HC805K3GRSSLASHD datasheet(28/119 Pages) NXP

Part #	HC805K3GRS/D

Description	The low-cost MC68HC805K3 microcontroller is a member of the M68HC805 Family of microprocessors.

PDF	119 Pages

Scroll/Zoom	100%

Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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28 / 119 page

General Release Speciﬁcation

Introduction

MC68HC805K3 — Rev. 1.0

Memory Map

2.2 Introduction

The MC68HC805K3 has several input/output (I/O) features, 64 bytes of

user read-only memory (RAM), 128 bits of personality user electronically

erasable programmable read-only memory (PEEPROM), and 928 bytes

of user EEPROM, which are all active in the single-chip mode as shown

in Figure 2-1.

Figure 2-1. MC68HC805K3 Single-Chip Mode Memory Map

USER VECTORS

EEPROM 8 BYTES

USER EEPROM

160 BYTES

1023

1016

STACK

32 BYTES

USER RAM

64 BYTES

RESET VECTOR (LOW BYTE)

RESET VECTOR (HIGH BYTE)

SWI VECTOR (LOW BYTE)

SWI VECTOR (HIGH BYTE)

IRQ VECTOR (LOW BYTE)

IRQ VECTOR (HIGH BYTE)

TIMER VECTOR (LOW BYTE)

TIMER VECTOR (HIGH BYTE)

$03F8

$03F9

$03FA

$03FB

$03FC

$03FD

$03FE

$03FF

* $0100 TO $03F7 INCLUDES COP RESET ADDRESS

$0100

$00FF

0255

0256

I/O

32 BYTES

SEE FIGURE 2-2

0032

0031

0000

$03FF

$03F8

$03F7

$00E0

$00DF

$0020

$001F

$0000

USER EEPROM

760 BYTES *

0224

0223

0192

0191

$00C0

$00BF

1008

$03F0

COP WATCHDOG TIMER

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

HC805K3GRS/D Datasheet(PDF) 28 Page - NXP Semiconductors

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