AM186ED-20KCSLASHW datasheet(4/88 Pages) AMD

4 / 88 page

Am186ED/EDLV Microcontrollers

PRELI M INARY

F T

TABLE OF CONTENTS

DISTINCTIVE CHARACTERISTICS ........................................................................................... 1

GENERAL DESCRIPTION .......................................................................................................... 1

AM186ED/EDLV MICROCONTROLLERS BLOCK DIAGRAM ................................................... 2

ORDERING INFORMATION ....................................................................................................... 3

Standard Products ........................................................................................................... 3

RELATED AMD PRODUCTS ...................................................................................................... 9

E86

™ Family Devices ...................................................................................................... 9

Related Documents ....................................................................................................... 10

Third-Party Development Support Products .................................................................. 10

Customer Service .......................................................................................................... 10

KEY FEATURES AND BENEFITS ............................................................................................ 10

Application Considerations .............................................................................................11

COMPARING THE AM186ED/EDLV TO THE AM186ES/ESLV MICROCONTROLLERS ........ 12

Integrated DRAM Controller ........................................................................................... 12

Enhanced Refresh Control Unit ..................................................................................... 13

Option to Overlap DRAM with PCS ............................................................................... 13

Additional Serial Port Mode for DMA Support of 9-bit Protocols .................................... 13

Option to Boot from 8- or 16-bit Memory ....................................................................... 13

Improved External Bus Master Support ......................................................................... 13

PSRAM Controller Removed ......................................................................................... 13

TQFP CONNECTION DIAGRAMS AND PINOUTS .................................................................. 14

Top Side View—100-Pin Thin Quad Flat Pack (TQFP) ................................................. 14

TQFP PIN DESIGNATIONS ....................................................................................................... 15

Sorted by Pin Number .................................................................................................... 15

Sorted by Pin Name ....................................................................................................... 16

PQFP CONNECTION DIAGRAMS AND PINOUTS .................................................................. 17

Top Side View—100-Pin Plastic Quad Flat Pack (PQFP) ............................................. 17

PQFP PIN DESIGNATIONS ....................................................................................................... 18

Sorted by Pin Number .................................................................................................... 18

Sorted by Pin Name ....................................................................................................... 19

LOGIC SYMBOL—AM186ED/EDLV MICROCONTROLLERS ................................................. 20

PIN DESCRIPTIONS ................................................................................................................. 21

Pins That Are Used by Emulators .................................................................................. 21

Pin Terminology ............................................................................................................. 21

A19–A0 (A19/PIO9, A18/PIO8, A17/PIO7) .................................................................... 21

AD15–AD8 ..................................................................................................................... 21

AD7–AD0 ....................................................................................................................... 21

ALE ................................................................................................................................ 21

ARDY ............................................................................................................................. 22

BHE/ADEN ..................................................................................................................... 22

CLKOUTA ...................................................................................................................... 22

CLKOUTB ...................................................................................................................... 22

CTS0/ENRX0/PIO21 ...................................................................................................... 22

DEN/DS/PIO5 ................................................................................................................ 23

DRQ0/INT5/PIO12 ......................................................................................................... 23

DRQ1/INT6/PIO13 ......................................................................................................... 23

DT/R/PIO4 ..................................................................................................................... 23

GND ............................................................................................................................... 23

HLDA ............................................................................................................................. 23

HOLD ............................................................................................................................. 23

INT0 ............................................................................................................................... 24

INT1/SELECT ................................................................................................................ 24

AM186ED-20KC/W 数据表(PDF) 4 Page - Advanced Micro Devices

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