M68HC11K datasheet(83/290 Pages) FREESCALE

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Operating Modes and On-Chip Memory

Memory Map

M68HC11K Family

Technical Data

MOTOROLA

Operating Modes and On-Chip Memory

Figure 4-4. M68HC11KS2 Family Memory Map

Table 4-4 shows the default memory map addresses for the M68HC11K

Family devices.

$0480

$1000

$0D80

$8000

$FFC0

$FFFF

EXTERNAL

0000

007F

0080

047F

0D80

0FFF

8000

FFFF

EXTERNAL

BE00

BFC0

BFFF

FFC0

FFFF

SINGLE-

CHIP

EXPANDED BOOTSTRAP

SPECIAL

TEST

EXTERNAL

Note: 1.EPROM can be enabled in special test mode by setting the ROMON bit in the CONFIG register after reset.

128-BYTE REGISTER BLOCK

(CAN BE REMAPPED TO ANY 4K

BOUNDARY BY THE INIT REGISTER)

1.0-KBYTE RAM

(CAN BE REMAPPED TO ANY 4-KBYTE

BOUNDARY BY THE INIT REGISTER)

640-BYTE EEPROM

(CAN BE REMAPPED TO ANY 4-KBYTE

BOUNDARY BY THE INIT2 REGISTER)

BOOT ROM

(ONLY PRESENT IN

SPECIAL BOOT MODE)

SPECIAL MODES

INTERRUPT

VECTORS

NORMAL MODES

INTERRUPT

VECTORS

32K ROM/

EPROM

(CAN BE

RE-MAPPED TO

$0000–$7FFF

BY THE CONFIG

$0000

Table 4-4. Default Memory Map Addresses

[7]11K4

[7]11KS2

Registers

$0000–$007F

RAM

$0080–$037F

$0080–$047F

EEPROM

$0D80–$0FFF

ROM/EPROM

$A000–$FFFF

$8000–$FFFF

Freescale Semiconductor, Inc.

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