MC68HC05E0 Datasheet, PDF (7/96 Pages) Motorola, Inc – High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit

TABLE OF CONTENTS
Paragraph
Number
TITLE
Page
Number
1
INTRODUCTION
1.1 General ..................................................................................................................1-1
1.2 Features.................................................................................................................1-1
2
FUNCTIONAL PIN DESCRIPTION
2.1
2.2
2.2.1
2.2.2
2.2.3
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10
2.11
2.12
2.13
2.14
VDD and VSS ........................................................................................................2-1
OSC1/OSC2 ..........................................................................................................2-1
Crystal..............................................................................................................2-1
Ceramic Resonator ..........................................................................................2-1
External Clock..................................................................................................2-2
RESET...................................................................................................................2-2
Port A (PA0 - PA7) .................................................................................................2-2
Port B (PB0 - PB7).................................................................................................2-2
Port C (PC0 - PC7) ................................................................................................2-2
Port D (PD0 - PD7) ................................................................................................2-4
Port E (PE0 - PE3).................................................................................................2-4
CSROM .................................................................................................................2-4
INTX ......................................................................................................................2-5
TS ..........................................................................................................................2-5
TEST .....................................................................................................................2-5
Expanded Address Bus (A0 – A12) .......................................................................2-5
External Data Bus (D0 – D7) .................................................................................2-5
3
CPU CORE AND INSTRUCTION SET
3.1
3.1.1
3.1.2
3.1.3
Registers ...............................................................................................................3-1
Accumulator (A) ...............................................................................................3-1
Index register (X)..............................................................................................3-2
Program counter (PC) ......................................................................................3-2
MC68HC05E0
MOTOROLA
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