AN1746 Datasheet, PDF(7/16 Page) Freescale Semiconductor, Inc – Migrating from the MC68HC705K1 to the MC68HC705KJ1

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AN1746 Datasheet, PDF (7/16 Pages) Freescale Semiconductor, Inc – Migrating from the MC68HC705K1 to the MC68HC705KJ1

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Freescale Semiconductor, Inc.

Application Note

Migrating to the MC68HC705KJ1

$0000

$001F

$0020

$00DF

$00E0

I/O REGISTERS

32 BYTES

UNUSED

192 BYTES

SRAM

32 BYTES

$00FF

$0100

STACK

SRAM

32 BYTES

UNUSED

256 BYTES

$01FF

$0200

USER EPROM

496 BYTES

Port A Data Register

Port B Data Register

Unused

Port A Data Direction Register

Port B Data Direction Register

Unused

Timer Status and Control Register

Timer Counter Register

IRQ Status and Control Register

Unused

PEPROM Bit Select Register

PEPROM Status and Control Register

Pulldown Register A

Pulldown Register B

Unused

Mask Option Register

EPROM Programming Register

Unused

Test

$0000

$0001

$0002

$0003

$0004

$0005

$0006

$0007

$0008

$0009

$000A

$000B

$000C

$000D

$000E

$000F

$0010

$0011

$0012

$0013

$0014

$0015

$0016

$0017

$0018

$0019

$001A

$001B

$001C

$001D

$001E

$001F

$03EF

$03F0

$03F7

$03F8

$03FF

TEST ROM AND

COP REGISTER

8 BYTES

USER VECTORS

EPROM

8 BYTES

COP Register

RESERVED

7 BYTES

Timer Interrupt Vector (MSB)

Timer Interrupt Vector (LSB)

External Interrupt Vector (MSB)

External IInterrupt Vector (LSB)

Software Interrupt Vector (MSB)

Software Interrupt Vector (LSB)

Reset Vector (MSB)

Reset Vector (LSB)

$03F0

â¢

$03F8

$03F9

$03FA

$03FB

$03FC

$03FD

$03FE

$03FF

Figure 5. MC68HC705K1 Memory and Register Map

AN1746

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