HCS08 datasheet(9/198 Pages) NXP

9 / 198 page

MC9S08QD4 Series MCU Data Sheet, Rev. 6

Freescale Semiconductor

Contents

Section Number

Title

Page

Chapter 1

Device Overview

1.1

Introduction .....................................................................................................................................15

1.2

Devices in the MC9S08QD4 Series ................................................................................................15

1.2.1 MCU Block Diagram ........................................................................................................17

1.3

System Clock Distribution ..............................................................................................................18

Chapter 2

External Signal Description

2.1

Device Pin Assignment ...................................................................................................................19

2.2

Recommended System Connections ...............................................................................................19

2.2.1 Power ................................................................................................................................20

2.2.2 Oscillator ...........................................................................................................................21

2.2.3 Reset (Input Only) ............................................................................................................21

2.2.4 Background / Mode Select (BKGD/MS) ..........................................................................21

2.2.5 General-Purpose I/O and Peripheral Ports ........................................................................22

Chapter 3

Modes of Operation

3.1

Introduction .....................................................................................................................................25

3.2

Features ...........................................................................................................................................25

3.3

Run Mode ........................................................................................................................................25

3.4

Active Background Mode ...............................................................................................................25

3.5

Wait Mode .......................................................................................................................................26

3.6

Stop Modes ......................................................................................................................................26

3.6.1 Stop2 Mode .......................................................................................................................27

3.6.2 Stop3 Mode .......................................................................................................................28

3.6.3 Active BDM Enabled in Stop Mode .................................................................................28

3.6.4 LVD Enabled in Stop Mode ..............................................................................................29

3.6.5 On-Chip Peripheral Modules in Stop Modes ....................................................................29

Chapter 4

Memory Map and Register Definition

4.1

MC9S08QD4 Series Memory Maps ...............................................................................................31

4.2

Reset and Interrupt Vector Assignments .........................................................................................32

4.3

Register Addresses and Bit Assignments ........................................................................................33

4.4

RAM ................................................................................................................................................36

4.5

Flash ................................................................................................................................................37

4.5.1 Features .............................................................................................................................37

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