2x clock

input

– Nonmultiplexed address bus

– Processor operates at the clock input frequency

– 8-bit or 16-bit programmable bus sizing including

8-bit boot option

n Enhanced integrated peripherals

– 32 programmable I/O (PIO) pins

– Two full-featured asynchronous serial ports allow

full-duplex, 7-bit, 8-bit, or 9-bit data transfers

– Serial port hardware handshaking with CTS,

RTS, ENRX, and RTR selectable for each port

– Improved serial port operation enhances 9-bit

DMA support

– Independent serial port baud rate generators

– DMA to and from the serial ports

– Watchdog timer can generate NMI or reset

– A pulse-width demodulation option

– A data strobe, true asynchronous bus interface

option included for DEN

– Reset configuration register

n Familiar 80C186 peripherals

– Two independent DMA channels

– Programmable interrupt controller with up to 8 ex-

ternal and 8 internal interrupts

– Three programmable 16-bit timers

– Programmable memory and peripheral

chip-select logic

– Programmable wait state generator

– Power-save clock divider

n Software-compatible with the 80C186 and

80C188 microcontrollers with widely available

native development tools, applications, and

system software

n A compatible evolution of the Am186EM,

Am186ES, and Am186ER microcontrollers

n Available in the following packages:

– 100-pin, thin quad flat pack (TQFP)

– 100-pin, plastic quad flat pack (PQFP)

GENERAL DESCRIPTION

The Am186TMED/EDLV microcontrollers are part of the

AMD E86TM family of embedded microcontrollers and mi-

croprocessors based on the x86 architecture. The

Am186ED/EDLV microcontrollers are the ideal upgrade

for 80C186/188 designs requiring 80C186/188 compat-

ibility, increased performance, serial communications, a

direct bus interface, and more than 64K of memory.

The Am186ED/EDLV microcontrollers integrate a com-

plete DRAM controller to take advantage of low DRAM

costs. This reduces memory subsystem costs while

maintaining SRAM performance.The Am186ED/EDLV

microcontrollers also integrate the functions of a CPU,

nonmultiplexed address bus, three timers, watchdog

timer, chip selects, interrupt controller, two DMA control-

lers, two asynchronous serial ports, programmable bus

sizing, and programmable I/O (PIO) pins on one chip.

Compared to the 80C186/188 microcontrollers, the

Am186ED/EDLV microcontrollers enable designers to

reduce the size, power consumption, and cost of em-

bedded systems, while increasing reliability, functional-

ity, and performance.

The Am186ED/EDLV microcontrollers have been

designed to meet the most common requirements of

embedded products developed for the communications,

office automation, mass stor age, and general

embedded markets. Specific applications include

PBXs, multiplexers, modems, disk drives, hand-held

and desktop terminals, fax machines, printers,

photocopiers, and industrial controls.

类似零件编号 - AM186ED-20KC/W

制造商	部件名	数据表	功能描述
Rochester Electronics	AM186ED-20KC	592Kb / 1P	ADVANCED MICROCONTROLLER from the Am186ED/EDLV family made from original AMD wafers

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