ELANSC310 datasheet(5/119 Pages) AMD

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Élan™SC310 Microcontroller Data Sheet

TABLE OF CONTENTS

Distinctive Characteristics ............................................................................................................ 1

General Description ..................................................................................................................... 2

Customer Service ........................................................................................................................ 2

Block Diagram ............................................................................................................................. 3

Ordering Information .................................................................................................................... 4

Connection Diagram .................................................................................................................. 11

ÉlanSC310 Microcontroller Pin Designations ............................................................................ 12

Pin Designations (Sorted by Pin Number) ................................................................................. 13

Pin Designations (Sorted By Pin Name) .................................................................................... 15

Pin State Tables ........................................................................................................................ 21

Pin Characteristics ................................................................................................................ 21

Pin Descriptions ......................................................................................................................... 30

Memory Bus Interface................................................................................................................ 30

CAS1H [SRCS3], CAS1L [SRCS2], CAS0H [SRCS1], CAS0L [SRCS0] ............................. 30

DOSCS ................................................................................................................................. 30

MA11–MA0/SA23–SA12....................................................................................................... 30

MWE ..................................................................................................................................... 30

RAS1–RAS0 ......................................................................................................................... 30

ROMCS................................................................................................................................. 30

System Interface ........................................................................................................................ 31

AEN [TDI] .............................................................................................................................. 31

D15–D0 ................................................................................................................................. 31

DACK2 [TCK] ........................................................................................................................ 31

DBUFOE ............................................................................................................................... 31

DRQ2 [TDO].......................................................................................................................... 31

ENDIRH ................................................................................................................................ 31

ENDIRL ................................................................................................................................. 31

IOCHRDY.............................................................................................................................. 31

IOCS16 ................................................................................................................................. 31

IOR........................................................................................................................................ 31

IOW ....................................................................................................................................... 31

IRQ1, IRQ14 ......................................................................................................................... 32

MCS16 .................................................................................................................................. 32

MEMR ................................................................................................................................... 32

MEMW .................................................................................................................................. 32

PIRQ0 (IRQ6), PIRQ1 (IRQ3) ............................................................................................... 32

RSTDRV ............................................................................................................................... 32

SA11–SA0............................................................................................................................. 32

SBHE .................................................................................................................................... 32

SPKR .................................................................................................................................... 32

TC [TMS]............................................................................................................................... 32

Keyboard Interface .................................................................................................................... 32

8042CS [XTDAT] .................................................................................................................. 32

A20GATE .............................................................................................................................. 32

RC ......................................................................................................................................... 33

SYSCLK [XTCLK] ................................................................................................................. 33

Parallel Port Interface ................................................................................................................ 33

ACK........................................................................................................................................ 33

AFDT [X14OUT].................................................................................................................... 33

BUSY .................................................................................................................................... 33

ERROR ................................................................................................................................. 33

INIT ....................................................................................................................................... 33

PE ......................................................................................................................................... 33

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