MC68HC05J3 Datasheet, PDF (7/92 Pages) Motorola, Inc – High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit

TABLE OF CONTENTS
Paragraph
Number
TITLE
Page
Number
1
INTRODUCTION
1.1 Features.................................................................................................................1-1
1.2 MC68HC05J3 mask options ..................................................................................1-2
2
MODES OF OPERATION AND
PIN DESCRIPTIONS
2.1 Modes of operation ................................................................................................2-1
2.1.1 Single chip mode .............................................................................................2-1
2.1.2 RAM bootloader mode .....................................................................................2-2
2.2 Pin descriptions .....................................................................................................2-3
2.2.1 VDD and VSS ..................................................................................................2-3
2.2.2
IRQ ..................................................................................................................2-4
2.2.3 OSC1, OSC2 ...................................................................................................2-4
2.2.3.1
Crystal ........................................................................................................2-4
2.2.3.2
Ceramic resonator......................................................................................2-4
2.2.3.3
RC network.................................................................................................2-4
2.2.3.4
External clock .............................................................................................2-6
2.2.4
RESET.............................................................................................................2-6
2.2.5 PA0–PA7 ..........................................................................................................2-6
2.2.6 PB0–PB5 .........................................................................................................2-6
2.3 Low power modes..................................................................................................2-7
2.3.1 STOP ...............................................................................................................2-7
2.3.2 WAIT ................................................................................................................2-7
3
MEMORY AND REGISTERS
3.1 Registers ...............................................................................................................3-1
3.2 RAM.......................................................................................................................3-1
3.3 Non-volatile memory (NVM) ..................................................................................3-1
MC68HC05J3
TPG
MOTOROLA
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