MC68HC05K0 Datasheet, PDF(31/154 Page) Freescale Semiconductor, Inc

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MC68HC05K0 Datasheet, PDF (31/154 Pages) Freescale Semiconductor, Inc – HCMOS Microcontroller Unit

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Freescale Semiconductor, Inc.

Memory

RAM

$0000

$001F

$0020

$00DF

$00E0

$00FF

$0100

$01FF

$0200

I/O

32 BYTES

USER ROM

192 BYTES

STACK AND RAM

32 BYTES

UNUSED

256 BYTES

USER ROM

496 BYTES

PORT A DATA REGISTER

PORT B DATA REGISTER

UNUSED

PORT A DATA DIRECTION REGISTER

PORT B DATA DIRECTION REGISTER

UNUSED

TIMER STATUS & CONTROL REGISTER

TIMER COUNTER REGISTER

IRQ STATUS & CONTROL REGISTER

UNUSED

PEPROM SELECT REGISTER(1)

PEPROM STATUS & CONTROL REGISTER(1)

PULLDOWN REGISTER A

PULLDOWN REGISTER B

UNUSED

RESERVED

$03EF

$03F0

$03F7

$03F8

$03FF

INTERNAL TEST ROM

AND COP REGISTER

8 BYTES

USER VECTORS

8 BYTES

COP REGISTER(2)

RESERVED

TIMER VECTOR (HIGH)

TIMER VECTOR (LOW)

IRQ VECTOR (HIGH)

IRQ VECTOR (LOW)

SWI VECTOR (HIGH)

SWI VECTOR (LOW)

RESET VECTOR (HIGH BYTE)

RESET VECTOR (LOW BYTE)

1. MC68HC05K1 only

2. Writing a 0 to bit 0 of $03F0 clears the COP watchdog. Reading $03F0 returns ROM data.

Figure 2-1. Memory Map

$0000

$0001

$0002

$0003

$0004

$0005

$0006

$0007

$0008

$0009

$000A

$000B

$000C

$000D

$000E

$000F

$0000

$0011

$0012

$0013

$0014

$0015

$0016

$0017

$0018

$0019

$001A

$001B

$001C

$001D

$001E

$001F

$03F0

$03F1

$03F2

$03F3

$03F4

$03F5

$03F6

$03F7

$03F8

$03F9

$03FA

$03FB

$03FC

$03FD

$03FE

$03FF

MC68HC05K0 â¢ MC68HC05K1 â Rev. 2.0

Memory

For More Information On This Product,

Go to: www.freescale.com

Technical Data

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