ECE 2325 UMD S.Norr – Fall 2002

68HC11 EVB – MEMORY MAP

ADDRESS CONTENTS

$0000 –

Internal RAM – This part allocated to

$003F storing ASCII Characters

$0040 –

Internal RAM – Available to use (not recom-

$00FF mended)

$0100 -

Not Available

$0FFF

$1000 –

Register Block (Internal I/O)

$103F

$1040 –

External or Not Available

$5FFF

$6000 –

External EPROM

$7FFF

$8000 –

Reserved

$97FF

$9800 –

UART – 6850 Chip

$9FFF

$A000 –

Not Available

$B5FF

$B600 –

Internal EEPROM

$B7FF

$B800 –

Not Available

$BFFF

$C000 –

External RAM (Store Programs and

Data Here)

$DFFF

$E000 –

Motorola Buffalo Monitor Program

$FFFF

<----------Memory is 1-Byte Wide ------------>