CAM35C44 datasheet(2/50 Pages) SMSC

2 / 50 page

TABLE OF CONTENTS

FEATURES .............................................................................................................................................. 1

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

ARCHITECTURE ..................................................................................................................................... 4

PIN CONFIGURATION ............................................................................................................................ 5

DESCRIPTION OF PIN FUNCTIONS ...................................................................................................... 6

BUFFER-TYPE SUMMARY ........................................................................................................................... 11

CLOCK GENERATOR........................................................................................................................... 12

MULTIHOST CPU INTERFACE ............................................................................................................ 13

HOST INTERFACE SELECT .......................................................................................................................... 14

HOST INTERFACE PIN MULTIPLEXING........................................................................................................... 14

System Data Bus ................................................................................................................................... 14

ISA Address Bus SA0 - SA1 .................................................................................................................. 15

ISA Address Bus SA2 - SA4 .................................................................................................................. 15

ISA nIOR ................................................................................................................................................ 15

ISA nIOW ............................................................................................................................................... 15

REGISTER ADDRESS MAP.................................................................................................................. 16

NON-MULTIPLEXED (ISA) ADDRESSING....................................................................................................... 16

MULTIPLEXED ADDRESSING........................................................................................................................ 17

CONFIGURATION ................................................................................................................................. 18

CONFIGURATION ACCESS PORTS................................................................................................................ 18

CONFIGURATION STATE ............................................................................................................................. 19

CONFIGURATION REGISTERS ...................................................................................................................... 21

INFRARED INTERFACE ....................................................................................................................... 30

IRDA SIR/FIR ......................................................................................................................................... 30

ASKIR .................................................................................................................................................... 30

CONSUMER IR .......................................................................................................................................... 30

HARDWARE INTERFACE ............................................................................................................................. 30

GENERAL PURPOSE I/O ..................................................................................................................... 32

INTRODUCTION.......................................................................................................................................... 32

DESCRIPTION............................................................................................................................................ 32

REGISTERS .............................................................................................................................................. 34

DC ELECTRICAL CHARACTERISTICS ............................................................................................... 36

A.C. TIMING .......................................................................................................................................... 38

CLOCK AND RESET TIMING ......................................................................................................................... 38

READ CYCLE TIMING (NON-MULTIPLEXED)................................................................................................... 39

READ CYCLE TIMING (MULTIPLEXED)........................................................................................................... 40

WRITE CYCLE TIMING (NON-MULTIPLEXED) ................................................................................................. 41

WRITE CYCLE TIMING (MULTIPLEXED) ......................................................................................................... 42

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