MC68HC705 View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

Manufacturer

MC68HC705

High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit

Motorola => Freescale 

Paragraph

Number

TABLE OF CONTENTS

Page

Number

2.5.13

2.5.14

2.5.15

2.5.16

2.5.17

2.5.18

PLMB .........................................................................................................2–13

VPP1..........................................................................................................2–13

VRH ...........................................................................................................2–13

VRL ............................................................................................................ 2–13

PA0 – PA7/PB0 – PB7/PC0 – PC7 ............................................................2–13

PD0/AN0–PD7/AN7 ................................................................................... 2–13

3

MEMORY AND REGISTERS

3.1

3.2

3.3

3.4

3.5

3.5.1

3.5.2

3.5.3

3.5.4

3.5.5

3.6

3.7

3.8

Registers ...........................................................................................................3–1

RAM ..................................................................................................................3–1

ROM ..................................................................................................................3–1

Self-check ROM ................................................................................................3–2

EEPROM ...........................................................................................................3–3

EEPROM control register.............................................................................3–3

EEPROM read operation .............................................................................3–5

EEPROM erase operation ...........................................................................3–5

EEPROM programming operation ...............................................................3–6

Options register (OPTR) ..............................................................................3–6

EEPROM during STOP mode ...........................................................................3–7

EEPROM during WAIT mode ............................................................................3–7

Miscellaneous register......................................................................................3–9

4

INPUT/OUTPUT PORTS

4.1 Input/output programming .................................................................................4–1

4.2 Ports A and B ....................................................................................................4–2

4.3 Port C ................................................................................................................4–3

4.4 Port D ................................................................................................................4–3

4.5 Port registers .....................................................................................................4–4

4.5.1 Port data registers A and B (PORTA and PORTB) ......................................4–4

4.5.2 Port data register C (PORTC)......................................................................4–4

4.5.3 Port data register D (PORTD)......................................................................4–5

4.5.3.1

A/D status/control register......................................................................4–5

4.5.4 Data direction registers (DDRA, DDRB and DDRC)....................................4–5

4.6 Other port considerations ..................................................................................4–6

MOTOROLA

ii

TABLE OF CONTENTS

TPG

MC68HC05B6

Rev. 4

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