AN1746 View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

AN1746

Migrating from the MC68HC705K1 to the MC68HC705KJ1

Freescale Semiconductor 

Application Note

Freescale Semiconductor, Inc.

$0000

$001F

$0020

$00BF

$00C0

I/O REGISTERS

32 BYTES

UNUSED

160 BYTES

SRAM

64 BYTES

$00FF

$0100

STACK

SRAM

64 BYTES

UNUSED

512 BYTES

$02FF

$0300

USER EPROM

1232 BYTES

Port A Data Register

Port B Data Register

Unused

Unused

Port A Data Direction Register

Port B Data Direction Register

Unused

Unused

Timer Status and Control Register

Timer Counter Register

IRQ Status and Control Register

Unused

Unused

Unused

Unused

Unused

Pulldown Register A

Pulldown Register B

Unused

Unused

Unused

Unused

Unused

Unused

EPROM Programming Register

Unused

Unused

Unused

Unused

Unused

Unused

Reserved

$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

$07CF

$07D0

$07ED

$07EE

$07EF

$07F0

$07FF

UNUSED

30 BYTES

TEST ROM

2 BYTES

REGISTERS & VECTORS

(EPROM)

16 BYTES

COP Register

Mask Option Register

RESERVED

6 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)

Figure 6. MC68HC705KJ1 Memory and Register Map

$07F0

$07F1

•

•

•

$07F8

$07F9

$07FA

$07FB

$07FC

$07FD

$07FE

$07FF

For More Information On This Product,

Go to: www.freescale.com

AN1746

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