68HC705SB7 datasheet(7/170 Pages) FREESCALE

7 / 170 page

August 27, 1998

GENERAL RELEASE SPECIFICATION

MC68HC05SB7

MOTOROLA

REV 2.1

TABLE OF CONTENTS

Section

Page

SECTION 14

TEMPERATURE SENSOR

14.1

INTERNAL TEMPERATURE SENSOR ......................................................... 14-1

14.2

EXTERNAL TEMPERATURE SENSOR........................................................ 14-2

14.3

TEMPERATURE SENSOR OPERATION DURING WAIT MODE................. 14-2

14.4

TEMPERATURE SENSOR OPERATION DURING STOP MODE................ 14-2

SECTION 15

ANALOG SUBSYSTEM

15.1

ANALOG MULTIPLEX REGISTERS ............................................................. 15-3

15.2

ANALOG CONTROL REGISTER ................................................................ 15-14

15.3

ANALOG STATUS REGISTER.................................................................... 15-17

15.4

A/D CONVERSION METHODS ................................................................... 15-19

15.5

VOLTAGE MEASUREMENT METHODS .................................................... 15-27

15.5.1

Absolute Voltage Readings ..................................................................... 15-27

15.5.2

Ratiometric Voltage Readings ................................................................. 15-28

15.6

VOLTAGE COMPARATOR FEATURES ..................................................... 15-29

15.7

CURRENT SOURCE FEATURES ............................................................... 15-30

15.8

SAMPLE AND HOLD ................................................................................... 15-30

15.9

PORT B INTERACTION WITH ANALOG INPUTS ...................................... 15-30

15.9.1

Port B Pins As Inputs............................................................................... 15-31

15.10 NOISE SENSITIVITY ............................................................................................................ 15-31

SECTION 16

PERSONALITY EPROM

16.1

PEPROM REGISTERS.................................................................................. 16-2

16.1.1

PEPROM Bit Select Register (PEBSR) ..................................................... 16-2

16.1.2

PEPROM Status and Control Register (PESCR) ...................................... 16-2

16.2

PEPROM PROGRAMMING........................................................................... 16-3

16.3

PEPROM READING ...................................................................................... 16-4

16.4

PEPROM ERASING ...................................................................................... 16-4

16.5

PEPROM PREPROGRAMMED OPTIONS ................................................... 16-5

16.5.1

Data Format in Preprogrammed PEPROM ............................................... 16-5

SECTION 17

INSTRUCTION SET

17.1

ADDRESSING MODES ................................................................................. 17-1

17.1.1

Inherent...................................................................................................... 17-1

17.1.2

Immediate .................................................................................................. 17-1

17.1.3

Direct ......................................................................................................... 17-2

17.1.4

Extended.................................................................................................... 17-2

17.1.5

Indexed, No Offset..................................................................................... 17-2

17.1.6

Indexed, 8-Bit Offset .................................................................................. 17-2

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