MC68HC05X16 View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

MC68HC05X16

High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit

Freescale Semiconductor 

Paragraph

Number

TITLE

Page

Number

2.3.12

2.3.12.1

2.3.12.2

2.3.12.3

2.3.12.4

2.3.13

2.3.14

2.3.15

2.3.16

2.3.17

2.3.18

2.3.19

2.3.20

2.3.21

2.3.22

2.3.23

2.3.24

2.3.25

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

MOTOROLA

ii

TABLE OF CONTENTS

MC68HC05X16

Rev. 1

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