HC05 datasheet(10/232 Pages) MOTOROLA

10 / 232 page

MOTOROLA

MC68HC05X16

Rev. 1

TABLE OF CONTENTS

Paragraph

Number

Page

Number

TITLE

2.3.12

OSC1, OSC2 ................................................................................................... 2-13

2.3.12.1

Crystal........................................................................................................ 2-13

2.3.12.2

Ceramic resonator ..................................................................................... 2-13

2.3.12.3

External clock............................................................................................. 2-13

2.3.12.4

Oscillator division ....................................................................................... 2-15

2.3.13

PLMA ............................................................................................................... 2-15

2.3.14

PLMB ............................................................................................................... 2-15

2.3.15

VPP1 ............................................................................................................... 2-16

2.3.16

VRH ................................................................................................................. 2-16

2.3.17

VRL.................................................................................................................. 2-16

2.3.18

PA0 – PA7/PB0 – PB7/PC0 – PC7 .................................................................. 2-16

2.3.19

NWOI ............................................................................................................... 2-16

2.3.20

PD0/AN0–PD7/AN7......................................................................................... 2-16

2.3.21

VDD1 ............................................................................................................... 2-17

2.3.22

VSS1 ............................................................................................................... 2-17

2.3.23

VDDH .............................................................................................................. 2-17

2.3.24

RX0/RX1.......................................................................................................... 2-17

2.3.25

TX0/TX1 .......................................................................................................... 2-17

MEMORY AND REGISTERS

3.1

Registers ............................................................................................................... 3-1

3.2

RAM ...................................................................................................................... 3-1

3.3

ROM ...................................................................................................................... 3-1

3.4

Bootstrap ROM...................................................................................................... 3-3

3.5

EEPROM............................................................................................................... 3-4

3.5.1

EEPROM control register ................................................................................ 3-4

3.5.2

EEPROM read operation ................................................................................. 3-6

3.5.3

EEPROM erase operation ............................................................................... 3-6

3.5.4

EEPROM programming operation ................................................................... 3-7

3.5.5

Options register (OPTR) .................................................................................. 3-7

3.6

EEPROM during STOP mode ............................................................................... 3-8

3.7

EEPROM during WAIT mode ................................................................................ 3-8

3.8

Miscellaneous register.......................................................................................... 3-11

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 .................................................................................................................... 4-4

4.5

Port registers ......................................................................................................... 4-4

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