MC68HC705K1 Datasheet, PDF(27/140 Page) Freescale Semiconductor, Inc

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

MC68HC705K1 Datasheet, PDF (27/140 Pages) Freescale Semiconductor, Inc – HCMOS Microcontroller Unit

◁

Freescale Semiconductor, Inc.

Memory

Random-Access Memory (RAM)

$0000

I/O REGISTERS

32 BYTES

$001F

$0020

$00DF

$00E0

UNUSED

192 BYTES

USER STACK

RAM

32 BYTES 32 BYTES

$00FF

$0100

$01FF

$0200

UNUSED

256 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

USER EPROM

496 BYTES

$03EF

$03F0

$03F7

$03F8

$03FF

TEST ROM AND

COP REGISTER

(8 BYTES)

USER VECTORS (EPROM)

8 BYTES

COP REGISTER*

RESERVED

TIMER VECTOR (HIGH BYTE)

TIMER VECTOR (LOW BYTE)

EXTERNAL INTERRUPT VECTOR (HIGH BYTE)

EXTERNAL INTERRUPT VECTOR (LOW BYTE)

SOFTWARE INTERRUPT VECTOR (HIGH BYTE)

SOFTWARE INTERRUPT VECTOR (LOW BYTE)

RESET VECTOR (LOW BYTE)

$03F0

$03F1

$03F2

$03F3

$03F4

$03F5

$03F6

$03F7

$03F8

$03F9

$03FA

$03FB

$03FC

$03FD

$03FE

$03FF

*Writing to bit 0 of $03F0 clears the COP watchdog.

Reading $03F0 returns ROM data.

Figure 2-1. Memory Map

MC68HC705K1 â Rev. 2.0

Memory

For More Information On This Product,

Go to: www.freescale.com

Technical Data

▷